quartz substrate

1,quartz glass disc2,tight siz tolearance

3,Resistance 1100 degree, 2020 f4, no bubble no airline

Physical Properties

Density 20oC g/cm3           2.2

Softening point(oC)             1683

Annealing point(oC)             1215

Defoamation Point (oC)       1120

Useful:  Widely used in Medical, Electronics instrument, Scientific research, Optical industry etc