Smooth-Cast® ONYX™ Slow, Trial Size, 2.2lb 28640 Create grooves

Create grooves

model train soldering

Recommended for wood cutting only

Capture more intricate detail

Stylish Air Compressor is Lightweight

Smooth-Cast® ONYX™ Slow, Trial Size, 2.2lb 28640 Create groovesSmooth On Smooth Cast ONYX is a mercury free urethane resin that cures quickly at room temperature to a deep black, solid plastic. 1A : 1B mix ratio 80D shore hardness High heat resistance Low viscosity. Easy to mix and pour ONYX offers the convenience of a 1A: 1B by volume mix ratio and has a very low viscosity, so it is easy to mix and pour. ONYX has an ultimate shore hardness of 80D and offers higher physical properties and higher heat resistance