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KRATON® G1657 M Data Sheet

Styrene Ethylene Butylene Styrene Block Copolymer

Supplied by Kraton Polymers LLC

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Product 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 below.

  • Kraton G1657 MS - supplied as a dusted pellet
  • Kraton G1657 MO - supplied as a dusted pellet

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.
General  
Material Status 
  • Commercial: Active
Availability 
  • Asia Pacific
  • Europe
  • Latin America
  • North America
 
Additive 
  • Antioxidant
Features 
  • Antioxidant
  • Copolymer
 
Uses 
  • Adhesives
  • Coating Applications
  • Compounding
  • Plastics Modification
  • Sealants
Appearance 
  • Clear/Transparent
Forms 
  • Pellets
Processing Method 
  • Coating
  • Compounding
 
Physical
Nominal Value
Unit
Test Method
Specific Gravity
 
ASTM D4025
Melt Mass-Flow Rate (MFR) (230°C/5.0 kg)
g/10 min
 
Antioxidant Additive 2
%
Internal Method
Ash Content - S, Silica
%
Internal Method
Polystyrene Content
%
Internal Method
Solution Viscosity - Toluene, 20%wt (77°F)
Pa·s
Internal Method
Total Extractables
%
Internal Method
Volatile Matter
%
Internal Method
Elastomers
Nominal Value
Unit
Test Method
Tensile Stress 3 (300% Strain)
psi
ASTM D412
Tensile Strength 3 (Yield)
psi
ASTM D412
Tensile Elongation 3 (Break)
%
ASTM D412
Hardness
Nominal Value
Unit
Test Method
Durometer Hardness (Shore A, 10 sec, Compression Molded)
 
ASTM D2240
Additional Information
Nominal Value
Unit
Test Method
Diblock Content
 
 
Dust - O
%
Internal Method
Styrene/Rubber ratio
 
 
Uses
Uses may also be described by the following terms: Sanitary Products, Plastics Modification, Plastic Modification, Compounding, Compounds.
Available Documents
Processing - KRATON D & G (English)
Technical Datasheet (English)
Notes
1Typical properties: these are not to be construed as specifications.
2Non-staining phenolic antioxidant
3Typical properties determined on film cast from toluene solution
 
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The information presented on this datasheet was acquired by UL Prospector from the producer of the material. UL Prospector makes substantial efforts to assure the accuracy of this data. However, UL Prospector assumes no responsibility for the data values and strongly encourages that upon final material selection, data points are validated with the material supplier.