LS Series Graphite Sheet Material

Lone Star graphite sheet is made from exfoliated graphite flake with high carbon content. It is chemically treated, expanded under high temperature and pressed for rolling.


Style LSP is expanded graphite sheet material that is the ideal gasket material for low pressure and high temperature applications. Style LSP can also be used as a layering material for Camprofile gaskets and Corrugated Metal gaskets.
Sheet Sizes: 39” x 39” & 60” x 60”
Sheet Thicknesses:1/32, 1/16, 1/8

Style LSF is expanded graphite sheet that is reinforced with a 316 stainless steel foil insert. Style LSF is ideal for use in flange connections involved in piping and machinery.
Sheet Sizes: 39” x 39” & 60” x 60”
Sheet Thicknesses:1/32, 1/16, 1/8

Style LST is expanded graphite sheet reinforced with a perforated stainless steel layer. LST is used in high pressure, high temperature conditions and is useful in applications for both the chemical and petrochemical industries.
Sheet Sizes: 39” x 39” & 60” x 60”
Sheet Thicknesses: 1/32, 1/16, 1/8

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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