Product Name: Female and Male Standard Quartz Round Joint Type: Quartz Tube Purity: 99.99% Min Softening Point: 1683 Degree Annealing Point: 1215 Degree Defoamation Point: 1120 Resistant: High Temperature, High Pressure Package: Seaworthy Wooden Case Price: From Producer,Competitive Delivery Time: Within 15 Days Trademark: Yukang Transport Package: Neutro-Packing Specification: SGS Origin: Donghai, China HS Code: 70023110 Product Description Quartz joint ball1, Quartz ball joint2, tight tolearance +/- 0.1mm3, Resistance 1100 degree4, no bubble no airline5, ISO 9001-2000Regular size:Inner joint size 14/20. Outer diameter 19mm. Wall tubing 1.8mm.Inner joint size 24/40. Outer diameter 28mm. Wall tubing 2mm.Standard quartz ball joint, accept customer design.Other quartz products for laboratory use:Adapters, airless, beakers, burets, condensers, cylinders, columns, desiccators, distillation, extraction, flasks, filtration, funneles, joints, accessories