Poly 74-45 - All Kit Sizes – brickintheyard
By A Mystery Man Writer
Last updated 02 Jun 2024
Poly 74-45 Urethane Rubber is our choice for larger brush-on molds (must add PolyFiber 2- See Additives) and cast stone. Has a great stretch for a stiffer rubber, allowing for some undercuts. Poly 74-45 Urethane Rubber is a very tough, high tear, high elongation rubber. This product is ideal for high volume concrete and plaster casting. As with other 74 Series products, it can be poured as supplied or thickened with PolyFiber for creating brushed molds. Release sealed patterns with 2300 spray release. Plaster patterns may be sealed with Mold Soap and released with 2300. Poly 74-45 is a 1A:1B mix, A~45 hardness, polyurethane liquid rubber that cures in 16-24 hours and is designed for making high-performance rubber molds for casting materials such as plaster (mill work, home decor, etc.), wax (candles & lost wax varieties), concrete, GFRC, GRG and resins (polyurethane, polyester, epoxy - with proper release agents). Poly 74-45 molds can be poured as supplied or brushed-on by mixing in Poly Fiber II thickener or fumed silica. Poly 74-45 liquid rubber is an excellent multi-purpose, economical mold material that will provide long mold life, durability and consistent performance under repeated casting. Poly 74-45 is popular for casting decorative
Poly 74-45 is a 1A:1B mix, A~30 hardness, polyurethane liquid rubber that cures in 16-24 hours and is designed for making high-performance rubber
Poly 74-45 Polyurethane Rubber - All Sizes
Sonnax O-Ringed End Plug Kit - 105740-13K
Mold Making Urethane Liquid Rubber: 74-Series: 74-45, Poly 74-45 Liquid Rubber is a two-part, liquid polyurethane system that cures (RTV) to a yellow,
Mold Making Urethane Liquid Rubber Polytek 74-45
Collections – brickintheyard
Poly 74-30 Liquid Rubber Polytek Development, 53% OFF
Poly 74-45 Urethane Rubber is our choice for larger brush-on molds (must add PolyFiber 2- See Additives) and cast stone. Has a great stretch for a
Poly 74-45 - All Kit Sizes
Poly 75-80 is a 2A:1B mix, A~80 hardness, long working time, firm, polyurethane mold rubber that has a 45 minute pour time and a 16-24 hour demold
Poly 75-80 - All Kit Sizes
Poly 74-30 Liquid Rubber Polytek Development, 53% OFF
Poly 74-45 Liquid Rubber
Mold Making Urethane Liquid Rubber: 74-Series: 74-45, Poly 74-45 Liquid Rubber is a two-part, liquid polyurethane system that cures (RTV) to a yellow,
Mold Making Urethane Liquid Rubber Polytek 74-45
Poly 74-30 Liquid Rubber Polytek Development, 53% OFF
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