Min. Order Reference FOB Price
1 kg US$5.00 / kg
Product Description
Hollow glass microspheres, made of Borosilicate Glass, are hollow spheres which grain size is 10-250microns, wall-thickness 1-2 microns, filled with inert air or gas. They are produced at the high temperature of 700-800 degrees Celsius through complicated chemical and physical transformationhollow ...