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Caps have a silicone washer between the cap and the tube to ensure a positive leakproof seal at all temperatures. As for tubes, these closures are also made of polypropylene, providing the same coefficient of expansion for both, which further enhances the leakproof qualities of the vials at changing temperatures. The cap features a long skirt and a super-fast thread design that allows it to be removed or sealed with a single turn.

Screw Cap (blue) for LSP-501* Sample Tubes 1000/pack

Made of polypropylene
With silicone washer
Long skirt and super fast thread design for easy seal
Autoclavable
SKU: LSP-502B
$132.50