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  • TMTD-75GE.jpg

Number:

4-2

First TMTD (TT)-75


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  • Chemical composition: Tetramethylthiuram disulfide
  • Complex carrier: EPDM
  • Characteristics: Acts as a superaccelerator for both natural and synthetic rubber; features an effective sulfur content of approximately 9.98%, making it suitable for use as a vulcanizing agent in low-sulfur and EV systems. It exhibits a critical vulcanization temperature of 100°C and is commonly employed—either as a primary or secondary accelerator—in diene rubbers such as NR, SBR, IR, BR, and NBR, often combined with CTP to enhance scorch safety in the compound. When used as a primary accelerator, it must be paired with zinc oxide and stearic acid; alternatively, it frequently serves as a secondary accelerator alongside thiazole-based accelerators. Additionally, it can be integrated into continuous vulcanization systems when combined with other accelerators. It also functions as a scorch retardant for non-sulfur-modified chloroprene rubber (CR).

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