9310 Magnesium silicate hydrate and calcium carbonate Polar Minerals Extenders / Fillers >> Talc or Magnesium Silicate ADHESIVE 9300 SERIES - (9310, 9305) 9310 is a high brightness talc, 92-94, with physical properties a notch below the 9100 and 9600 series products. Color consistency is excellent. Blend of magnesium silicate hydrate and calcium carbonate Mineral additive 9310 Plastics, Paint, Adhesives Blend of magnesium silicate hydrate and calcium carbonate. Used as an extender in adhesives. Offers high brightness and very good color consistency.