Silane Couping Agent
​Coupling agents are used in the rubber industry to improve the wear resistance and ageing resistance of tyres, rubber sheets, rubber tubes, rubber shoes and other products, and to reduce the amount of natural rubber, thus reducing costs.

Product Details

Coupling agents are used in the rubber industry to improve the wear resistance and ageing resistance of tyres, rubber sheets, rubber tubes, rubber shoes and other products, and to reduce the amount of natural rubber, thus reducing costs.


ELD-YG69

ELD-YG69 can be used in the rubber industry to improve the modulus and tensile strength of rubber, reduce the viscosity of rubber and save energy consumption in the process. It is particularly suitable for rubber formulations with polymers containing double bonds or with hydroxyl fillers. Suitable fillers include silica, silicates, clays, etc. Suitable rubbers include natural rubber (NR), styrene butadiene rubber (SBR), isoprene rubber (IR), butadiene rubber (BR), nitrile rubber (NBR), ethylene propylene diene rubber (EPDM), etc.


Translated with www.DeepL.com/Translator (free version)

Testing Item Unit Standard Testing Method
Density g/cm31.060--1.100GB/T 4472
Total sulphur % 21.0-23.0ASTM D6741
S2 Content HPL%30.0+/-4.0ASTM D6844
S3 Content HPL %24.0+/-3.0ASTM D6844
S4 Content HPL%27.0+/-3.0ASTM D6844
S25-S8Content HPL %17.0+/-3.0ASTM D6844
 Refractive Index 
 1.48+/-0.02GB/T 6488
 Appearance
Yellow or light yellow transparent liquid
 Specific gravityg/cm31.080+/-0.02GB/T 4472
 Average Sulfur Chain Length
3.75+/-0.15ASTM D6844

ELD-YG75

ELD-Si75 is used in the rubber industry to improve the modulus and tensile strength of rubber, to reduce the viscosity of the rubber, to save process energy, to optimise the manufacture of polypropylene, to cross-link polyethylene, to produce thermoplastic vulcanisation rubber and, in addition, to produce silica reinforced rubber for raw tires. The low reactive disulphide group in Si75 provides more reliable anti-scorch properties than in Si69.


Translated with www.DeepL.com/Translator (free version)

Testing Item Unit Standard Testing Method
Density g/cm31.020--1.060GB/T 4472
Total sulphur % 13.3-15.5ASTM D6741
 Refractive Index 
 1.4500-1.4900GB/T 6488
S2 Content HPL%85.0+/-5.0ASTM D6844
S4-S8 Content HPL%≤ 10.0ASTM D6844
 Appearance
light yellow transparent liquid
 Average Sulfur Chain Length
2.20+/-0.15ASTM D6844


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