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Grafoil Product Data
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Grafoil® Graphite Gasket Sheet
Grafoil grade GTB industrial grade is the most popular grafoil sheet. It is recommended for gasketing applications up to 3000 degrees Fahrenheit in non-oxidizing atmospheres.
Grafoil Grade Overview:
STYLE -
SW-GTA -
GRADE GTA NUCLEAR GRADE:A special grade having an extremely low ash content. Standard nuclear grade 99.5% graphite minimum. Certification of less than 50 ppm leachable chlorides will be furnished upon request. Contains no binders or resins.
STYLE -
SW-GTB -
GRADE GTB INDUSTRIAL GRADE: Our most popular style sheet. Recommended for gasketing applications up to 3000 degrees Fahrenheit in non-oxidizing atmospheres. Virtually all chemical services. 95% graphite minimum. 100 PPM leachable chloride maximum. Monolithic sheet, no binders or resins, mechanical bond.
STYLE -
SW-GHE -
GRADE GHE CORROSIVE SERVICE:Metal inserted GTB sheet. Grafoil® sheets mechanically bonded to a .006" thick sheet of 316 SS which provides a stronger gasket for corrosive services. Available in 24" x 24" x .062" thick.
STYLE -
SW-GHG -
GRADE GHG NON-CORROSIVE SERVICE: Metal inserted GTB sheet. Grafoil® sheets are bonded to a .002" think sheet of carbon steel providing a stronger gasket for non-corrosive services.
GRADE GTK -
A new corrosion and oxidation inhibiting packing and gasketing material. Grade GTK contains an inorganic passivating corrosion inhibitor, which is uniformly distributed throughout the product during its manufacture. This process eliminates localized "hot spots" of corrosion which can occur with impregnated or coated passivating and sacrificial inhibitors.
GRADE GHL -
Uncured adhesive bonded laminate made from GTB.
GRADE GHB -
Cured laminate sheet made from GTB
GRADE GHS -
SS 316 wire mesh (screen) inserted and laminated GTB sheet adhesive bonded laminate. screen is 24 mesh (24 wire/inch)(.0075 screen) uncured.
GRADE GHR -
SS 316 or 312 inserted laminate made of GTB. Insert .002 thickiness adhesive bond. Uncured.
GRADE GHQ -
Aluminum insert .005 Tk. Laminate made of GTB material. Uncured.
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Grafoil grade GTB Industrial Grade Features: 95% graphite minimum
100 PPM leachable chloride maximum
Monolithic sheet, no binders, or resins
mechanical bond
Virtually all chemical services
Super high-temperature gasket material
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