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Kraton® D4274B (O/E SBS) Branched Block Copolymer

Category Polymer , Thermoplastic , Styrene-Butadiene , Styrene/Butadiene/Styrene (SBS)
Manufacturer Kraton
Trade Name
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Kraton® D4274B (O/E SBS) Branched Block Copolymer.pdf
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Material Notes:
Description: Kraton® D4274B is an oiled, branched copolymer based on styrene and butadiene with bound styrene in the neat polymer of 49% mass. It is supplied from South America in the physical form identified: D4274BT supplied as a dusted pelletD4274BS supplied as a dusted pelletRegion: South America, Europe, Asia Pacific, North America, and Japan Uses: Kraton D4274B is used for formulating compound for footwear and general purpose applicationsApplications: Compounding and Personal Hygiene; Footwear; Adhesives, Sealant and Coatings; Bitumen Modification; Impact Modification; and Roads and RoofingInformation provided by Kraton®
Physical Properties Metric English Comments
Specific Gravity 0.940 g/cc
0.940 g/cc
ISO 2781
Bulk Density 0.400 g/cc
0.0145 lb/in³
ASTM D 1895 method B
Volatiles <= 0.70 %
<= 0.70 %
KM 04
Brookfield Viscosity 14 - 26 cP
14 - 26 cP
25% Toluene Solution at 25°C; KM 05
Melt Flow 20 g/10 min

@Load 5.00 kg,
Temperature 200 °C
20 g/10 min

@Load 11.0 lb,
Temperature 392 °F
ISO 1133
Ash <= 0.50 %
<= 0.50 %
Product form "S" or "T"; ISO 247-B
Mechanical Properties Metric English Comments
Hardness, Shore A 83

@Time 15.0 sec
83

@Time 0.00417 hour
Measured on films cast from a solution in toluene; ISO 868
Tensile Strength 14.0 MPa
2030 psi
Measured on compression molded slabs; ISO 37
Elongation at Break 890 %
890 %
Measured on polymer compression molded at 300°F; ISO 37
300% Modulus 0.00410 GPa
0.595 ksi
Measured on compression molded slabs; ISO 37
Abrasion 175
175
[cubic mm]; DIN 53516
Descriptive Properties Value Comments
Content Antioxidant
>0.25%, KM 08
Bound Styrene
47-51%, KM 03
Total Extractables
29.5-32.5%, KM 05
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