SPHERIGLASS 2530 CP-0302

SPHERIGLASS 2530 CP-0302 is a Soda Lime Glass (Type A) presented as a white powder with spherical, non-porous particles. It has a mean particle size of 56–70 µm, with 90% of microspheres between 2.8 and 100 µm. Key properties include a refractive index of 1.51, specific gravity of 2.5 g/cm³, bulk density of 1.51 g/cm³, and oil absorption of 18 g/100 g. The material has a Mohs hardness of 6–6.5, a softening point of 730°C, and an annealing point of 548°C. It also incorporates a silane-type coupling agent.