Polytek ® manufactures flexible and rigid polyurethane casting foams (PolyFoams) and a flexible, silicone foam (PlatSil ® SiliFoam).. PolyFoam Series foams are two-part, self-skinning polyurethane systems that are used to cast lightweight rigid or flexible objects with densities in the range of 3 to 20 lb/ft³.

Polytek ® Development Corp. is a leading manufacturer of specialty polymers including: polyurethane elastomers and casting resins, silicones, epoxies, and latex. Search by Product Type Polytek ® supplies materials to companies in industrial, construction, entertainment, fine arts and technology sectors.

PolyFoam F-3 is a two-part, flexible polyurethane casting foam. This self-skinning foam has a free-rise density of 3 lb/ft³, but should be cast at a density of 5 to 8 lb/ft³ to achieve good surface PolyFoam F-3 Casting Foam | Polytek Development Corp.

PolyFoam F-5 is a two-part, flexible polyurethane casting foam. This self-skinning foam has a free-rise density of 5 lb/ft³, but should be cast at a density of 8 to 15 lb/ft³ to achieve good surface detail and mold fill.

Tests performed at Polytek have shown that over 100 rigid, pre-primed polyurethane foam castings can be made from a polyurethane mold (mold product: Poly 74-55) with a PolyCoat coating. This polyurethane mold (on the left), coated in PolyCoat, rendered all of these rigid foam castings

What is polytek foam?

Polytek PolyFoam F-3 Flexible Casting Foam 3lb/ft3 (6lb Kit) $68.99. Polytek Poly 74-20 Liquid Polyurethane Rubber (6-lb Kit) $74.99. Polytek Poly 74-20 Liquid ...

Polytek ® Development Corp. is proud to be the parent company of brands that are dedicated to finding the right mold making and casting material solutions for their customers. Many of Polytek's brands have been formulating, manufacturing and delivering leading products for decades.

Casting Methods* Method Defined. Advantages. Disadvantages. End Uses. Recommended Polytek ® Product(s) for Method* Solid Pour. Material is poured into the mold, resulting in a solid casting. Fast. Strong. Heavy. Potential high cost. Small objects. Industrial tools. All Casting Materials (View Casting Plastics, Foams & Epoxies, View Casting ...

Polytek® Development Corp. Search. Thank you for visiting Polytek ... Casting, Storage, Shelf Life, Mold Life, Mold Maintenance and other Polytek product information.