Compressed Non-Asbestos Sheet Material

Lone Star offers a selection of compressed gasket sheet materials manufactured utilizing the hot calendared process. This process combines select fibers and fillers blended with suitable heat resisting binders which are vulcanized into sheets of homogeneous composition and uniform thickness for a wide variety of sealing applications.


Style 8033 SBR, Aramid Fiber is made by combining aramid and mineral fibers bonded with (SBR) an elastomeric copolymer consisting of styrene and butadiene. It is engineered to have controlled swell properties in oil used in applications throughout the automotive, chemical and industrial processes.
Sheet Sizes: 60” x 60” & 60” x 120”
Sheet Thicknesses:1/64, 1/32, 1/16, 3/32, 1/8, 3/16, 1/4”

Style 8137 NBR, Aramid Fiber is a gasket material blended of aramid fiber and nitrile (NBR) elastomer. This special formulation exhibits effective sealing characteristics in a wide variety of applications in the following industries: Water and Waste Water, Oil and Gas, and Pulp and Paper.
Sheet Sizes: 60” x 60” & 60” x 120”
Sheet Thicknesses:1/64, 1/32, 1/16, 3/32, 1/8, 3/16, 1/4

Style 8137M is a compressed non-asbestos sheet gasket material produced from aramid fibers, reinforced with a woven wire mesh and bonded with a nitrile rubber (NBR).
Sheet Sizes: 60” x 60” & 60” x 120”
Sheet Thicknesses: 1/16, 3/32, 1/8

Style 8445 NBR, Carbon Fiber is a premium grade gasket material produced by a hot calendar roll process. The material consists of high performance carbon fibers blended with a nitrile (NBR) elastomer binder. It has excellent resistance to steam and strong alkaline media.
Sheet Sizes: 60” x 60” & 60” x 120”
Sheet Thicknesses:1/64, 1/32, 1/16, 3/32, 1/8, 3/16, 1/4”

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About Lone Star Sealing Technologies
Lone Star Sealing Technologies was founded in 2004 to better serve the customers of Lone Star Fasteners and Walker Bolt. Our core product line consists of API Ring Joint Gaskets, Proprietary Wellhead Gaskets and Spiral Wound Gaskets. We also provide specialty cut gasket services for our OEM clients as well as general distribution for Raised Faced and Full Faced flange gaskets to ANSI B16.5 dimensions. LoneStar have a variety of high quality of gaskets and other options for fluid sealing applications built to endure, even under the toughest conditions. You can be confident that we go to every extreme to make sure that our products are built to perform. As manufactures and distributors of industrial gaskets for the oil and gas, and petrochemical industries, we know that it takes to produce quality that lasts and we continually tweak product lines in an effort to improve even the most proven gasket in the industry. In 2005 Lone Star acquired the assets of K&W Manufacturing, a Houston based API Ring Gasket producer. Established in 1964, K & W Manufacturing is an industry leader, among a few selected manufacturers in the world, approved by the American Petroleum Institute to apply the API monogram to Ring Joint Gaskets. In 2006 Lone Star acquired Grange Gaskets and Grange Precision Engineering (now Lone Star Grange) based in Leeds, England. Since 1948, Grange has been one of the United Kingdoms premier specialty gasket companies, specializing in Heat Exchange Gaskets of all types and configurations. Grange is world renowned for it's specialty clad gasket capabilities and quick service on spiral wound gaskets.

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