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Encapsulated O-ring manufacturer and Precision extruder M-Cor Inc. is a leading U.S. producer of high performance sealing products for extreme environments. Extruded profiles are converted into o-rings, Teflon® encapsulated o-rings, camlock gaskets, chemical transport tubing and various other sealing products. With in house tooling capabilities, we are able to immediately respond to customer prototype and production requests. Call 630.860.1150 or Email now for immediate assistance.
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Extrusions of Viton® Extreme ETP - Viton® GFS - Viton® GFLT
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Continuous Cured Lengths for Conversion into Sealing Devices
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 M-Cor engineering is proud to announce the new development of continuously cured extruded lengths of acid resistant Viton® GFS, Viton® Extreme ETP and Viton® GFLT. With the development of APA (Advanced Polymer Architecture) from DuPont Performance Elastomers, these highly chemically resistant elastomers (see chart) can be economically fabricated into converted products such as: encapsulated o-rings, chemical hose and various sealing devices for extreme applications in both prototype and production runs.
Cost saving is achieved by elimination of tooling and fabrication costs associated with previously required molds.  Now, where applicable, both outstanding acid resistant Viton® GF-S and base resistant Viton® Extreme ETP can be profile extruded in lengths of 150 feet or greater and cut to length. Examples are: peristaltic hose, acid resistant transport tube, industrial hose couplers, FDA Compliant hose, trim seals and cut to length seals, gaskets and packings.
M-Cor Inc. of Helena, Montana, USA is a leading manufacturer of high performance sealing products which includes Teflon® encapsulated o-rings and close tolerance extruded cords, profiles, veneered hose, tubing of Viton® fluoroelastomer and high performance elastomers. Extruded profiles are converted into o-rings, encapsulated o-rings, gaskets, chemical transport tubing and various other products for chemical, pharmaceutical, aerospace, automotive and medical industries.
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The Next Generation of Teflon Encapsulated O-Rings:
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Encap-O-Seal© Teflon® Encapsulated Viton® GF-S for extreme acid resistance
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Encap-O-Seal© Teflon® Encapsulated Viton® Extreme ETP for extreme base resistance
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 Viton® GF-S exhibits excellent physical properties and low compression set, essential for good sealing performance. A high fluorine polymer, Viton® GF-S also offers good low temperature flexibility. In functional sealing tests, the new polymer seals reliably at temperatures close to -25°C ; an important advantage during plant shutdowns and maintenance re-starts in cold winter climates.
Viton® GF-S demonstrates excellent resistance to strong bases. Following immersion in a 30 percent potassium hydroxide solution for 1 week at 100°C, the new APA polymer exhibited high retention of properties and low volume swell, even versus a dedicated base resistant TFE / Propylene copolymer.
The outstanding resistance of Viton® GF-S to aggressive chemical media its low compression set and good low temperature flexibility make it ideal for reliable long term sealing in tough chemical process, petrochemical and marine applications.
References:http://www.dupontelastomers.com/Products/Viton/News/articles.asp?article=viton_gfs
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Plant: M-Cor Inc. | 3405 Byron Rd. | Helena,MT. USA |59602
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Offices: M-Cor Inc. | 227 James St. | Bensenville,IL.USA | 60106
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