WHEATON® 38-400 White Polypropylene Screw Caps

• White polypropylene screw cap provides clear surface for writing on cap
• Polyvinyl liners provide an excellent moisture barrier, can be used with mild acids, alkalis, solvents and alcohols
• Foamed polyethylene (PE) liner Foamed polyethylene liner provides chemical resistance for acids, alkalis, solvents, alcohols, oils, household cosmetics and aqueous products. Excellent for environmental samples, pharmaceuticals and diagnostic reagents.
• PTFE faced foamed PE liner offers excellent chemical resistance, ideal for use with high purity chemicals, strong acids and solvents
• PTFE faced silicone liner consist of 0.055" (1.4 mm) of silicone and 0.005" (0.14 mm) of PTFE . Ideal for storage and retrieval of volatile solvents, sensitive compounds and corrosive chemicals.

Use WHEATON® 38-400 White Polypropylene Screw Caps White Polypropylene Screw Caps with WHEATON® or other manufacturers’ glass bottles or vials.

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