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Ningbo Actmix Rubber Chemicals Co., Ltd.


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Thiourea Accelerators

Product categories of Thiourea Accelerators, we are specialized manufacturers from China, Thiourea Accelerators, Thiourea Rubber Accelerator suppliers/factory, wholesale high-quality products of Ethylene Thiourea Vulcanizing Accelerator R & D and manufacturing, we have the perfect after-sales service and technical support. Look forward to your cooperation!


China Thiourea Accelerators Suppliers

The Thiourea Accelerators have low promotion performance and poor scorch resistance. In addition to the chloroprene rubber and chlorinated polyethylene used for the promotion and cross-linking function, other diene rubbers are rarely used.

New thiourea accelerators are currently investigating new types of accelerators in order to obtain accelerators with high vulcanization acceleration, good process safety, good resistance to reversion, and high aging resistance. (1) Among the most important triazine accelerators are bis(2-methacryloyloxy)ethylthiourea, ethylamino-4-diethylaminotriazinyl-6) disulfide, This product is more efficient than ordinary accelerators, it cures faster and it is safer to process. The vulcanization speed in natural rubber is similar to the accelerator NOBS, and the processing safety is intermediate between NOBS and CZ. When used in small amounts, in the range of 1.5 to 2.35 parts of comb yellow natural rubber, only 0.3 parts can replace 0.5 parts of sulfenamide. This accelerator can improve the reversion properties of thioglycollane under low sulfur content. The product is used in butylbenzene degumming, isoprene rubber and butyronitrile. (2) Such accelerators as thiocarbamoyl sulfenamide mainly include N-oxydiethylenethiocarbamoyl-N-oxydiethylene sulfenamide. Such accelerators have high safety and cure speed. Fast, great promotion. Suitable for styrene-butadiene rubber, nitrile rubber, EPDM rubber and other general-purpose synthetic rubber. The amount of vulcanizate used was 0.67 parts faster than 1 part sulphonylation accelerator. And can get satisfactory operational safety performance. 149 °C above the activity is very large, but less than 149 °C can be added a small amount of accelerator NOBS, M or DM. (3) Thiol Acetate Bis(diethylthiophosphoryl) trisulfide This accelerator can be used as a sulfur donor in natural rubber. When partially or completely replacing sulfur, the heat resistance of the vulcanizate can be improved, and vulcanization reversion and compression deformation properties can be improved at high temperature vulcanization. It is an excellent accelerator in EPDM rubber, safe in operation, fast in vulcanization, excellent in heat resistance and non-blooming, and excellent in resistance to compression deformation. Unlike many other accelerators and sulfur and sulfur donors, it does not cause degradation when the polyester fiber is in contact with rubber.

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