WHEATON® Screw Caps with Polypropylene/Silicone liner, Black, 33-430.
- Ideal for use with biological media, volatile solvents, corrosive chemicals and sensitive compounds
- Liner is ultrasonically welded to the cap to eliminate the possibility of glue contamination and bond failure common with autoclaving
- Low-compression-set silicone ideal for the storage of samples for prolonged period of time over wide temperature ranges
- PTFE or polypropylene on the exposed face of the liner imparts an inert, chemical-resistant surface
- Autoclavable
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