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"Started in 1984, Polytek® Development Corp. is a leading manufacturer of specialty polymers including: polyurethane elastomers and casting resins, silicones, epoxies, and latex. These systems are used primarily in mold making and casting applications in industrial, construction, entertainment, fine arts and technology sectors.

Polytek®'s collective mission is to design and manufacture the highest-performance line of liquid rubbers and related casting products and to provide our customers with unmatched, industry-setting technical support and customer service. In doing so, we are committed to helping our customers realize the greatest value from the use of our products and resources.
Founded in 1984, Polytek® Development Corp. is a leading manufacturer of specialty polymers for mold making and casting applications across industrial and consumer sectors. We are here to support the engineers, DIYers, manufacturers, craftsmen, designers, makers, artists, and fabricators that create products that restore and improve physical infrastructure, support exciting hobbies, transform manufacturing processes, entertain on the big screen, inspire others, and improve our lives."

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Poly 74-41 Polyurethane Rubbers consist of two parts (A and B), which, after mixing, cure at room temperature to flexible, high-strength, mold rubbers. Poly 74-41 Rubbers make durable, easy-releasing molds for casting plasters and waxes without release agents. When Poly 74-41 molds are properly prepared, they are also excellent for casting concrete and various resins, such as epoxy, polyester, polyurethane and acrylic.

Polytek Development Corp Poly 74-41

Poly 74-40 Polyurethane Rubbers consist of two parts (A and B), which, after mixing, cure at room temperature to flexible, high-strength, mold rubbers. Poly 74-40 Rubbers make durable, easy-releasing molds for casting plasters and waxes without release agents. When Poly 74-40 molds are properly prepared, they are also excellent for casting concrete and various resins, such as epoxy, polyester, polyurethane and acrylic.

Polytek Development Corp Poly 74-40

Poly 75-70 Liquid Rubbers consist of two parts (A and B), which, after mixing, cure at room temperature to flexible rubber. Molds made with Poly 75-70 products are excellent for casting concrete, plaster and wax. In addition, Poly 75-70 molds can be used to cast various resins and foams when properly prepared. Poly 75-70 Liquid Rubbers are formulated for good economy with high performance and durability.

Polytek Development Corp Poly 75-70

Poly 74-24 Polyurethane Rubbers consist of two parts (A and B), which, after mixing, cure at room temperature to flexible, high-strength, mold rubbers. Poly 74-24 Rubbers make durable, easy-releasing molds for casting plasters and waxes without release agents. When Poly 74-24 molds are properly prepared, they are also excellent for casting concrete and various resins, such as epoxy, polyester, polyurethane and acrylic.

Polytek Development Corp Poly 74-24

Poly 75-75 Liquid Rubbers consist of two parts (A and B), which, after mixing, cure at room temperature to flexible rubber. Molds made with Poly 75-75 products are excellent for casting concrete, plaster and wax. In addition, Poly 75-75 molds can be used to cast various resins and foams when properly prepared. Poly 75-75 Liquid Rubbers are formulated for good economy with high performance and durability.

Polytek Development Corp Poly 75-75

Poly 75-60 Liquid Rubbers consist of two parts (A and B), which, after mixing, cure at room temperature to flexible rubber. Molds made with Poly 75-60 products are excellent for casting concrete, plaster and wax. In addition, Poly 75-60 molds can be used to cast various resins and foams when properly prepared. Poly 75-60 Liquid Rubbers are formulated for good economy with high performance and durability.

Polytek Development Corp Poly 75-60

Poly 74-30 HT Polyurethane Rubbers consist of two parts (A and B), which, after mixing, cure at room temperature to flexible, high-strength, mold rubbers. Poly 74-30 HT Rubbers make durable, easy-releasing molds for casting plasters and waxes without release agents. When Poly 74-30 HT molds are properly prepared, they are also excellent for casting concrete and various resins, such as epoxy, polyester, polyurethane and acrylic.

Polytek Development Corp Poly 74-30 HT

PT Flex 85 are two-component, fast-setting polyurethane rubbers that cure at room temperature (RTV). Available in a variety of hardnesses, these products are excellent for prototyping and model making applications and for the casting of production parts, props, tools, and more.

Polytek Development Corp PT Flex 85

Poly 74-30 Polyurethane Rubbers consist of two parts (A and B), which, after mixing, cure at room temperature to flexible, high-strength, mold rubbers. Poly 74-30 Rubbers make durable, easy-releasing molds for casting plasters and waxes without release agents. When Poly 74-30 molds are properly prepared, they are also excellent for casting concrete and various resins, such as epoxy, polyester, polyurethane and acrylic.

Polytek Development Corp Poly 74-30

Polytek Development Corp

"Started in 1984, Polytek® Development Corp. is a leading manufacturer of specialty polymers including: polyurethane elastomers and casting resins, silicones, epoxies, and latex. These systems are use

Polytek - Polyurethane Elastomers - Casting Resins - Silicones

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Polytek Development Corp Poly 74-30 Clear Polyurethane Rubbers consist of two parts (A and B), which, after mixing, cure at room temperature to flexible, high-strength, mold rubbers. Poly 74-30 Clear Rubbers make durable, easy-releasing molds for casting plasters and waxes without release agents. When Poly 74-30 Clear molds are properly prepared, they are also excellent for casting concrete and various resins, such as epoxy, polyester, polyurethane and acrylic.

Polytek TB 74 Series

Polytek TB 74 Series - Polytek Development Corp

Polytek 74 75 A Safety Data Sheet

Polytek 74 75 A Safety Data Sheet - Polytek Development Corp

Polytek Development Corp Poly 74-30 Clear

Poly 74-30 Clear Polyurethane Rubbers consist of two parts (A and B), which, after mixing, cure at room temperature to flexible, high-strength, mold rubbers. Poly 74-30 Clear Rubbers make durable, eas

Polytek - Poly 74-30 Clear - PU Rubber - Mold Making - Durable

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Poly 74-30 Clear Polyurethane Rubbers consist of two parts (A and B), which, after mixing, cure at room temperature to flexible, high-strength, mold rubbers. Poly 74-30 Clear Rubbers make durable, easy-releasing molds for casting plasters and waxes without release agents. When Poly 74-30 Clear molds are properly prepared, they are also excellent for casting concrete and various resins, such as epoxy, polyester, polyurethane and acrylic.

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	Value	Units	Test Method / Conditions
Mix Ratio By Weight	1A:1B	-	-
Hardness	30	Shore A	-
Pour Time	25-30	minutes	-
Demold Time (at 73°F)	16	hours	-
Cured Color	Amber/Varies	-	-
Mixed Viscosity	2000	cP	-
Specific Volume	28	in3/lb	-
Specific Gravity	1.01	-	-
Elongation	506	%	-
Tensile Strength	281	psi	-
Die C Tear Strength	62	pli	-

Polytek Development Corp Poly 74-30 Clear

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