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Price: from £36.74 *

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TASK® 21 is a performance urethane casting resin that has been described by many as having similar performance and mechanical characteristics to ABS plastic, with high compressive and flexural strength. TASK 21 has no odour and is easy to process. Mix ratio is 2A:1B by weight or volume. Pot life is 6 minutes and handling strength is reached in 60 minutes at room temperature (depending on mass and configuration).

TASK 21 features a low mixed viscosity of 500 cps and readily de-airs itself when cast into moulds. SO-Strong® or IGNITE® colourants can be added for colour and a variety of powder fillers can be added to alter performance or appearance characteristics. Applications for TASK 21 include rapid prototyping, casting strong and highly detailed models, making holding / assembly fixtures, figurines and decorative castings.

IMPORTANT: TASK 21 can not be cast into platinum (addition cure) silicone moulds. We recommend casting TASK 21 into tin (condensation cure) silicone or urethane rubber moulds (using a release agent).

How does it work? Watch 1-Minute video


Product Name Pot LifeDemould Time Net Weight
TASK 21 (Gallon Unit)6 minutes60 minutes10.89 Kg
TASK 21 (Trial Unit)6 minutes60 minutes1.36 Kg