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Supplying Science and Education Since 1957
Reusable PTFE Joint Sleeves

Unique manufacturing process permits superior quality PTFE joint sleeves at unbelievably low prices.

Price permits disposability!

Elongated cones of micro-thin virgin PTFE film tapered to fit snugly around glass joints. Approximately 0.05 mm (0.002”) thick with taper of approximately 1.10 on diameter.

Eliminates the need for lubrication and frozen, leaky ground joints. Can be used over a temperature range of -75° to +260° C.



Glass Joint Sleeve

Price: $29.57 to $72.08