
Rectangular & Square Transparent Borosilicate Glass Polished High Temperature Borosilicate 3.3 Glass Sheet. Exceptional Hardness: Moh's Hardness of 10 ensures durability in tough environments. Precision Surface Quality: Unique micro-float process provides exceptional flatness and low microroughness. Versatile Processing Options: Supports cutting, grinding, polishing, drilling, sandblasting, coating, bending, and printing. High Production Capacity: Supplier capacity reaches 10,000 pieces per day. Wide Application Range: Ideal for industrial optics, laboratory glassware, and oven/furnace windows. Chemical Durability: Excellent hydrolytic, acid, and alkali resistance meeting ISO and DIN standards. Quality Certification: ISO 9001 certified manufacturing with CE and FDA compliance.