Klinger Thermoseal ML-S723 Styrene-Butadiene Gasketing

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Klinger Thermoseal ML-S723 Styrene-Butadiene Gasketing
Categories:	Polymer; Thermoset; Rubber or Thermoset Elastomer (TSE)
Material Notes:	Thermoseal ML-S723 is a controlled-swell gasket material intended for heavy-duty applications. ML-S723's blended styrene butadiene and natural rubber binder provides exceptional sealability and conformability with low creep relaxation. Thickness increase, in the presence of oils and fuels, aids the sealing of irregular flange surfaces. Its unique Multi-Layer Technology structure provides exceptional low flange pressure sealability with exceptional torque retention. Multi-Layer Technology sheet products consist of a reinforced high density core with conformable sealing layers on each side. Typical applications include diesel engine oil pan gaskets and gear plate and rear seal carrier gaskets with intermittent operating temperatures up to 350° F (177° C). Information provided by Thermoseal Inc.
Vendors:	Thermoseal Inc. is the exclusive North American producer of Klinger Fluid Sealing products, including popular lines: Sealex, Klingersil and Topchem and our new Performance Technology Group of products. Visit us at Thermosealinc.com or call 1-800-990-7325 to speak with a fluid sealing specialist. Click here to view all available suppliers for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
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Physical Properties	Original Value	Comments

Density	1.60 g/cc	ASTM F 1315
Thickness	62.5 mil

Thermal Properties	Original Value	Comments
Maximum Service Temperature, Inert	350 °F

Descriptive Properties
Compressibility	0.15	ASTM F36J
Creep Relaxation	max. 35%	1/32", ASTM F38B
Pressure Limit	max. 435 psi
Recovery	max. 40%	ASTM F36J
Sealability	<0.2 ml/hr	ASTM F37
Thickness Increase	0-10%	after immersion in ASTM oil #1, 5hrs @ 149°C, ASTM F146
	0-15%	after immersion in Fuel A, 5hrs @ 23°C, ASTM F146
	30-40%	after fluid immersion, oil IRM 903: 5h/149°C, ASTM F146
Weight Increase	max. 35%	after immersion in Fuel B, 5hrs @ 23°C, ASTM F146

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PTHERM954 / 192642

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