KRATON® G1657 M Datasheet

Styrene Ethylene Butylene Styrene Block Copolymer

Supplied by Kraton Polymers LLC

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Product Description
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.

  • Kraton G1657 MS - supplied as a dusted pellet

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.
General  
Material Status 
  • Commercial: Active
Availability 
  • Africa & Middle East
  • Asia Pacific
  • Europe
  • Latin America
  • North America
Additive 
  • Antioxidant: 300 to 1000 ppm
Features 
  • Antioxidant
  • Block Copolymer
  • Linear Polymer Structure
Uses 
  • Adhesives
  • Asphalt Modification
  • Coating Applications
  • Compounding
  • Plastics Modification
  • Sealants
Appearance 
  • Clear/Transparent
Forms 
  • Pellets
Processing Method 
  • Compounding
Physical
Nominal Value
Unit
Test Method
Density / Specific Gravity
 
ASTM D4025
Melt Mass-Flow Rate (MFR) (230°C/5.0 kg)
g/10 min
 
Solution Viscosity 2
mPa·s
Internal Method
Ash Content - S
wt%
Internal Method
Polystyrene Content 3
%
Internal Method
Total Extractables
%
Internal Method
Volatile Matter
%
Internal Method
Elastomers
Nominal Value
Unit
Test Method
Tensile Stress (300% Strain)
psi
ASTM D412
Tensile Strength
psi
ASTM D412
Tensile Elongation (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
 
 
Features
Features may also be described by the following terms: Block Copolymer, Linear Polymer.
Uses
Uses may also be described by the following terms: Plastics Modification, Plastic Modification, Compounding, Compounds.
Available Documents
Technical Datasheet (English)
Notes
1Typical properties: these are not to be construed as specifications.
220%w toluene solution at 25°C
3Measured on the polymer before hydrogenation.
 
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