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  • Products (407)
  • White Polypropylene Screw Caps

    Wheaton
    Bonded Teflon®-faced silicone liners White, autoclavable caps have a bonded Teflon-Faced Silicone Liner making them suitable for storage and containment of volatile solvents, sensitive compounds and corrosive chemicals.  The liners consist of 0.055” of Silicone and 0.005”…
  • Black Phenolic Screw Caps

    Wheaton
    Tefon®-faced (14B) rubber liners Autoclavable caps are designed to ensure the ultimate in product safety. The liners are made of a nontoxic white styrene-butadiene rubber and are faced with Teflon® which offers excellent chemical resistance. They are available in convenient lab pack quantities as…
  • Color-Coded Polypropylene Caps

    Corning
    Colors permit easy identification and sorting Polypropylene caps fit all 1743E10 series PYREX ® bottles ranging from 100 mL to 10 L Autoclavable to 140°C One-piece cap eliminates liners Plug seal ensures leak-free closure Case contains 20 caps
  • Unlined White Polypropylene Caps

    Qorpak
    White Unlined Polypropylene Caps are known for good impact strength, cost effectiveness, and pliability. Unlined polypropylene closures are also available in black. These caps are autoclavable and are suitable for many dry products.
  • Black Phenolic Caps with PTFE-Faced Rubber Liners

    Kimble
    Phenolic Cap with PTFE-Faced Rubber Liner Cap is made of a special balck phenolic material (mineral filled) to withstand the effects of repeated autoclaving. Liner/cap retain their adhesive properties during autoclaving. Cap is identified in ASTM Specification E982, Class B requirements.
  • Microtube Screw Caps

    SSI
    … In conjunction with SSI microtubes, all caps can be centrifuged to over 20,000 in a rotor with appropriate support. Tubes and caps can be autoclaved and are suitable for ultra-low temperature storage (to gaseous phase liquid nitrogen at -196°C). All caps (and tubes) are manufactured from premium…
  • Microtube Screw Caps

    …In conjunction with SSI microtubes, all caps can be centrifuged to over 20,000 in a rotor with appropriate support. Tubes and caps can be autoclaved and are suitable for ultra-low temperature storage (to gaseous phase liquid nitrogen at -196°C). All caps (and tubes) are manufactured from premium…
  • Microtube Screw Caps

    SSI
    …Screw Caps are low profile caps fitted with ethylene propylene sealing o-rings. Screw Cap II is manufactured from polypropylene and fitted with a silicon o-ring. Tether (loop) Caps are low profile caps with a molded tether and a ethylene/propylene sealing o-ring. Tether (loop) Cap II…

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