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Thermoseal ML-5270

High performance multi-layer sheet

KLINGER Thermoseal's Multi-Layer Technology materials provide both exceptional interfacial and interstitial sealability. Conformable outer layers prevent leakage between the gasket and flanges and a strong high-density core provides structural support while preventing leakage through the gasket.

ML-5270 is a high performance synthetic fiber and polychloroprene binder gasket material that is resistant to refrigerants and oil mixtures. Its unique Multi-Layer Technology structure provides exceptional low flange pressure sealability with exceptional torque retention.

Typical applications include gaskets in hermetic and semi-hermetic compressors and oil pan gaskets in heavy-duty diesel engines with intermittent operating temperatures up to 350°F (177°C).
ML-5270 Gasket

Typical Values Refer to 1/16" Thick Material Unless Noted

Temperature maximum 350°F (177°C)
Pressure maximum 800 psi (5.5 MPa)
DensityASTM F1315 106 lb/ft (1.7 g/cm³)
压缩系数ASTM F36 J 8 - 14 %
RecoveryASTM F36 J Minimum 40 %
Gas PermeabilityDIN 3535/6 < 0.3 ml/min
Weight IncreaseASTM F146
After immersion in Fuel B for 5h/73°F

Maximum 15 %
Thickness IncreaseASTM F146
After immersion in Oil IRM 901 for 5h/300°F
沉浸在石油IRM 903后5h/300°F
After immersion in Fuel B for 5h/73°F

0 - 5 %
maximum 30 %
5 - 0 %
Creep relaxationASTM F38 B(1/32") Maximum 30 %
SealabilityASTM F37(1/32") < 0.20 ml/hr
Tensile strength ASTM F152 2250 psi (15.5 MPa)
ASTM F104Line Call Out F712241B5K646
Color Black
The ability of a gasket to make and maintain a seal depends not only on the style and quality of the gasket material, but also on medium being sealed, the flange design, the amount of pressure applied to the gasket by the bolts and how the gasket is assembled onto the flanges and tightened. These factors are beyond the manufacturer's control.
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