Garlock GRAPH-LOCK® 3128 HOCHDRUCK® Graphite Sheet Gasketing, Steel Reinforced

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Garlock GRAPH-LOCK® 3128 HOCHDRUCK® Graphite Sheet Gasketing, Steel Reinforced
Categories:	Carbon; Graphite
Material Notes:	High performance multi-layer graphite with 316SS inserts provides high compressive strength, blow-out resistance, excellent handling properties and improved tightness. Pure exfoliated graphite flake material excels in extreme conditions, withstanding heat, pressure, and aggressive chemicals Proven fire-safe Seals easily under moderate bolt load, offers superior torque retention Retains dimensional stability in high temperatures; seals tightly even during pressure fluctuations Information provided by Garlock Rubber Technologies
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Physical Properties	Metric	English	Comments

Permeability	0.40	0.40	Gas Permeability, cc/min; DIN 3535 Part 4

Mechanical Properties	Metric	English	Comments
Tensile Strength	31.0 MPa	4500 psi	ASTM F152

Thermal Properties	Metric	English	Comments
Maximum Service Temperature, Air	649 °C	1200 °F	Steam
	454 °C @Pressure 13.8 MPa	850 °F @Pressure 2000 psi
Minimum Service Temperature, Air	-240 °C	-400 °F

Component Elements Properties	Metric	English	Comments
Carbon, C	99.85 %	99.85 %

Descriptive Properties
Compressibility, %	30-40		ASTM F36
Creep Relaxation, %	10		ASTM F38
Sealability ASTM F37B, ml/hr	0.1		Nitrogen
	0.2		ASTM Fuel A

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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PGARL841 / 157528

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