Urethane Casting Compound

TASK™ 4 is a unique polyurethane casting resin that is very strong when cast in Ultra-Thin sections ranging from 0.03” to 0.50”(0.075cm to 1.27cm). TASK™ 4 has a very low mixed viscosity, ensuring flawless pick-up of even the finest detail. Cured plastic exhibits very low shrinkage which is why this plastic has become a favorite of prototype and design professionals throughout the world. Pot life is 20 minutes and cure time is 16 hours at 73°F/23°C.

TASK™ 4 - Urethane Casting Compound
How Does It Work?
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Quick Tech Data

  • 100A:100B

    Mix Ratio By Weight

  • 20 minutes

    Pot Life

  • 16 hours

    Cure Time

  • 83 D

    Shore Hardness

  • Ivory


Vibrant colors and colour effects are possible by adding SO-Strong™, UVO™, or Ignite™ colour tints. Fully cured models made from TASK™ 4 are tough, durable, machinable and paintable. They resist moisture and mild solvents. Applications for TASK™ 4 include making prototype and architectural models, model toys, durable miniatures, ultra-thin mechanical parts and special effect props.

TASK™ 4 - Urethane Casting Compound


Mold Making Tutorial: How to Make a Silicone Squish Mold for Casting a Plastic Model Car Body
In stock

Available Sizes

TASK 4 - Trial Size

Net Wt: 0.91 kg

*Vat Included

*Product Packaging May Vary

TASK 4 - 1 Gallon Unit

Net Wt: 7.26 kg

*Vat Included

*Product Packaging May Vary