Frequently Asked Questions

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I just received a unit of UR 40 urethane rubber. After mixing and pouring, I noticed that it is darker in color than a previous unit of the same material. Will this color difference affect the performance of the rubber in my finished product?
The color of the raw materials used to make these liquid rubbers and may vary somewhat from batch to batch. This is due to slight instability of certain raw ingredients.

Color has no bearing on how liquid rubbers perform; you should use the material with confidence.

If adding pigment, you may need to adjust amounts to compensate for raw material color variations.