Longman Mills is a leading manufacturer of custom molded rubber caps and covers. We offer a wide range of materials to meet your specific requirements, ensuring that our products are tailored to your needs.

Customization and Specifications

Our custom rubber caps and covers are designed to meet your exact specifications. We require key dimensions, including inside and outside diameter, wall sections, material requirements, and any special requests or tolerances. Once these details are discussed with our team, we can proceed with tooling and start production.

Industry Applications

We supply custom rubber caps and covers to a wide range of industries, supporting key suppliers and brand names within multiple sectors. Our expertise spans from the development of new concepts to production roll-out in the following industries:

• Automotive
• Aerospace
• Marine
• Manufacturing
• Agriculture

We can produce high-temperature resistant and chemical-resistant rubber caps and covers, ensuring durability and performance in demanding environments.

Material Options

EPDM Rubber Caps and Covers: Chemically inert and resistant to harsh chemicals, with high-temperature resistance up to 150°C intermittently. Ideal for applications requiring a tight seal and durable closure.

Natural Rubber Caps and Covers: Offers the greatest hardness range and excellent deformation capacity, allowing for repeated use without permanent deformation.

HNBR Rubber Caps and Covers: Provides good all-round performance, with a maximum intermittent operating temperature of 160°C. Retains properties after long-term exposure to heat, oil, and chemicals. Typical applications include automotive seals and oil field covers.