Kraton® G1657 V Linear Triblock Copolymer

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Kraton® G1657 V Linear Triblock Copolymer
Categories:	Other Engineering Material; Additive/Filler for Polymer; Polymer; Thermoplastic; Elastomer, TPE; Styrenic TPE
Material Notes:	Kraton G1657 V is a clear, linear triblock copolymer based on styrene and ethylene/butylene with a polystyrene content of 13%. It is supplied from Taiwan. Kraton G1657 V is used as a modifier of bitumen or thermoplastics and in compound formulations. It may also find use as an ingredient in formulating adhesives, sealants and coatings. Kraton G1657 VS - is supplied as a dusted, dense pellet. Information provided by Kraton Corporation.
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Physical Properties	Original Value	Comments

Specific Gravity	0.900 g/cc	ASTM D4025
Viscosity Measure	1200 - 1800 cSt	Toluene, 20.0%w; AGAM 922
Melt Index of Compound	22 g/10 min @Load 5.00 kg, Temperature 230 °C
Ash	0.020 - 0.12 %	G1657 VS, silica dusted; AGAM 908

Chemical Properties	Original Value	Comments
Diblock Content	30 %

Mechanical Properties	Original Value	Comments
Hardness, Shore A	47 @Time 10.0 sec	Compression molded at 300°F; ASTM D2240
Tensile Strength	3400 psi	Cast Film; ASTM D412
Elongation at Break	750 %	Cast Film; ASTM D412
300% Modulus	350 psi @Strain 300 %	Cast Film; ASTM D412

Descriptive Properties
Antioxidant	0.03 to 0.1	Test Method KM 08. Non-staining phenolic antioxidant.
Extract in Methanol	25
Polystyrene Content (%m)	12.3 to 14.3	Test Method KM 03. Before hydrogenation.
Styrene / Rubber Ratio	13/87
Total Extractables	<= 1.5 %m	Test Method KM 05
Volatile Matter (%m)	<= 1	KM 04

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PKQZ9026 / 239890

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