Wholesale Polished Quartz Crystal Glass Test Tube for Lab Room

Wholesale Polished Quartz Crystal Glass Test Tube for Lab Room. High Purity Material: SiO2 content exceeds 99.99%, ensuring superior quality and performance. Excellent Chemical Stability: Resistant to acids and alkalis; stability is 30 times that of ceramic and 150 times that of stainless steel. Superior Electrical Insulation: Electrical insulation is 10,000 times better than ordinary glass. High Light Transmittance: Light transmittance ranges from 85% to 95% depending on the spectrum. Customization Available: Offers full customization, minor customization, and flexible customization from samples or designs. No Bubbles or Defects: Manufactured without bubbles or air pipelines for optimal clarity and strength. ISO 9001 Certified: Manufacturing process certified under ISO9001:2015 management system.