High Temperature Resistant Borosilicate Glass Culture Tube Graduated Reusable Laboratory Tissue Culture Glass Test Tube OEM Custom Size

High Temperature Resistant Borosilicate Glass Culture Tube Graduated Reusable Laboratory Tissue Culture Glass Test Tube OEM Custom Size. Premium 3.3 Borosilicate Material Low thermal expansion, strong anti-thermal shock, not easy to break during heating and cooling. High Temperature Sterilizable Support autoclaving and high-temperature disinfection, reusable for long-term use. Super Chemical Stability Resist most acids, alkalis and organic solvents, no reaction with culture medium. Smooth Inner & Outer Wall Reduce residue adhesion, easy to clean and dry. High Light Transmittance Crystal clear body, convenient for real-time observation of microbial and cell growth. Diversified Designs Round bottom / Flat bottom, screw cap / stopper types for selection. Strict Quality Control Uniform wall thickness, stable size, good sealing performance.