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Smooth-Cast® ONYX™ FAST – 920g


Smooth-Cast® ONYX™ FAST – 920g


Smooth-Cast® ONYX™ is a mercury-free urethane resin that cures at room temperature to a deep black, solid plastic. ONYX™ resins offer the convenience of a 1A:1B by volume mix ratio and have very low viscosities, so they are easy to mix and pour. ONYX™ resins have an ultimate Shore hardness of 80D and offer higher physical properties and higher heat resistance vs. other general purpose resins.ONYX™ FAST resin has a pot life of 2.5 minutes and a cure time of 10-15 minutes. ONYX™ FAST is a good choice for creating fast cold cast bronze, brass, copper, nickel/silver, etc. effects.

Smooth-Cast® ONYX™ FAST - (Part A) 500g


10 in stock

Smooth-Cast® ONYX™ FAST - (Part B) 420g


12 in stock

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  • Ultra-black and darker than competitive black resins.
  • Can be polished and buffed to a high gloss shine.
  • Higher heat resistance vs. competitive black resins.
  • Does not contain mercury.
  • Less expensive vs. other black resins.

Smooth-Cast® ONYX™ FAST Product Information | Smooth-On, Inc.




Additional information

Dimensions1 × 1 × 1 cm