Shop Details

Test Tubes

supertek brand Test tubes, Screw cap tubes is manufactured from Low-Expansion Boro 3.3 glass in conformance with ASTM E
438 TYPE 1 CLASS A glass & DIN ISO 3585. The test tubes are mechanically very strong, yet still retain good thermal shock
resistance. These are printed in white enamel

Test Tube – Borosilicate Glass
• In Compliance to ISO 4142
• Made of borosilicate 3.3 glass
• Fire polished rim and uniform wall thickness
• High thermal shock resistance & chemical attack resistance