High-performance urethane mold rubber with built-in release agent, providing Shore 30A hardness, flexibility, abrasion resistance, and an easy 1:1 mixing ratio.
Mix Ratio By Volume 1A:1B
Clear urethane rubber for mold-making, prototyping, and production casting, with excellent, long-lasting dimensional stability.
Two-component urethane rubber for flexible, durable molds.
High-performance urethane mold rubber, similar to PMC™-121 30/WET, but without the built-in release agent.
Mix Ratio By Volume 1A:1B
Durable, tough, flexible, and abrasion-resistant urethane rubber with built-in release agent.
A durable urethane rubber with excellent abrasion resistance for casting concrete and making parts.
With Shore A hardness of 90, our hardest and most rigid urethane rubber for superior strength, abrasion resistance, and dimensional stability.
Two-part urethane rubber with intrinsic release additive.
Two-component urethane rubber for flexible, durable molds and parts with superior tear and abrasion resistance. Shore A hardness 40.
This two-part, tough, flexible, and abrasion-resistant mold or casting urethane rubber is ideal for industrial molds.
| Product | Cure Time | Shore A Hardness | Specific Gravity | Specific Volume | Color | Tensile Strength | Shrinkage | Die C Tear Strength | Elongation At Break | Hundred Percent Modulus | Mixed Viscocity | Mix Ratio By Volume | Mix Ratio By Weight | Pot Life | Hundred Percent Modulus | Color | Mixed Viscocity | Cure Time | Pot Life | Specific Volume | Die C Tear Strength | Specific Gravity | Mix Ratio By Weight | Shrinkage | Mix Ratio By Volume | Tensile Strength | Elongation At Break | Shore A Hardness | Operating Temperature Range | Mix Ratio | Mixed Viscosity | 100% Modulus | Color - PMC™-746 | Color - PMC™-746 Clear Amber | Post Cure Temperature |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PMC™-121 30/WET | 16 h. | 30 | 1.04 g/cc | 26.7 cu. in./lb. | Clear Amber | 400 psi | < .001 in. / in. | 75 pli | 1,000 % | 82 psi | 1,800 cps | 1A:1B | 1A:1B | 30 min. | 82 psi | Clear Amber | 1,800 cps | 16 h. | 30 min. | 26.7 cu. in./lb. | 75 pli | 1.04 g/cc | 1A:1B | < .001 in. / in. | 1A:1B | 400 psi | 1,000 % | 30 | - | - | - | - | - | - | - |
| PMC™-746 Amber Clear | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 16 h. at 73°F/23°C | 15 min. at 73°F/23°C | 26.9 cu. in./lb. | 100 pli | 1.03 g/cc | - | < .001 in./in. | - | 700 psi | 650% | 60 | Above 65°F/18°C | 2A:1B by weight or volume | 1,200 cps | 220 psi | Ranges From Amber To Blue | Clear Amber | 150°F/65°C for 4 to 8 h. |
| PMC™-746 | 16 h. | 60 | 1.03 g/cc | 26.9 cu. in./lb. | Ranges From Amber To Blue | 700 psi | < .001 in. / in. | 100 pli | 650 % | 220 psi | 1,200 cps | 2A:1B | 2A:1B | 15 min. | 220 psi | Ranges From Amber To Blue | 1,200 cps | 16 h. | 15 min. | 26.9 cu. in./lb. | 100 pli | 1.03 g/cc | 2A:1B | < .001 in. / in. | 2A:1B | 700 psi | 650 % | 60 | - | - | - | - | - | - | - |
| PMC™-121 30/DRY | 16 h. | 30 | 1.04 g/cc | 26.7 cu. in./lb. | Clear Amber | 400 psi | < .001 in. / in. | 75 pli | 1,000 % | 82 psi | 1,800 cps | 1A:1B | 1A:1B | 30 min. | 82 psi | Clear Amber | 1,800 cps | 16 h. | 30 min. | 26.7 cu. in./lb. | 75 pli | 1.04 g/cc | 1A:1B | < .001 in. / in. | 1A:1B | 400 psi | 1,000 % | 30 | - | - | - | - | - | - | - |
| PMC™-780 WET | 48 h. | 80 | 1.02 g/cc | 27.2 cu. in./lb. | Light Amber | 900 psi | <.001 in. / in. | 200 pli | 750 % | 400 psi | 2,000 cps | 2A:1B | 2A:1B | 25 min. | 400 psi | Light Amber | 2,000 cps | 48 h. | 25 min. | 27.2 cu. in./lb. | 200 pli | 1.02 g/cc | 2A:1B | <.001 in. / in. | 2A:1B | 900 psi | 750 % | 80 | - | - | - | - | - | - | - |
| PMC™-780 DRY | 48 h. | 80 | 1.02 g/cc | 27.2 cu. in./lb. | Light Amber | 900 psi | <.001 in. / in. | 200 pli | 750 % | 400 psi | 2,000 cps | 2A:1B | 2A:1B | 25 min. | 400 psi | Light Amber | 2,000 cps | 48 h. | 25 min. | 27.2 cu. in./lb. | 200 pli | 1.02 g/cc | 2A:1B | <.001 in. / in. | 2A:1B | 900 psi | 750 % | 80 | - | - | - | - | - | - | - |
| PMC™-790 | 48 h. | 90 | 1.07 g/cc | 25.9 cu. in./lb. | Clear Amber | 2,000 psi | <.001 in. / in. | 300 pli | 550 % | 640 psi | 3,000 cps | 2A:1B | 2A:1B | 20 min. | 640 psi | Clear Amber | 3,000 cps | 48 h. | 20 min. | 25.9 cu. in./lb. | 300 pli | 1.07 g/cc | 2A:1B | <.001 in. / in. | 2A:1B | 2,000 psi | 550 % | 90 | - | - | - | - | - | - | - |
| PMC™-121 50/WET | 16 h. | 50 | 1.04 g/cc | 26.7 cu. in./lb. | Clear Amber | 350 psi | < .001 in. / in. | 85 pli | 500 % | 82 psi | 1,400 cps | 1A:1B | 1A:1B | 30 min. | 82 psi | Clear Amber | 1,400 cps | 16 h. | 30 min. | 26.7 cu. in./lb. | 85 pli | 1.04 g/cc | 1A:1B | < .001 in. / in. | 1A:1B | 350 psi | 500 % | 50 | - | - | - | - | - | - | - |
| PMC™-744 | 16 h. | 44 | 1.01 g/cc | 27.5 cu. in./lb. | Beige | 300 psi | < .001 in. / in. | 90 pli | 400 % | 90 psi | 3,400 cps | 2A:1B | 2A:1B | 15 min. | 90 psi | Beige | 3,400 cps | 16 h. | 15 min. | 27.5 cu. in./lb. | 90 pli | 1.01 g/cc | 2A:1B | < .001 in. / in. | 2A:1B | 300 psi | 400 % | 44 | - | - | - | - | - | - | - |
| PMC™-770 | 16 h. | 70 | 1.04 g/cc | 26.5 cu. in./lb. | Light Amber | 750 psi | <.001 in. / in. | 200 pli | 750 % | 250 psi | 3,000 cps | - | 2A:1B | 30 min. | 250 psi | Light Amber | 3,000 cps | 16 h. | 30 min. | 26.5 cu. in./lb. | 200 pli | 1.04 g/cc | 2A:1B | <.001 in. / in. | - | 750 psi | 750 % | 70 | - | - | - | - | - | - | - |
For over thirty years we have sought out the highest quality modelling, moulding and casting materials from around the world.
From silicones and resins to Jesmonite and special effects materials — a curated range for professionals, artists and makers.
Our sales team is widely known for their knowledge and dedication, supporting you in mould making, casting, sculpture and prototyping.
We ship from our warehouses in Amsterdam, Barcelona and Madrid to customers throughout Europe, from Greece up to Norway.
Founded in Amsterdam, FormX grew from a local art foundry into a major European supplier — with our roots firmly in the city.
FormX is specialized in the supply of the highest quality 3D modelling and reproduction materials available and has warehouses and showrooms in Amsterdam, Barcelona and Madrid.
