Plasticine Clay: Multiple Uses in Mold Making - Polytek Development Corp.

Poly-Optic® 1411 Clear Casting Resin - The Compleat Sculptor

Fine Arts Polytek Development Corp.

Polytek Development Corp. Announces Acquisition of Specialty Resin & Chemical

PlatSil® SiliFoam

Plasticine Clay: Multiple Uses in Mold Making - Polytek Development Corp.

Arsenal's Polytek Adds-On

Tutorials - Polytek Development Corp.

Plasticine Clay: Multiple Uses in Mold Making - Polytek Development Corp.

Expressions LTD Polytek Platsil 73-15 Silicone Mold Rubber

Plasticine Clay: Multiple Uses in Mold Making - Polytek Development Corp.

PT Flex Series - The Compleat Sculptor

Mold Making: Mold Rubber Hardness, by Ali Ejaz

Poly 74-45 Liquid Rubber Polytek Development Corp.

Prototyping & Short-Run Production

Mold Making Tutorial: Silicone Mold of Clay Sculpture - Polytek Development Corp.