|Chemical name||N-tert-butyl-bis(2-benzothiazole) hypoxanthimide|
Rubber Accelerator TBSI is a primary amino-based accelerator. It does not produce nitrosamine carcinogens during vulcanization. Compared with secondary amine sulfenamides and NS, it has better scorch safety and slower. Vulcanization rate, high modulus, good vulcanization flatness. Vulcanized rubber has a good dynamic performance and low heat generation, and is a good accelerator. The amount is equivalent to other sulfenamide accelerators.
1：Vulcanization characteristics, storage stability and physical and mechanical properties of vulcanization accelerator TBSI in styrene-butadiene rubber. The results show that Rubber Accelerator TBSI vulcanization rate is similar to that of TBBS, and the scorch is better than TBBS, CZ and TMTD. After vulcanization at 105 °C for 4 h, the 300% proof stress retention rate of vulcanizate with TBSI as promoter is above 70%. Less than 60% of TBBS. After being placed in hot air at 100 ° C for 4 h, the scorch time was 21 min, while TBBS and CZ were 11 min and 8 min, respectively.:
2：Rubber Accelerator TBSI is a kind of non-polluting rapid vulcanization accelerator. It does not change color and does not spray. It has good effect in the sole formula of light-colored products such as transparent natural rubber. This product is best used together with other accelerators. It has good anti-reversion effect and produces anti-heating and aging effect on vulcanized rubber. It is suitable for all kinds of general rubber and rubber products. Rubber Accelerator TBSI is especially suitable for the curing system of EPDM. This product has good hydrolysis resistance.
Storage in a cool, dry, well-ventilated area, avoiding exposure of the packaged product to direct sunlight. Usually it can be store on 12 month with the common storing condition.
Recommend use of date is within 6 months.
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