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Rubber Coupling Agent Si-69


Chemical name: bis-(γ- tristhoxysilylpropyl)-tetrasulfide

Structure:

CAS No.: 40372-72-3

SPECIFICATION:

Item

Liquid

Appearance

Yellow transparent liquid

Flash point     °C      ≥

100.0

Total sulfur content   %

22.7±0.8

Chlorine content     %   ≤

0.40

Impurity            %   ≤

4.0

Density   g/cm3

1.080-1.090


Properties: Excellent vulcanizations agent for natural and synthetic rubber; To improve obviously the performances of vulcanized rubber in anti-reversion and fatigue resistance. May ameliorate reinforcing properties and anti-tearing properties by using Si-69 together with silica white. To improve the dynamic performance of manufactured goods and prolong the service life of articles. Having perfect effects on semi-efficiency vulcanization system; Non-toxic and non-corrosive.


Applications: It is suitable for natural and synthetic rubber, mainly used in kinds of rubber products such as tires (tires surface or foundation), rubber-roll, conveyer belt surface, agglutination of iron-brush thread, cable insulation, cable covering, rubber shoes sole and so on. Usages: Si-69 is added directly into rubber compound under mixed abstraction. The normal consumption is 2-5 portions.


Packing: In 10/25/200kgs drums.


Storage: Keep container tightly closed in a cool, well-ventilated place.


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