Shape: Round, Square, Disc, Thin, Thick Material: High purity, SiO2> 99.98% Thickness: 0.5mm ... : Clear Quartz Plate Application: Optical Thickness: 0.5-20mmShape: Round, Square, Rectangular Place of Origin: Jiangsu, China Brand Name: ... scientific research, medical, electronics instrument, optical industry etc.3. Shape Round, square, rectangular and various shapes are available.4. SizeMAX Size ...