Kimble Test Tubes 150 X 18Mm With Rim Box Of 100

Kimble Test Tubes 150 X 18Mm With Rim. Pack Of 100. Kimble test tubes are of very high quality and represent a more affordable alternative to Pyrex. Made from borosilicate 3.3, glass with and without rim as specified. Uniform Wall thickness of between 0.8 and 1mm for outstanding performance. Designed for maximum heat transfer and chemical resistance.