Kraton® D4270 B (O/E SBS) Branched Copolymer

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Kraton® D4270 B (O/E SBS) Branched Copolymer
Categories:	Polymer; Thermoplastic; Styrene-Butadiene; Styrene/Butadiene/Styrene (SBS)
Material Notes:	Description: Kraton® D4270B is an oiled, branched copolymer based on styrene and butadiene with a polystyrene content of 32%. It is supplied from South America in the physical form identified: D4270BT supplied as a dusted porous pellet D4270BS supplied as a dusted porous pellet Region: North America, Europe, Asia Pacific, Japan, and South America Uses: Kraton D4270B is used for formulating compound for footwear and general purpose applications. Applications: Adhesives, Sealant and Coatings; Bitumen Modification; Compounding and Personal Hygiene; Footwear; Impact Modification; and Roads and Roofing Information provided by Kraton®
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Physical Properties	Original Value	Comments

Specific Gravity	0.940 g/cc	ISO 2781
Bulk Density	0.400 g/cc	ASTM D 1895 method B
Volatiles	<= 0.70 %	KM 04
Melt Flow	15 g/10 min @Load 5.00 kg, Temperature 200 °C	ISO 1133
Ash	<= 0.50 %	Product form "S" or "T"; ISO 247-B

Mechanical Properties	Original Value	Comments
Hardness, Shore A	45 @Time 15.0 sec	ISO 868
Tensile Strength	12.0 MPa	ISO 37
Elongation at Break	1100 %	ISO 37
300% Modulus	0.00190 GPa @Strain 300 %	ISO 37
Abrasion	100	[cubic mm]; DIN 53516

Descriptive Properties
Content	Antioxidant	>0.4%, KM 08
	Bound Styrene	31-33%, KM 03
	Total Extractables	30.5-32.5%, KM 05

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PKRA9847 / 132746

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