Arctic White

ST500 Series Internal Thread Screw Caps

Material: Polypropylene with silicone washer
Thread Type: Internal thread
Seal Type: Silicone washer
Operation: Single-turn seal and removal
Autocleavable: Yes
Thermal Stability: Matched coefficient of expansion with compatible tubes

Name: ST500 Series Internal Thread Screw Caps
Brand: Arctic White
Availability: InStock

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ST500 Series Internal Thread Screw Caps

Polypropylene screw caps designed for secure, leak-proof sealing of laboratory tubes and containers. The integrated silicone washer provides reliable closure with single-turn operation, while matched material composition between cap and tube ensures consistent thermal expansion and temperature stability. Autoclavable for sterilization and repeated use in demanding laboratory environments.