"U" Glass Connecting Adapter All 14mm

"U" Glass Connecting Adapter All 14mm

About material: Borosilicate glass has very low coefficient of thermal expansion, which is about 1/3 of ordinary glass. it features with heat-resistant to achieve good adaptability in the range of 200℃ temperature difference. About us: We are professional glass manufacturer, if you want to order a large quantity, feel free to contact seller, you will get wholesale price.