Kraton® D0243 K (SBS) Diblock Copolymer

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Kraton® D0243 K (SBS) Diblock Copolymer
Categories:	Polymer; Thermoplastic; Styrene-Butadiene; Styrene/Butadiene/Styrene (SBS)
Material Notes:	Kraton D0243 K is a clear, diblock copolymer based on styrene and butadiene with a polystyrene content of 33%. It is supplied from North America in the physical form identified: Kraton D0243 KT - supplied as a porous pellet dusted with talc Region: North America, Asia Pacific, Europe, Japan and South America Uses: Kraton D0243 K 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. Applications: Bitumen Modification; Adhesives, Sealant and Coatings; Compounding and Personal Hygiene; Footwear; Impact Modification; Medical; Packaging and Polymod; Personal Care; and Roads and Roofing Information provided by Kraton®
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Physical Properties	Original Value	Comments

Specific Gravity	0.940 g/cc	ASTM D402
Volatiles	<= 1.0 %	KM 04
Viscosity	240 - 390 cP	25% toluene solution at 25°C; BAM 922
Melt Flow	20 g/10 min @Load 5.00 kg, Temperature 200 °C	ASTM D1238
Ash	0.35 - 0.75 %	Talc; BAM 908

Chemical Properties	Original Value	Comments
Diblock Content	75 %

Mechanical Properties	Original Value	Comments
Hardness, Shore A	70 @Time 10.0 sec	Typical values on polymer compression molded at 300°F, Estimated value; ASTM D2240
Tensile Strength	1.72 MPa	Measure of film cast from a solution in toluene, Estimated value; ASTM D412

Descriptive Properties
Content	Non-staining phenolic antioxidant	0.35-0.48%, KM 08
	Polystyrene	31-36%, KM 03
	Total Extractables	<1.0%, KM 05
	Vinyl Polybutadiene	35%, KM03
Styrene/Rubber Ratio	33/67

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PKRA9802 / 132701

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