
Factory Direct Sales Borosilicate Colored Glass Tube Suppliers Pipes 3.3. 37 Color Options: Available in Clear, Blue, Green, Yellow, Amber, Black, Pink, Purple, and 30 other colors. High Heat Resistance: Made from high borosilicate glass 3.3, offering superior thermal shock resistance. Flexible Customization: Supports OEM/ODM services with flexible customization for dimensions and features. Wide Size Range: OD 4-315mm, Thickness 0.5-9mm, Length 5-3000mm to meet diverse application needs. ISO9001 Certified: Manufacturing process certified under ISO9001 quality management standards. Free Samples: Free samples available for evaluation before placing bulk orders. Fast Delivery: Peak and off-season lead time within 15 workdays with quick delivery stock system. 100% Inspection: Strict quality control with 100% visual and function inspection for finished products.