Black Granular Sulfur Silane Coupling Agent of Coupler Solid Form
Product name: Sulfur silane coupling agent
Type : Silane Coupling Agent DS-75C
Chemical Name: Mixture of Bis - [ 3 - ( triethoxysilyl ) - propyl ] - disulfide ( 50% ) and Carbon Black ( 50% )
Small black granule with light odor of ethyl alcohol.
|Test Item||Target Values ( Spec.Limits )|
|Total Sulfur Content (%)||7.2+/-0.7|
|Cyclohexane Extract (%)||≥43.0|
|Chlorine content (%)||≤0.3|
|Ash,(%) 2g,4hours 100+/-25||12.5+/-1.2|
|Volatiles(%) 2hours ,105||≤3.0%|
1. DS-75C is a solid admixture of DS-75 and carbon black. It not only performs the same function as DS-75 but also can be used more easily. It is used to improve physical and mechanical properties of vulcanization.
2. It is able to markedly improve tensile strength, tearing strength and abrasive resistance and reduce compression set of vulcanization. In addition, it is able to reduce the viscosity and improve the process ability of rubber products.
3. DS-75C is suitable to some polymers such as NR, IR, SBR, BR, NBR and EPDM.
4. Furthermore, DS75C’s active principle contains low active disulfide-bond functional group. It can offer the more considerable scorch safety.
Recommend dosage: 2.0-6.0 PHR.
Package and storage
1. Package : 25, 50kg in p
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