Description
Product Overview
The Lamons EPDM gasket sheet is engineered for reliable performance in drinking water service and industrial sealing applications. Certified to NSF‑61, this gasket meets the highest safety standards for potable water. Constructed from ethylene‑propylene diene monomer (EPDM) rubber, it offers a hardness of Shore A 75±5, tensile strength of 1500 psi, and elongation of 250 %. The material resists heat, ozone, UV exposure, and extreme temperature fluctuations, ensuring long‑term durability. Dimensions are 15 × 13 × 1 inches, weighing 1 lb, and it is supplied by Lamons under model 386‑04‑482X12X12X1.DSC.
Usage
Designed for water treatment plants, HVAC systems, and laboratory equipment, this gasket excels in sealing joints exposed to hot or cold water, steam, and chemical agents. It is suitable for sheet, strip, pre‑cut ring, and full‑face gasket installations, catering to maintenance crews, engineers, and facility managers who require dependable, NSF‑61 compliant sealing solutions. 
Why Choose Us
Lamons combines rigorous testing with industry certifications to deliver a gasket that not only meets but exceeds regulatory requirements. Our EPDM strips are produced under controlled conditions, guaranteeing consistent hardness and tensile properties. The NSF‑61 certification provides assurance of safety for drinking water, while the material’s resistance to environmental stressors reduces replacement frequency and total cost of ownership.
Key Features
- NSF‑61 certified for safe drinking water applications
- High durability EPDM rubber with Shore A 75±5 hardness
- Excellent resistance to heat, ozone, UV light, and temperature extremes
- Versatile formats: sheets, strips, pre‑cut rings, full‑face gaskets
- Meets ASTM D2000, D1330, D412 standards for performance
FAQ
Is this gasket suitable for hot water systems?
Yes, the EPDM material resists high temperatures and is ideal for both hot and cold water sealing applications.
What does NSF‑61 certification mean?
NSF‑61 certification verifies that the gasket does not leach harmful contaminants into drinking water, meeting strict health and safety standards.
Can I purchase this gasket in custom sizes?
Lamons offers custom cutting services for sheets and strips to match specific dimensions required by your project.
How does the gasket perform against chemical exposure?
The EPDM composition provides strong resistance to many chemicals, including ozone and common industrial solvents, extending service life.
What is the typical lifespan of this gasket?
When installed correctly in compliant environments, the gasket can last several years, often outlasting standard rubber alternatives due to its superior material properties.






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