38-439 COPOLY Plastic Closure

Current Stock:
SKU: RC-3839001E00
case size: 23.50 W × 10.25 H × 15.75 L
Thread Profile Type: Modified Buttress Thread or "M" Style
Liner Retention: Glued in Place
Material: Polypropylene Copolymer (CP)
Finish: Ribbed Sides, Smooth Top
Case Count: 1,100
$327.25 per case
Color None Selected *

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 weighs 9.58 grams, featuring a fine ribbed skirt and an unscrewing mold design. 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 selected suppliers 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. 


View additional product details here.

If you have questions about pricing, lining materials, custom colors, or anything else, our expert team would love to help! Give us a call at 1-800-356-8483 or email us today.