Thermoplastic closures are known for good impact strength, cost effectiveness, and pliability. Polypropylene is autoclavable but is less suitable for freezing temperatures where it can become brittle. Polyethylene is not autoclavable but it is best for option freezing temperatures. Polypropylene is widely used for all type of RO, Tamper Evident, Child Resistent caps with one-piece foamed universal heat induction foil for inner sealing. Polyethylene is used mainly for liners and inserts for higher flexibilty and lower costs.
Raj Jain (Essco Glass Ampoules and Vials)
263, Industrial Estate, Phase 1, Industrial Area Phase I, PANCHKULA, Haryana - 134109
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