200 NOVAKUP Sand and Ground Silica Sand recommended for Paint and coatings, thermosets, thermoplastics, ceramics, foundry castings, adhesives, sealants, rubber.

325 Novakup® is a surface modified aka silane-treated ground silica. This performance filler has been preferred for over 35 years for its’ barrier prosperities in chemical and corrosion resistant applications. We would not hesitate to recommend 325 Novakup® for almost any application within polymer resins. Silane enhancements offer filler to resin cross-linking for improved mechanical and chemical properties within an application.