Engichem Specialities Pvt. Ltd. Supplies Borosilicate Based Pigment. Engichem Specialities Pvt. Ltd. Offers chemical raw material, intermediates and special chemicals. Borosilicate Based Pigments bring products to life with brilliant color and glittering effects. Borosilicate Based Pigment are the advanced pigments, which create an exceptionally high visual impact, are specially formulated to out-perform traditional pearlescent pigments in chroma, color purity, brightness, transparency and reflectivity. Hardeners based on aromatic polyisocyanates [TDI] are used when the light fastness and elasticity demands are not so high. The brand name of this pigment is Firemist®.