Recommended for TCS Unbreakable. / / Polycril is an advanced formula for high-speed polishing of acrylics and thermoplastics. It produces a high shine quicker than other pumices. When polishing TCS Unbreakable, it is recommended that a B-27 brush is used first on high speed, making sure that the pumice is placed on the partial constantly, press firmly and keep the partial moving. Proceed with the Rag Buff in the same manner and continue to pumice the case. / / See finishing and polishing for complete instructions.  See Video.