The 38-439 Copolymer plastic cap is a tough, heavy-duty closure that can be used with a wide array of products across a variety of industries, including:

• Agricultural
• Automotive
• Household chemicals
• Industrial products and chemicals

The 38-439 Copolymer features a fine ribbed skirt. The stock resin is a high impact polypropylene copolymer, which complies with FDA regulations for food contact. This resin helps chemical resistance and adds strength for preventing stress cracking.

Reliable Caps stocks the 38-439 Copolymer in white, but will work with you to provide color matches for your specific needs. We can also provide a variety of liner materials for your closure, including popular options such as Polyethylene Foam and Heat-Induction Foil Seals for tamper evident sealing.