Wheaton® White Polypropylene Screw Caps with Polyethylene Foam Liner
Wheaton® white polypropylene screw caps have a polyethylene foam liner which provides a tight seal. The foamed polyethylene liner provides chemical resistance for acids, alkalis, solvents, alcohols, oils, household cosmetics and aqueous products. The white polypropylene screw cap provides a clear surface for writing on the cap. Use this cap with Wheaton or other manufacturer glass bottles or vials. Cap Material: Polypropylene (PP).