This precision-engineered adapter forms a continuous standard taper inside and out, from top to bottom.

• Polypropylene construction
• Forms a continuous taper inside and out
• Allows multiple connection variations
• Holds a vacuum when new and well-lubricated
• Withstands temperatures up to 121°C (250°F)

It may be cut with a fine-tooth saw or sharp knife into various adapters, such as individual bushings, stirrer bearings, thermometer and gas inlet tube supports, drip-tips, funnels, trap connectors for tubing, etc

The Poly-Cone™ adapter allows the connection of two equal or unequal tapered joints, a tapered joint and a straight tube, or two straight tubes. When new and well-lubricated, it will hold a vacuum.

A sampling of the many uses include: (A.) 35/50 to 30/50 (accommodates 34/45 to 29/42), (B.) 30/50 to 25/50 (accommodates 29/42 to 24/40), (C.) 25/50 to 20/50 (accommodates 24/40 to 19/38), (D.) 20/50 to 15/50 (accommodates 19/38 to 14/35), (E.) 15/50 to 10/50 (accommodates 14/35 to 10/30), or (F.) 10/20 to 5/20 (accommodates thermometers, glass tubing, etc.).

It withstands temperatures up to 121°C (250°F).