Glass joints are junctions on a piece of glassware which enables an airtight interlock with another piece. You will note that this portion of the glassware item is somewhat opaque (relative to the typical transparency of glass) and that the joint changes in diameter from the end to the other. This change in joint diameter is referred to as a standard taper, and is typically represented by the symbol. There are literally dozens of standard taper sizes, which are comprised of two numbers: diameter of the joint at its narrowest, followed by a slash and finally the length of the joint. Lab Glassware is the leading in Glass Joints Manufacturer, Glass Joints Suppliers, Glass Joints in India, Glass Joints Exporter, Glass Joints, Lab Glass Joints, Joints Manufacturers in India, Glassware Joints.