FREE delivery Sat, Oct 28 on $35 of items shipped by Amazon. Cross-cut on a table saw safely an accurately. The average price for HDPE is roughly $1. ;0) Finally had reason for three sleds and we made good use of them. Wed, Nov 16, 2005 7:02 PM. The cost of both HDPE and UHMW varies depending on the form you purchase it in. So I have a problem with the miter slot and gauge on my Kobalt router table. Some grades have an even lower value, meaning they. sled with whmw on the bottom and uhmw runners with steel runner add on if I plan to be on hardpack trail or road. when that dries, it will be a secure fit for screws, especially small wood screws. UHMW Film (UHMW FILM) UHMW-PE wear-resistant polyethylene film is available through the Professional Plastics website. 7-Handles. Izod. The 1/2" tongue piece was about $60 (if I remember right), from Cold Spot. It is still one heck of a sled. Do y’all use runners on snow in the winters? I don’t have any on my mini and it’s hard to go in the same direction for more than a few feet. Very sticky, more like sand paper on the snow, a bit of floor wax helps and yes they are incredibly tough but very heavy when compared to UHMW Poly. It is far superior to any other thermoplastic for wear resistance, and is by far one of densest. I got some plastic UHMW runners from WoodCraft and they are just a hair tight. DARK BLUE: The DARK BLUE FCP Runner Plastic is a UHMW T88-2 product that is best suited for training, low snow conditions and coastal snow that may be very abrasive. B08G4ZBCSR. 🇺🇸 Ideal for sleds where repetitive sliding happens regularly. Then secure 2 short-term pieces out leftover UHMW runner in to dado with all super glue. The UHMW runner bars and mini tracks are pre-cut for an 18” x 24” crosscut sled. Another popular inexpensive option is qamutik. EXTREMELY DURABLE – Ideal for constant repetitive use. Made from specially blended UHMW-PE, Gatorback™ airboat bottom sheets are famous for great impact and wear resistance. Save Share. I had a Hitachi C10RJ that had similar miter slots, I believe. posted 17 years ago. Specific Gravity. Set the fence to position the sled base left/right. Ahkio Sled. Well I finally made use of 3 of the 4 pieces of UHMW I purchased on the big UHMW steal of the century a few years ago. Mine is for sale 32" wide, 8 feet long and 16" high. Probably, by the time the runners are worn, the whole sled will be worn out anyway. UHMW can be extruded into a limitless variation of custom profiles to suit your needs. B08G4ZBCSR. ;0) Finally had reason for three sleds and we made good use of them. 31 density: uhmw=. Place the base back on the table saw against the fence and aligned with the front of the saw and the UHMW runners. Well I finally made use of 3 of the 4 pieces of UHMW I purchased on the big UHMW steal of the century a few years ago. I have been using the same pair of. 0. It will/should outlast less expensive alternative materials. I also gotta do this for my buddy David's 18 ft x 58 in. The runners are made from UHMW (ultra-high molecular weight) plastic. 25" wide UHMW runners - 1 - Standard high side kit 16" - 2- Lengths of red rope - 1- Length of orange cold weather floating rope - 10- Carabiners rated for 2600 LBS - 4- Fold down fuel partitions - 4-Rok straps - Double high front - 7- Handles Optional. Replace your steel skid runners with plastic UHMW runners, which will be less aggressive on your plowing. Stewart, You are right about the Novak ski brakes, They are great!The critical difference between UHMW and HDPE is that UHMW is characterized by long polymer chains with extremely high molecular weights. My sled also has a brake for going down a steep hill. Vespel is capable of withstanding extreme friction and heat environments. $3499. Posted By: FL cracker in AK Re: Sled build - 04/03/18 06:46 PM. lbs torque Copperhead. After a brief attempt at hardwood runners that ended poorly, I ended up putting a "Kreg KMS7303 30-Inch Jig and Fixture Bar" on my crosscut sled. UHMW polyethylene is the material you find in most factory-made jigs. Runners are beveled on one end and are 51 1/4" long. UHMW is available in sheet, rods, tubular bars, tape, wear strips, angles and profiles. I have used the Incra miter runners, but they are tricky to adjust. I replaced my steel runners with ones made from UHMW last year and love them!! Dave is right about the sticking part in certain conditions. Upper and lower limit switches to limit carry arm travel. Fig04: The UHMW runners laid in place in the saw miter gauge slots. The HDT ArctiX® Ahkio Sled is a trusted load carrier for dismounted arctic warfighter operations, oil and gas exploration, equipment extraction and snowmobiling in the Arctic and Antarctic. UHMW (ultra high molecular weight polyethylene) is an extremely tough plastic with high abrasion and wear resistance. The bottoms of the runners are covered by a 1/2” thick sheet of ultra-high-molecular-weight polyethylene (UHMW). Scuff sand the UHMW first to enhance adhesion. Tablesaw Sled Runner Replacement? lift mechanic Member. The bunks are 2x 4 on edge so I cut 3/4" off the upper edge. UHMW Polyethylene. My husband did it himself for much less. 2. 64. Another advantage is that UHMW won't expand or contract like wood does during drastic weather changes. Hatsbi UHMW Crosscut Sled For Table Saw Sled Miter Bars 3/4" X 3/8" X 36" -Predrilled holes and 20 screws included For Jigs Fixtures or Miter Slots (size. Tablesaw Sled Runner Replacement? lift mechanic Member. Gatorback™ Airboat Polymer Ultra High Molecular Weight Polyethylene (UHMW-PE) sheets are tough. Runners & running Boards; Plow blades & wings; UHMW Physical Properties. but I used UHMW to make sacrificial runners for my snowblower and they have already lasted longer than the steel runners that came on the snowblower. UHMW bars are most commonly used as runners for crosscut sleds since they don't produce as much friction as wood does. 99 FREE delivery Wed, Nov 22 on $35 of items shipped by Amazon More Buying Choices UHMW Precision Milled Bar 3/4" X 3/8" X 36" For Jigs, Fixtures or Miter Slots (size 3/4" x 3/8"). For direct mining operations, whether surface or underground, the use of UHMW-PE will increase productivity by preventing sticking and bridges by speeding movement and flow and by reducing noise and machinery. 2- length of Black Cold Weather Floating Rope. Nota: Madera y otros materiales de construcción no están incluidos con este kit. I have used "slick tape" adhesive backed UHMW on wood slides and it worked great. Rosta97. 2020-2022 Polaris General XP 4 1000 Ricochet 2-Piece Aluminum Rock Slider Skid Plates. It's easy to adjust for a snug fit, doesn't change with the seasons, and doesn't. I think I have some UHMW runner out in the shop--think I'll try bonding a couple pieces & report the results tomorrow. Natural, Black & COLORS! • Belly Pan & Brush Bow - UHMW Custom Cut Sizes - also rod, tube & angle. File the screw head thinner if you need to to prevent dragging the bottom of the miter slot. With that done, our can complete the jig by movable a T-bolt into the T-track, and slips on the stop block and secure to a star knob. More on that in another post. In remote aviation and bush flying, UHMW is beginning to replace steel and aluminum center skegs. Two UHMW runners provide improved tracking and run most of length of toboggan. . Chains running on wear plates of UHMW-PE do not require lubrication, the plate does not wear or squeak, and the chain does not wear out. No big secret on the basic build. You’ll want to drop in a few pennies or nickels to raise up the runners a bit above the surface. ;0) Finally had reason for three sleds and we made good use of them. 14. That said, I like the space of the 2 man. - Axis39 DARK BLUE: The DARK BLUE FCP Runner Plastic is a UHMW T88-2 product that is best suited for training, low snow conditions and coastal snow that may be very abrasive. 10. 11-18-2010, 11:21 AM. oversized holes: Fasten the runners from the bottom into the sled using pan head screws. Jump to Latest Follow1/4 inch is definately enough to countersink screws. Wasn't sure if this post belonged in the Tundra or Skandic forum. I will be building a larger cabinet and needed a sled that could cross-cut 24" panels. i originally used thin strips of UHMW plastic as runners to reduce friction and allow the drawer to slide out easily. John White Shop Manager, FWW Magazine 1998-2006. UHMW Plastic sled runners. Its been a few years since i saw Jr’s sled. 5)Miter runners are an aluminum bar/hardboard sandwich. So for me, the ideal size was approximately the dimensions of my tablesaw top. The results: Even with demanding angles and high operating speeds, the new TIVAR ® DrySlide UHMW-PE chain guides. My thought is to remove one runner at a time, using two sided tape to position the new runner onto the bottom of the sled. 45 g/cc. I bought some precision ground 3/4" stock and worked it until it fit the grooves. ” Doudna’s sleds range from a 4-ft. this sled will hold all the necessities of a longer distance run or winter camping. I really like this white sled. UHMW: Cost. comes in roll stock as well 100' and 250' for 1/2x3'' UHMW prices. Well I finally made use of 3 of the 4 pieces of UHMW I purchased on the big UHMW steal of the century a few years ago. Team IceShanty Regular; Posts: 189; Re: Another UHMW runner question. I'm thinking of installing some UHMW runner strips on the bottom. Used 4 times. 2 /kg, and the cost for UHMW can be anything between $2– and –$6 /kg. Well I finally made use of 3 of the 4 pieces of UHMW I purchased on the big UHMW steal of the century a few years ago. Len, i believe it was a uhmw runner inside and on the bottom. 5 in. 45 g/cc. new UHMW sled I really like the solid tongue for these heavy loads, I hardly noticed the sleds behind me. It's polyethylene, not nylon. I'll be screwing together some portions of this TS extension router cabinet today but I'm stuck on what to do about drawer runners for the narrow drawer spaces on either side of the central router enclosure. 04 hdpe=. I originally had some maple for this, but I wanted to try using some new materials just to see if I could do it. UHMW (ultra high molecular weight) polyethylene is an impact-, chemical-, and moisture-resistant plastic that has excellent abrasion resistance and a low-friction surface. It's perfect - dimensionally stable, tough, self-lubricating, and easy to machine. wide runners UHMW straight up the bow White Ash everything Seats removable or slid according to the load. Replace your steel skid runners with plastic UHMW runners, which will be less aggressive on your plowing surface. I attached one of the UHMW runners. . 6 kgs/19 Lbs. UHMW's molecular weight ranges from 3. Use a slight counter bore with a forstner bit to put them under the surface. 1-Standard high side kit 16" high. Persephone could not return to Earth because she had ate of the food of the Underworld: so below she is Queen, and above she is the goddess of Spring. Tablesaw Sled Runner Replacement? lift mechanic Member. With wax, the need for different kinds of wax come with changing weather and snow conditions. They work great in all conditions. Check for. - Natural or Black • Belly Pan & Brush Bow - UHMW Custom Cut • Snowmobile Plastics - UHMW, windshield plastic, cowling repair, weldingMore sustainable than standard UHMW, these sheets and bars are made from partially recycled material, so they have a lower carbon footprint. Ditto on two runners. com UHMW bars are most commonly used as runners for crosscut sleds since they don’t produce as much friction as wood does. I also use tye UHMW because it is temperature stable and can be machined easily. Then, I machine it with my regular woodworking tools, table saw, bandsaw, handplanes, etc and make runners and sanding blocks and sanding slips (cones and funny shapes to wrap sand paper around). UHMW plastic is ideal for reducing wear and friction due to its specialized internal lubrication, reducing maintenance costs and energy consumption while extending equipment life. I'm getting ready to build some jigs and sleds for my table saw. Runners also protect toboggan bed on road crossings. You’ll want to drop in a few pennies or nickels to raise up the runners a bit above the surface. The runners should now be. A versatile and precise miter sled. Another advantage is that UHMW. 99 and 100 nuts for 4. If you do to batch output several hexagons and make them consistent, she need a jig. Product must be shipped at customers’ expense along with proof that their product was purchased from Northern Sled Works or an Authorized Dealer. 99 $ 33. 5. Greg G. I am planning on putting a couple of 1” wide uhmw runners the length of the hull, to see if that works. -400 out of pocket. How to Make a Hexagon Cutting Jig. High-Strength Slippery UHMWPolyethylene Sheets and Bars. Drill a hole down through the UHMW into the PWD board. Drive screw to hold the runners in place. It includes two UHMW runners that fit my saw’s T-tracks perfectly, two 12” T-tracks, a T-bolt and knob, and some screws. Put a thick epoxy on the runners and press the base down. One thing that I have a love/hate relationship with is the sliding mitre table so as part of building a cabinet for the saw and extending the rails, I'm making some. Another advantage is that UHMW won't expand or contract like wood does during drastic weather changes. The reason I do that is that UHMW runners have some give to them. • UHMW Runners - Graphite and QCR runners also - Standard runners lengths to 14 ft. Certainly not enough to warrant additional. You only need to go ~1/32nd deep. When the cold metal runners hit the overflow, they immediately glommed up with ice to the point where I. Plywood base: 34″ Wide x 30 ” Deep (1/2″ Baltic Birch Ply) Fences: 4 1/4″ Wide x 30″ Long. We sel. Well I finally made use of 3 of the 4 pieces of UHMW I purchased on the big UHMW steal of the century a few years ago. More on that in another post. Air operated. 12-0. Urethane epoxy stays slightly flexible when cured whereas most epoxy I have experimented with cures very brittle. Roughen both edges that will be bonded - the side of the plastic and the side of whatever you are going to adhere to it using 4-0 sandpaper. You can get a "straight" quality glue edge rip (on your table saw). "Veggie burgers aren't bad if you put enough meat on them". After that, apply a few dabs of super glue and position the plywood base on top. . UHMW is 10 times heavier than regular high density polyethylene making it extremely durable for constant repetitive use. UHMW is white in color and easy to machine. Bonding UHMW. Price varies, order online and save. You also might want to check out pre-made runners. 6 KB · Views: 0. If you are serious about sledding and getting the most value for your money, attachable UHMW Runners are the best option. Learn more. August 17, 2023 Comments Off. A. CA (crazy glue) or maybe gorilla glue. Gotta design from experience, right? I still gotta outfit it with UHMW runners, gunwales, seats, hardware. More on that in another post. 7- Attach 2 C-clamps on each bottom end Take 2 board, bats, sticks whatever, and lay them across the top side edges about 2' from the ends. It's polyethylene, not nylon. 5 in. Alternative Materials to HDPE and UHMW 2,399. I am quite sure you can find them in Argentina, or have them shipped in. ). I put some uhmw runners on my sled last season after 2 or 3 seasons without. I just used homemade, cut strips from a sheet rescued out of the scrap bin. What distinguishes my boats from the rest: Real structural fiberglass and epoxy (not matt fiberglass and polyester resin) No keels 5 UHMW 2. The 3/4" thick piece doesn't. I got the UHMW from rogue on special order and made my own protective J cups to retrofit the standard ones. These are excellent freight sleds without the UHMW price. Runners also protect toboggan bed on road crossings. They make great sleds but are very pricey. I landed on a small lake with OAT of about -10 F. UHMW plastic is ideal for reducing wear and friction due to its specialized internal lubrication, reducing maintenance costs and energy consumption while extending equipment life. 75 slot where you want one of the rails. With a eyebolt/ring setup bolting both together. Drive screw to hold the runners in place. attached to the sled enough for you to remove the sled and permanently. Apr 17, 2019 #17 F. Runners also protect toboggan bed on road crossings. Buying UHMW from superslide. 66. $33. I have been reviewing forums and videos on various jigs and makers designs. For the runners in the track, I’m using UHMW runners but you can use hardwood for this as well. For direct mining operations, whether surface or underground, the use of UHMW-PE will increase productivity by preventing sticking and bridges by speeding movement and flow and by reducing noise and. Slick Durable Material Slides with Ease. No big secret on the basic build. These runners are machined to fit the miter slot perfectly so I don’t have to fuss with it. B08G4ZBCSR. UHMW absorbs any bumps or brushes, allowing you to ride safety; CONS of UHMW. Loop the 1″ webbing through both cord loops and clip the buckle closed, tightening to secure. UHMW is the best material to use but also the most initial investment. I’m using a runner made from UHMW, which is a type of plastic. I have drilled/tapped "many" 1/4-20 holes in 3/4" UHMW -and- in 3/8" UHMW sled runners. I got the grey UV virgin uhmw at Alaska Rubber, and it was about $40/foot, and it is a 7' piece. Products. Tablesaw Sled Runner Replacement? lift mechanic Member. This is O. Next, make a pair von runners to fit this miter slots on yours table saw, or use these UHMW (plastic) runners that I love to use for all my table saws sleds. UHMW-PE WHEELS ( UHMW ) These are manufactured from virgin Ultra High Molecular Weight Poly Ethylene (UHME-PE) powder, white in colour. 15 -0. In. For moderate use a bar cut from Baltic birch plywood is easy to make from scrap and is very stable and wears well. My thought is to remove one runner at a time, using two sided tape to position the new runner onto the bottom of the sled. I will be building a larger cabinet and needed a sled that could cross-cut 24" panels. Hold the side of the iron against the. Mark for screw locations 2” in from each side and 2” from front and back of the top rectangle. I'm looking for suggestions/advice regarding a jackpot I have got myself into. 28. The Ultimate Bunk Board is ideal for any boat trailer, PWC or boat lift! Our bunk boards are made from High. I like UHMW for low cost, or for higher cost, but will probably last a lifetime, incra runners. Another advantage is that UHMW won't expand or contract like wood does during drastic weather changes. The T882 product features an additive of microscopic glass beads which make this plastic 4 times more abrasive resistant than other UHMW plastics. UHMW Poly is the only thing I use for runners on jigs. UHMW is available in sheet, rods, tubular bars, tape, wear strips,. ago. Journals Projects Workshops Reviews 21 - 24 of 24 Posts. Bud. For Sale. . UHMW plastic is kinda floppy, and it cold-flows. The screws and inserts can be found at McMaster for a couple bucks. Slide one half of a 1″ plastic buckle on either end. but after a couple years of raking the gravel with this boat I found that in extreme rare running did I hit the outer edge. Attention! Your ePaper is waiting for publication! By publishing your document, the content will be optimally indexed by Google via AI and sorted into the right category for over 500 million ePaper readers on YUMPU. For power tool discussion, reviews, buying decisions, gloats and problems. (Even between the mounting screws. 20 - carabiners rated for 2600 LBS. I've 'borrowed' a few and have used this amazing stuff to bond stainless steel to glass, among other things. I have wood, aluminum and UHMW runners on various sleds. Hold everything in place with a couple of clamps as in Fig02. UHMW which stands for Ultra-high Molecular Weight Polyethylene. Cutting mortise and tenon joints on table saw, to get a good fit. They are just a hair too wide to slide in my miter slots. I'll be using this to cart equipment into the woods and to haul maple sap out through March. Posts: 857 Threads: 0 Joined: Apr 2006 Location: Trout Creek, Montana. The solution: TIVAR ® DrySlide UHMW-PE was chosen as a replacement material for the underperforming HDPE chain guides due to its internal lubrication, very low coefficient of friction, and excellent resistance to wear and abrasion. For all other work I just use the measuring tape built into the fence rail. Due to the strength of the epoxy and fiberglass, I don't have to glass in keels, or seats, so. Increased molecular weight. High durability, low friction and wear resistance are key reasons why UHMW is the material of choice for many applications. I have a ryobi bt3000 which has been a very good saw and while I'd love to be able to upgrade, I can't afford to right now. The runners ride in the slots on the top of your table saw to guide your box. I have been reviewing forums and videos on various jigs and makers designs. No big secret on the basic build. La pista y las barras UHMW son el hardware perfecto para ayudarte a crear y construir el trineo de corte cruzado. The UHMW runners are attached to the fence (and to small stabilizer blocks of oak on the back of the fence). I use UHMW and steel runners. My ts fence is all aluminum with slots for 1/4x20 nuts on top and on each side. Forum; Woodworking Topics; General Woodworking and Power Tools; Panel sled -maximum size? If this is your first visit, be sure to check out the FAQFAQGrainger in Anchorage can get you scads of different types, thickness, sizes and colors of UHMW. Typical Tivar UHMW parts and include: UHMW Guide Rails, UHMW Chain Guides, UHMW Wear Strips, UHMW Pulleys, UHMW Chain Tensioners & other custom profiles. Call Shorty at Shorty’s Shop for pricing. Thought I would put a little of the mods I made. UHMW rod comes in diameters that range from 1/2 to 12 inch, 10-feet long. Shop Manager, FWW Magazine 1998-2006. I'm a HUGE fan of UHMW for runners of all sorts. A good source for UHMW plastic is probably sitting on your kitchen counter. Jig bases made from it slide easily on machine tables. . I need a sled for one reason only…. After a brief attempt at hardwood runners that ended poorly, I ended up putting a "Kreg KMS7303 30-Inch Jig and Fixture Bar" on my crosscut sled. 002 oversized taps from McM-C and by running the taps again and again thru the threads finally got the nuts to be able to be used as intended without too. More on that in another post. Insert the runners and shim with business cards or paper so that they are snug and apply carpet tape in between the screw holes. Although I used UHMW runners instead of wood. I like the width and the higher sides. My personal model is a 23hp/34 ft. I would look hard at the newer oversize one man shacks though, they look really nice. Black UHMW is most often re processed and not UV protected. FREE delivery Thu, Nov 9 on $35 of items shipped by Amazon. Then. Runners also protect toboggan bed on road crossings. I have built a couple large sleds, the largest is 50" between the front and back fences so I can cut plywood square. I have been using the same pair of runners on my box for over twenty years. The HDT ArctiX® Ahkio Sled is a trusted load carrier for dismounted arctic warfighter operations, oil and gas exploration, equipment extraction and snowmobiling in the Arctic and Antarctic. To begin, reduce one square piece are 3/4 premium plywood to use as the base. I did make a freight sled for hauling beams and plywood. - Free Custom Name Plate ($199 Value) - 2 Free Runners ($299 Value) Choose the Spring Sale Package that Best Suits Your Needs. I'm looking for a 75" Otter sled to match the one I've got, but (while I may end up buying new) I want to NOT use the soft, less-durable polyethylene runner kit from Otter, if at all possible. Runners & running Boards; Plow blades & wings; UHMW Physical Properties. 0. Put good UHMW runners on (DO NOT BUY THE CLAM RUNNERS) and they both pull alright by hand. These wheels are light in. The UV resistant, Ultra High Molecule Weight (UHMW) Polyethylene construction is flexible and durable in the most extreme Arctic environments. All sizes of UHMW & HDPE plastics. Canted runners, lashed napooks (cross members). I have tried many methods of fixing the runners. I also taper the ends of the runners. I then route slots in the bottom of the deck to put the top of the runners into. UHMW polyethylene is the material you find in most factory-made jigs. Each bar is approximately 3/4" x 3/8" which fits most standard table saw slots. Adhesive Dispensing Guns. UHMW bars are also slick and won't leave. Heads obviously recessed but i dont remeber the specs on it. Well as promised here is my update of uhmw plastic runners. UHMW (Ultra High Molecular Weight) plastic runners are a great solution for your cross-cut box. Comes with screw on UHMW plastic runners and a wood step brake. It’s a uniform material that mills easily on woodworking equipment and gives the drawer sides a slick surface to ride on. Belly Pan – UHMW or HDPE – Cut to your size. I put small counterbored holes in my sled. Good luck!. The Arrowhead Ultra comes standard with two SkiPulk pole brackets, or a no pole option. CA (crazy glue) or maybe gorilla glue. Windkull • 5 yr. I blue them to reduce the rusting. You’ll wanted to drop in adenine few pennies oder nickels to raise up the runners a bit above the emerge. put double-sided carpet tape on the runners. Available for all sleds. It has hickory runners and a metal hitch. Adhesive joints designed with these products have been successfully thermal cycled -50°F to+150°F, and even cryogenic temperatures (liquid nitrogen) and as high as 300°F. 1348 posts · Joined 2015. Exact values tend to vary between manufacturer and grade, but UHMW is generally lower, with an average value of around 0. Cost of smaller sled. No big secret on the basic build. This is what works the best for me: use a dado stack to route an exactly . UHMW's molecular weight ranges from 3. Much easier to push the boat off and winch it up. Too many have broken off, resulting in an extra effort to remove them and salvage the project. $132. 4mm. More on that in another post. Weight: 8. Included In Package - Black UV stable virgin UHMWPE body - 1-4 Ft TRUE FLEX HITCH - 3 - 1" thick x 1. UHMW bars are most commonly used as runners for crosscut sleds since they don't produce as much friction as wood does. All the hitch hardware, bolts, nuts, washers, etc. Does this stuff wear very well when sliding on wood, concrete? Am thinking about making a jig for a track saw using some strips, and also using some to facilitate my DC barrel sliding on the floor when emptying. B08G4ZBCSR. Preferably black UHMW. Its been a few years since i saw Jr’s sled. ;0) Finally had reason for three sleds and we made good use of them. As a child, my Mother told me that happiness was the key to life. Price varies, compare and save. If you really want to use plastic, you might try stiffer plastics like phenolic. . longUHMW (Ultra High Molecular Weight Polyethylene) provided by Interstate Plastics is a common machinable plastic known for durability, versatility and cost-effectiveness as well as abrasion, impact and chemical resistances. Exact values tend to vary between manufacturer and grade, but UHMW is generally lower, with an average value of around 0. case_rums • 8 yr. This is about my 5th sled of various designs.