Kraton® D1118 K (SBS) Diblock Copolymer

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Kraton® D1118 K (SBS) Diblock Copolymer
Categories:	Polymer; Thermoplastic; Styrene-Butadiene; Styrene/Butadiene/Styrene (SBS)
Material Notes:	Description: Kraton D1118 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 D1118 KT - supplied as a dusted porous pellet Kraton D1118 KTM - supplied as a dusted powder Region: Asia Pacific, Europe, Japan, North America, and South America Uses: Kraton D1118 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: Adhesives, Sealant and Coatings; Bitumen Modification; Compounding and Personal Hygiene; Footwear; Impact Modification; Medical; Packaging and Polymod; Personal Care; and Roads and Roofing Note 1) The final dusting level is a combination of the talc from the original D1118 KT plus PGA-SD Alumina added during the milling process Information provided by Kraton®
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Physical Properties	Original Value	Comments

Specific Gravity	0.940 g/cc	ASTM D4025
Volatiles	<= 1.0 %	KM 04
Viscosity	470 - 790 cP	25% Toluene Solution at 25°C; BAM 922
Melt Flow	10 g/10 min @Load 5.00 kg, Temperature 200 °C
Ash	0.40 - 0.65 %	KT, Talc; BAM 908
	4.0 - 6.0 %	KIM, See Note 1); BAM 908

Chemical Properties	Original Value	Comments
Diblock Content	78 %

Mechanical Properties	Original Value	Comments
Hardness, Shore A	74 @Time 10.0 sec	Typical values on polymer compression molded at 350°F; ASTM D2240
Tensile Strength	1.72 MPa	Typical properties of film cast from toluene solution; ASTM D412
Elongation at Break	600 %	Measured on films cast from a solution in toluene; ASTM D412
300% Modulus	0.00120 GPa @Strain 300 %	film cast from poluene solution; ASTM D412

Descriptive Properties
Content	Non-staining phenolic antioxidant	0.15-0.4%, KM 08
	Polystyrene	31-35%, KM 03
	Total Extractables	<1.0%, KM 05
Styrene/Rubber Ratio	33/67

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PKRA9819 / 132718

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