Adapter insert is made of PTFE with a 24/40 outer, square beaded joint; for connecting to a rotary evaporator. The threaded cap is made from PBT [Polybutyleneteraphthalate] which can be use at temperatures to 200° C. Only PTFE comes in contact with solvents.

Items
4021 Wide Mouth, Joint to Thread Inlet Adapter - Manufactured by NDS Technologies, Inc.

Adapter, Inlet, 24/40 Joint to GL 80 Thread
List Price $213.94

4021 Wide Mouth, Joint to Thread Inlet Adapter - Manufactured by NDS Technologies, Inc.

Adapter, Inlet, 24/40 Joint to GL 100 Thread
List Price $236.09
Product Name N/A Joint to GL 80 Thread Inlet Adapter N/A Joint to GL 100 Thread Inlet Adapter
Thread Size N/A GL 80 N/A GL 100
Pkg. Qty. N/A 1