CHUWPI 12" Borosilicate Glass Tubing Two of Each Size 7 Size Selection

This is standard wall borosilicate (heat resistant) 12" glass tubing. All tube lengths are approximate. THIS IS A GREAT OFFER!!! 7 DIFFERENT SIZES OF TUBING IN ONE PACKAGE AT A REDUCED PRICE! If you're not sure what size of tubing you need, then here is the set for you. It includes two pieces of each size of the 12" Borosilicate tubing. Borosilicate glass has a low expansion borosilicate composition with high chemical resistance, making it the most popular type of glass in the world for laboratory use. It meets all U.S. Pharmacopoeia specifications for type 1A glass. The tubing has to be heated until it sort of glows red and then it can be bent. You heat it with a propane or natural gas burner similar to a plumbing torch or propane Bunsen burner. You would buy the propane at a hardware store. Tubing set includes 2 pieces of tubing in these measurements of outside diameter - 4mm, 5mm, 6mm, 7mm, 8mm, 10mm, 12mm. 4mm-6mm sizes have .8 mm wall thickness and the larger sizes have 1.0mm wall thickness.