Purchase Qty. Reference FOB Price
1-99 Pieces US$35.56
100+ Pieces US$15.26
Product Description
Product Description Materials BK7 glass,UV fused silica etc., various types of optical glass. Diameter from 10 to 250 mm Diameter Tolerance 0.1 mm, standard; 0.01 mm - attainable. Surface Quality 60/40 Scratch/Dig ,standard;20/10 Scratch/Dig, attainable depending on material type and ...