Kraton® G1643 M (SEBS) Linear Triblock Copolymer

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Kraton® G1643 M (SEBS) Linear Triblock Copolymer
Categories:	Polymer; Thermoplastic; Elastomer, TPE
Material Notes:	Description: Kraton G1643 M is a clear, linear triblock copolymer based on styrene and ethylene/butylene with a polystyrene content of 20%. It is supplied from North America in the physical form identified: Kraton G1643 MS - is supplied as a dusted, dense pellet Region: Asia Pacific, Europe, Japan, North America, and South America Uses: Kraton G1643 M is used in compound formulations and as a modifier of thermoplastics. It may also find use in formulating adhesives, sealants, coatings and modified bitumens. Applications: Compounding and Personal Hygiene; Adhesives, Sealant and Coatings; Impact Modification; Medical; Packaging and Polymod; and Personal Care Information provided by Kraton®
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Physical Properties	Metric	English	Comments

Specific Gravity	0.900 g/cc	0.900 g/cc	ASTM D792
Volatiles	<= 1.0 %	<= 1.0 %	KM 04
Viscosity	210 cP	210 cP	25% Toluene Solution at 25°C; BAM 922
Melt Flow	14 - 25 g/10 min @Load 2.16 kg, Temperature 230 °C	14 - 25 g/10 min @Load 4.76 lb, Temperature 446 °F	ASTM D1238
Ash	0.020 - 0.12 %	0.020 - 0.12 %	Silica; BAM 908

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	52 @Time 30.0 sec	52 @Time 0.00833 hour	ASTM D2240
Tensile Strength	10.3 MPa	1490 psi	ASTM D412
Elongation at Break	>= 600 %	>= 600 %	ASTM D412

Descriptive Properties
Content	Non-staining phenolic antioxidant		0.06-0.14%, KM 08
	Polystyrene		16.6-20.6%, Measured on polymer before hydrogenation, KM 03
	Total Extractables		<1.0%, KM 05
Styrene/Rubber Ratio	20/80

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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PKRA9888 / 132787

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