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Kraton® G1657 M (SEBS) Linear Block Copolymer
| Category | Polymer , Thermoplastic , Elastomer, TPE |
| Manufacturer | Kraton |
| Trade Name | |
| Port | Shanghai port,China |
| Trade Terms | FOB, CFR, CIF |
| Payment Terms | L/C, T/T, Western Union |
| Download PDF | Kraton® G1657 M (SEBS) Linear Block Copolymer.pdf  |
| Price | EMAIL US sales@lookpolymers.com |
Material Notes:
Description: Kraton G1657 M is a clear, linear triblock copolymer based on styrene and ethylene/butylene with a polystyrene content of 13% . It is supplied from North America in the physical form identified: Kraton G1657 MS - supplied as a dusted pelletKraton G1657 MO - supplied as a dusted pelletRegion: Asia Pacific, Europe, Japan, North America, and South America Uses: Kraton G1657 M 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; Compounding and Personal Hygiene; Impact Modification; Medical; Packaging and Polymod; and Personal Care
| Physical Properties | Metric | English | Comments |
|---|---|---|---|
| Specific Gravity | 0.900 g/cc | 0.900 g/cc | ASTM D4025 |
| Volatiles | <= 1.0 % | <= 1.0 % | KM 04 |
| Brookfield Viscosity | 1200 - 1800 cP @Temperature 25.0 °C |
1200 - 1800 cP @Temperature 77.0 °F |
20% Toluene solution; BAM 922 |
| Melt Flow | 22 g/10 min @Load 5.00 kg, Temperature 230 °C |
22 g/10 min @Load 11.0 lb, Temperature 446 °F |
|
| Ash | 0.020 - 0.12 % | 0.020 - 0.12 % | For G1657 MS, Silica dusted; BAM 908 |
| Mechanical Properties | Metric | English | Comments |
|---|---|---|---|
| Hardness, Shore A | 47 | 47 | 10 seconds. Typical values on polymer compression molded at 150°C (300°F).; ASTM D2240 |
| Tensile Strength, Ultimate | 23.44 MPa | 3400 psi | Typical properties based on film cast from toluene solution.; ASTM D412 |
| Elongation at Break | 750 % | 750 % | Typical properties based on film cast from toluene solution.; ASTM D412 |
| 300% Modulus | 0.00241 GPa | 0.350 ksi | Typical properties based on film cast from toluene solution.; ASTM D412 |
| Chemical Properties | Metric | English | Comments |
|---|---|---|---|
| Diblock Content | 30 % | 30 % |
| Descriptive Properties | Value | Comments |
|---|---|---|
| Content | Dust, O | 0.45-0.75%, KM 1029 |
| Non-staining phenolic antioxidant | 0.03-0.10%, KM 08 | |
| Polystyrene | 12.3-14.3%, KM 03, Measured on the polymer before hydrogenation | |
| Total Extractables | <1.5%, KM 05 | |
| Styrene/Rubber Ratio | 13/87 |
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