Where is the reflective powder by a glass bead powder material production, is divided into three kinds of refractive index, namely: ND = 1.90, ND = 1.93, ND = 2.2 specifications from 100 mesh - 500 mesh can be grading, color is silver and white choice.
1 chemical composition, reflective powder: SiO2, CaO, Na2O, Tio2, Bao; 2, weight: 4.2 g / cm3; 3, appearance: White: smooth, round, transparent glass without impurities; gray: gray, smooth and free of impurities.
|
