WARNING: This product can expose you to chemicals including volatile organic compounds (or VOCs), which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
It has the characteristic of being fine grained and it is not prone to clogging up detail in the mold. Most suitable not only for making a base before painting but also for surface finishing of an original mold before casting.
Used with permission, copyright 2017 Brey Corp. t/a Hobby Works