Kraton® G1641 H (SEBS) Linear Triblock Copolymer

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Kraton® G1641 H (SEBS) Linear Triblock Copolymer
Categories:	Polymer; Thermoplastic; Elastomer, TPE
Material Notes:	Description: Kraton G1641 H is a clear, linear triblock copolymer based on styrene and ethylene/butylene with a polystyrene content of 33%. It is supplied from North America in the physical form identified: Kraton G1641 HU - supplied as an undusted powder Kraton G1641 HS - supplied as a dusted powder Region: Asia Pacific, Europe, Japan, North America, and South America Uses: Kraton G1641 H 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

Volatiles	<= 0.50 %	<= 0.50 %	KM 04
Viscosity	500 - 850 cP	500 - 850 cP	15% Toluene Solution at 25°C; BAM 922

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	52 @Time 10.0 sec	52 @Time 0.00278 hour	Measured on compression molded slabs; ASTM D2240
Tensile Strength	>= 17.2 MPa	>= 2490 psi	Measured on solution cast film from toluene; BAM 1245
Elongation at Break	>= 800 %	>= 800 %	Measured on solution cast film from toluene; BAM 1245
300% Modulus	4.34 MPa @Strain 300 %	629 psi @Strain 300 %	Measured on solution cast film from toluene; BAM 1245

Descriptive Properties
Content	Non-staining phenolic antioxidant		0.03-0.1%, KM 08
	Polystyrene		32.3-33.7%, Measured on polymer before hydrogenation, KM 03
	Total Extractables		<1.6%, KM 05

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PKRA9886 / 132785

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