DWK Tube Culture Kimax 25ml 20 x 125mm PTFE Lined Cap, 4 x 48 Items KIML45066A-20125

KIMBLE® KIMAX® Reusable Screw Thread Culture Tube,Unattached Cap, PTFE, 20 x 125 mm, 25 mL [4 packs of 48 tubes]
Capacity 25 mL, OD 20mm, Thread 18-415, Liner Material PTFE-faced Rubber, Length 125mm
Manufactured from borosilicate glass 3.3
Provided with phenolic screw-thread caps, unattached
Series 45066 is designed from ASTM E982, Type VI, Class A requirements (Rubber liner)
Series 45066A is designed from ASTM E982, Type VI, Class B requirements (PTFE liner)
The 20 x 125 mm size of these tubes is suitable for the determination of insulin according to the method of Alving, Rubin and Millor, Journal of Biological Chemistry, 127, 3 (March 1939)
Autoclavable