Sigma-Aldrich Pk100 Pp Screw Cap 13/425

Material

PTFE/red rubber septum
black polypropylene hole cap

Feature

closure type black polypropylene hole cap
pre-assembled
8.5 mm center hole in top of cap

Hardness

60 (Durometer: shore A)

Packaging

pkg of 100 ea

Septum Thickness

1.3 mm

Fitting

thread for 13-425

Compatibility

for use with 4 mL vials with 13-425 thread

Related Categories

Analytical Vials

General Description

Screw caps (black polypropylene hole cap, for use with 4 mL vials with 13-425 thread) are available for use with sealing septa. Polypropylene caps can withstand a maximum temperature of 135° C. The red PTFE/rubber septum can be used with most organics (until pierced) and is resistant to chlorosilanes.