About |
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KER® 1739 is a grade of oil extended styrene-butadiene rubber. It is produced by a technology of cold emulsion copolymerization based on soaps of rosin and fatty acids and contains 40.0% of chemically bonded styrene. It is coagulated by a system of acid and synthetic coagulant, contains 27% (37.5 PHR) of extender oil with reduced content of polycyclic aromatics (TDAE grade) and is stabilized by a staining antioxidant. APPLICATION KER® 1739 is appropriate for rubber compounds used for production of tyres including tyre re-treading and various technical rubber articles. It is not approved for production of rubber articles coming into contact with food or drinking water.&& |
Product Description | |
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Generic | SBR-乳液聚合 |
Material Status | Commercial: Active |
Features | Inoxidizability,Copolymer |
Availabilitys | Europe |
Technical Data | |||
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PHYSICAL | Nominal value | Unit | Test method |
Mooney viscosity | |||
ML 1+4,100℃ | 50 to 60 | MU | ASTM D1646 |
Combined with styrene | 38.5 to 41.5 | % | ASTM D5775 |
oil content | 25 to 29 | wt% | ASTM D5774 |
Organic Acid | 4.0 to 6.0 | wt% | ASTM D5774 |
Soap | < 0.4 | wt% | ASTM D5774 |
Ash Content | < 0.4 | % | ASTM D5667 |
Volatiles | < 0.80 | wt% | ASTM D5668 |
Notes |
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1. Typical properties: these are not to be construed as specifications. |
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