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  • ComposiCast Casting Resin, White Epoxy Resin to make beautiful plastic parts and castings.
  • ComposiCast Casting Resin, White Epoxy Resin to make beautiful plastic parts and castings.

ComposiCast White


Product Description

ComposiCast White Resin

This EPOXY CASTING RESIN is designed for smooth, beautiful plastic castings with ComposiMold and ImPRESSive Putty. With low mixed viscocity it picks up all the details. 

• 80D Shore Hardness

• 30-45 Min. Working Time, Cures hard in 10 hours.

• Mixes 1:1 by weight or volume (no scale required).

• What you see when you mix is what you get for a finished product color.  Without additional colorants, it cures to a bright white

• 800 centipoise viscosity when mixed at room temperature.

• Paintable, sandable, machinable.

• Specifically formulated for ComposiMold and ImPRESSive Putty molds. Also works great in silicone, latex and other molds. 


Spray or wipe the inside of your mold with a mold release suitable for epoxy resins, such as ComposiMold’s Mold Release.

1.  Mix the Composi-Cast White Part A with Part B in equal proportions by volume or weight. Be sure to scrape the sides of the mixing container to thoroughly combine all material. (You may add our Resin Colorants or textural materials at this time.)

2. Pour the Composi-Cast White mixture into your mold.

6. Let the Composi-Cast White cure in your mold for approx. 10 hours or overnight. Remove to admire your solid white plastic casting! Then repeat steps 3-6 for more castings!



ComposiMold’s ComposiCast can cause eye and skin irritation. If skin contact is made, wash with soap and water. If eye contact is made, flush with large amounts of clean water for 5 minutes. If irritation persists, consult physician. Avoid prolonged inhalation exposure and remove to fresh air if effects occur, consult physician. Do not drink these products. If ingestion occurs, do not induce vomiting. Give large quantities of water with one oz. vinegar in one oz. water and consult physician. 


Click here to download ComposiCast part A SDS Sheet

Click here to download ComposiCast part B SDS Sheet 


Resin Casting with ComposiMold Flex and ComposiCast Resin 00:36

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Product Reviews

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  1. I just love this product! 5 Star Review

    Posted by on 8th Mar 2017

    This is exactly what I needed, smooth durable and so easy to use!

Why ComposiMold for Mold Making? Because it works