Borosilicate Glass Testing Tube Oil Centrifuge Tube With Screw Head And Plastic Lid Glass Lab Test Tube Product description: 1. SiO2> 99.99% ,tubing ....
Product description: 1. Purity: SiO2 content is more than 99.9%, transparent quartz glass tube can reaches above 99.95%. 2. Temperature : Softening .....