Kraton FG1901 G is a clear, linear triblock copolymer based on styrene and ethylene/butylene with a polystyrene content of 30%. It is
supplied from North America in the physical form identified below.
FG1901 GT - supplied as a dusted pellet
Kraton FG1901 G is used as a modifier of bitumen and polymers. It is also suitable as an ingredient in formulating compounds for
footwear applications and may be used in formulating adhesives, sealants, and coatings.
Sales Specifications
Property Test Method Units Sales Specification Range Notes
Melt Flow, 230C/5000g ASTM D1238 g/10 min 14 TO 28
Maleic anhydride, Bound BAM 1026 %w 1.4 TO 2.0
Water BAM 1024 ppmw = 500 a
a At time of packaging
Typical Properties (These are typical values and may not routinely be measured on finished product)
Property Test Method Units Typical Value Notes
Melt Index 230°C, 5 kg ASTM D 1238 gms/10 min. 22
Hardness, Shore A ASTM D 2240 Shore A (10 sec) 71 b
Tensile Strength ASTM D 412 psi 5000 a
Elongation at Break ASTM D 412 % 500 a
Specific Gravity ASTM D 792 g/cc 0.91
Solution Viscosity BAM 922 cps 5000 c
Styrene / Rubber ratio n/a 30/70
a Typical properties determined on film cast from toluene solution.
b Typical values on polymer compression molded at 300F.
c 25%w toluene solution at 25C
Packaging
Kraton Polymers are available in a number of different package types. For information specific to this g