Cimbar offers both treated and un-treated grades of our Clear-Bloc talcs.  Clear-Bloc talcs are the talcs of choice for use as anti-block additives in LDPE and LLDPE film applications.  The performance benefits Clear-Bloc talcs offer include greater polymer stability, improved optical properties and superior blocking characteristics.  The Clear-Bloc, anti-block grades offer some of the highest brightness, best clarity, lowest iron content and lowest surface area products on the market.