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Screw caps, N 13, N 13 PP screw cap, black, center hole, Silicone white/PTFE blue, cross-slit, 50° shore A, 1.5 mm, 100 pieces

Screw caps, N 13, PP, black, center hole, silicone white/PTFE blue, cross-slit, 1.5 mm, 100 pieces. 

This cross-slit 13 mm screw closure offers a penetration aid for the thick and blunt HPLC needles which otherwise may push the septa into the vial. Furthermore the cross-slit avoids the risk of a vacuum in the vial in case of multiple injections.

Cap color: black
Cap hole: Yes
Material: PP
Nominal diameter: N 13
Septa hardness: 50°
Septa thickness: 1,5 mm

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