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Mold Making Urethane Rubber Polytek 75 80

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Polytek Polyurethane Mold Rubber: 75-Series: 75-80
  • Create your own custom molds using a professional, high-quality molding rubber.
  • The 75-80 Mold Rubber is a 80 shore polyurethane, with a very firm flexibility.
  • Poly 75-80 is a very tough, firm polyurethane mold rubber that has a long 45 minute pour time and a 16-24 hour demold time.
  • Used for making tough, durable molds for casting concrete primarily, for its high abrasion resistance and long mold life.
    • Poly 75-80 is a primarily used to make the longest lasting, most durable concrete form liners and stamping mats, where minimal flexibility is required.
  • Mix Ratio is 2A:1B for this product (Example: To make 3 lbs., you would mix 2 lbs. of A with 1 lb. of B).
    • Poly 75-80 is available in kits that net weights of: 6 lbs, 24 lbs, 120 lbs, and drums of 1,350 lbs.
    • Mold Rubber MUST be mixed by weight, using a scale such as
    • Can be pigmented using coloring dyes.
    • Download: Poly 75 Series Instruction Guide: .
    • Download: Poly 75 Series Safety Data Sheet: . .