38 mm, 38-439 Black Phenolic Plastic Ribbed Cap, Unlined

The 38 mm, 38-439 Black Phenolic Plastic Ribbed Cap is a high-performance closure designed for durability and chemical resistance. Made from premium phenolic resin, this cap features a ribbed exterior for enhanced grip and a sleek, professional appearance. Its 38-439 thread profile ensures a secure fit for compatible bottles and jars, making it an excellent choice for applications in laboratories, pharmaceuticals, industrial packaging, and chemical storage. The unlined interior offers flexibility for customers to pair it with a liner that meets their specific product requirements.

With its rigid thermoset construction, the 38-439 phenolic cap provides superior heat resistance and strength compared to standard plastic closures. Ideal for protecting contents from environmental exposure, this cap is suitable for packaging aggressive formulations or sensitive ingredients. Please note: this cap is sold separately.

Pipeline Packaging stocks a wide selection of phenolic caps and closures tailored to your industry needs. Contact us at 877.242.1880 or request a quote online to find the right bottle and cap combination for your product.