Smooth-On Crystal Clear 202, Trial set – Douglas and Sturgess

These are a water clear tough resins that will not yellow like some of the polyester types. The down side is that they are extremely moisture sensitive and even using a wooden stick for stirring can introduce enough moisture to cause problems. Mix ratio is one to one by volume.Crystal Clear 202 has a 9 minute pot life

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Crystal Clear™ 202 – 1.9kg - AMT Composites