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Kraton® IR307 Polyisoprene

Category Polymer , Thermoset , Rubber or Thermoset Elastomer (TSE)
Manufacturer Kraton
Trade Name
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
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Material Notes:
Description: Kraton IR307 polymer is a solution polymerized polyisoprene with a high cis-1,4 content. It has a high molecular weight as indicated by its limiting viscosity number of 7.75 dl/g. Region: Asia Pacific, Europe, Japan, North America, and South AmericaUses: A non-staining stabilizer is added at the typical value of 0.1%. Kraton IR307 Polymer is used as a replacement for natural rubber in a wide range of compounds, offering advantages of light color, uniformity and low levels of impurities. Its good flow characteristics produce improvements in mixing and molding behavior. It is sued for food and pharmaceutical packaging and seals, baby bottle teats and health care, adhesives, chemical derivatives of rubbers and very light colored or transparent articles. Kraton IR307 polymer is manufactured to the highest standards but special requirements apply to certain sensitive applications such as food contact and pharmaceuticals. Reference should always be made to local legislation regulating these applications.Applications: Adhesives, Sealant and Coatings; Compounding and Personal Hygiene; Medical; Packaging and Polymod; and Personal CareInformation provided by Kraton®
Physical Properties Metric English Comments
Volatiles <= 0.50 %
<= 0.50 %
ASTM D5668
Ash <= 0.10 %
<= 0.10 %
ASTM D5667
Mechanical Properties Metric English Comments
Tensile Strength >= 21.6 MPa
>= 3130 psi
Cure: 40 mins at 135°C; ISO 37
Elongation at Break >= 428 %
>= 428 %
Cure: 40 mins at 135°C; ISO 37
300% Modulus 0.00860 - 0.0135 GPa
1.25 - 1.96 ksi
Cure: 40 mins at 135°C; ISO 37
Descriptive Properties Value Comments
Content 1,4-Cis
>90%, KM 32
IRB7 industry reference oil furnace carbon black
35 parts by mass
LVN
6.7-9.2 dL/g, KM 33
N-tert-butyl-2-benzothiazile sulphenamide (TBBS)
0.7 parts by mass
Polymer
100 parts by mass
Stabilizer
0.06-0.12%, KM 31
Stearic Acid
2 parts by mass
Sulphur
2.25 parts by mass
Zinc Oxide
5 parts by mass
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