NeoGraf GRAFOIL® GHN Standard Fluid Sealing Laminate, Non-Metal Reinforced

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NeoGraf GRAFOIL® GHN Standard Fluid Sealing Laminate, Non-Metal Reinforced
Categories:	Carbon; Graphite
Material Notes:	GRAFOIL® Grade GHN is an unbranded laminate made with GRAFOIL® Grade TG-337 flexible graphite, thermally bonded to both faces of a plastic insert. It is not certified to any industry standards. It is similar to Grade GHP, but with low-cost natural graphite. Grade GHN provides excellent long term sealing, good load retention, and easy removal of frequently rebuilt flanges. Surface identifiable, the laminate is branded with the GRAFOIL® grade and source guarantee. Its applications include: general gasket service; blind flange gaskets; replacements for current compressed sheets and beater-addition-type sheets; and other non-asbestos gasketing materials. While maintaining an effective seal, GRAFOIL® material exhibits virtually no creep relaxation. As a result, the need for periodic bolt tightening is greatly reduced. Laminate Construction: GRAFOIL® Grade TG-337 ? 0.0015" thick plastic ? GRAFOIL® Grade TG-337 Formerly a product of GrafTech.
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Physical Properties	Metric	English	Comments

Bulk Density	1.00 g/cc	0.0361 lb/in³	Standard; Graphite
Thickness	760 microns	29.9 mil	Standard; Laminate
	1520 microns	59.8 mil	Standard; Laminate

Mechanical Properties	Metric	English	Comments
Tensile Strength at Break	3.10 MPa	450 psi
Compression Set	89 % @Pressure 34.5 MPa	89 % @Pressure 5000 psi	after 5000 psi load

Thermal Properties	Metric	English	Comments
Maximum Service Temperature, Air	400 °C	752 °F
Minimum Service Temperature, Air	-240 °C	-400 °F

Descriptive Properties
"m" Factor	2		ASME Gasket Factor
"y" Stress (psi)	900		ASME Gasket Factor
Compressibility (%)	50		at 5000 psi load
Max Gasket Unit Load (psi)	24000		ASME Gasket Factor

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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CGRAF935 / 107339

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