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Insoluble sulfur is an important rubber additive agent. Insoluble sulfur 7720 is one of it.It improves product quality, wearability and resistance to both fatigue and ageing. In addition to being universally recognized as the best vulcanizing agent, Insoluble sulfur 7720 is widely used in the manufacture of tire, rubber pipe, shoes, cable and wire insulating materials, latex, all kinds of automobile rubber parts and is also a necessary component of belt tires. Therefore, due to its non-blooming characteristic, Insoluble sulfur 7720 is widely used in the manufacture of radial rubber and other synthetic rubber products, also in the light-colored rubber products in which common sulfur is incorporated in high proportion.
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Our companyfounded in 2011, with an initial investment of more than 100 million yuan, Jianbo is an enterprise specializing in the production of Insoluble sulfur 7720 of rubber vulcanizing agent, integrating scientific research, development, production and management. The products have been tested and used by many famous tire companies at home and abroad, which shows that the quality has reached the advanced level of similar products in the domestic and foreign industry, and enjoys a good reputation.
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The product is wrapped in plastic bag, net weight is 25Kg per bag
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Insoluble sulfur should be stored in a dry, clean and cool place which temperature should be less than 40℃
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PROJECT |
INDEX |
IS 7720 |
|
APPERANCE |
YELLOW POWDER (NO FLY) |
HEATING LOSS/% W |
0. 50 |
ASH SPECIFICATION W |
0.3 |
SCREENINGS(150μm) /% W |
0.3 |
ACIDITY (H2SO4)/% < |
0.05 |
TOTAL SULFUR CONTENT /% > |
79 〜81 |
INSOLUBLE SULFUR CONTENT > |
77 |
OIL CONTENT /% |
19 〜21 |
THERMOSTABILITY(105℃)/% |
80 |
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