N-nitrosamines-free accelerator TP-50
Special rubber accelerator for EPDM and other diene rubber, do not contain can form harmful nitrosamine secondary amine.
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Zinc dialkyldithiophosphate
Properties:
TP is a special accelerator for EPDM containing sulfur, ZnO, thiazoles and thiurams accelerators. It can lead to high degree of cross-linking and non-blooming when dosage is up to maximum recommended amount.
Dosage: Usually is 2-4phr. If used in compound with large amount of fillers(carbon black, mineral fillers or processing oil), the best dosage of TP-50GE can be up to appro. to 5phr.
Recommend formula:
NR: EPDM:
TP-50 2.0 - 3.4 phr TP-50 2.0 - 3.4 phr
TMTM-80 0.3 - 0.6 phr TMTD-80 0.3 - 1.0 phr
MBTS-80 0.6 - 0.9 phr MBT-80 0.6 - 1.9 phr
S-80 0.3 - 0.6 phr S-80 1.2 - 3.2 phr
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PRODUCT…