
Heat Resistant Borosilicate Glass 3.3 Tube and Rod. High Heat Resistance: Made of high borosilicate 3.3 glass for superior thermal shock resistance. Flexible Customization: Special dimensions and colors available according to customer requests. Wide Size Range: OD from 3mm to 315mm, wall thickness 1.0mm to 10mm, length 5mm to 2200mm. ISO Certified Quality: Holds ISO9001 and ISO14001 certificates for quality and environmental management. High Production Capacity: 60 tons daily productivity with 8 production lines and 150,000 metric tons annual capacity. Versatile Applications: Suitable for lab equipment, medical, optical, solar energy, and daily glassware. OEM and ODM Services: Flexible customization options including special processing and design support. Fast Delivery: Quick delivery stock system available with lead time within 15 workdays.