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Polypropylene Caps

Polypropylene Caps are known for good impact strength, durability, cost effectiveness, thermal resistance, and pliability. Polypropylene bottle caps are autoclavable. Wide mouth pp caps are well-suited for many dry  products.
Choose from unlined polypropylene caps or bottle caps with various liners including: polyethylene(PE) liners, PTFE liners, or acid resistant F-422 liners

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Cap Material & Liner Descriptions
Cap Glossary
Cap Sizes and Neck Finishes



Available Polypropylene Caps: