| Product Description | ||||
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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 below.
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. |
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| General | ||||
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Material Status
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Availability
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Additive
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Features
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Uses
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Appearance
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Forms
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Processing Method
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| Physical |
Nominal Value
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Unit
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Test Method
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Specific Gravity
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ASTM D4025 |
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Melt Mass-Flow Rate (MFR) (230°C/5.0 kg)
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g/10 min
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No Standard |
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Antioxidant Additive 2
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%
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Internal Method |
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Ash Content - S
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%
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Internal Method |
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Polystyrene Content
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%
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Internal Method |
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Solution Viscosity - Toluene, 20%wt (77°F)
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Pa·s
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Internal Method |
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Total Extractables
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%
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Internal Method |
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Volatile Matter
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%
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Internal Method |
| Elastomers |
Nominal Value
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Unit
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Test Method
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Tensile Stress 3 (300% Strain)
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psi
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ASTM D412 |
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Tensile Strength 3 (Yield)
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psi
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ASTM D412 |
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Tensile Elongation 3 (Break)
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%
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ASTM D412 |
| Hardness |
Nominal Value
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Unit
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Test Method
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Durometer Hardness (Shore A, 10 sec, Compression Molded)
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ASTM D2240 |
| Additional Information |
Nominal Value
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Unit
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Test Method
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Diblock Content
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Styrene/Rubber ratio
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| Related Terminology | |||
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Product names can be difficult to match. You may have searched any one of these terms to find this product: KRATON® G1657 M, KRATON G1657 M, KRATON® , KRATON, KRATONG1657M, G 1657 M, G1657 M, G1657, 1657M, G1657M, Styrene Ethylene Propylene Styrene Block Copolymer, SEPS, Thermoplastic Elastomer, TPE, StyreneEthylenePropyleneStyreneBlockCopolymer, ThermoplasticElastomer, 1657G
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| Uses | |||
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Uses may also be described by the following terms: Sanitary Products, Plastics Modification, Plastic Modification, Compounding, Compounds.
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| Notes |
| 1Typical properties: these are not to be construed as specifications. |
| 2Non-staining phenolic antioxidant |
| 3Typical properties determined on film cast from toluene solution |

