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| Item | top grade | first grade | qualified grade |
| Appearance | gray-white powder | gray-white powder | gray-white powder |
| Initial M.P | 106.0 | 104.0 | 103.0 |
| Loss on drying | 0.3 | 0.4 | 0.5 |
| Ash | 0.3 | 0.4 | 0.5 |
| Residues | / | / | / |
| Methanol insoluble | 1.00 | 1.50 | 1.50 |
Provides fast cure rate and high modulus development in NR,SBR,BR and blends.Normally used alone or with small quantities of ultra accelerators in tire compounds or industrial rubber products low poison and high efficiency.It is good back up for NOBS.Be regard as standard accelerator.
RUBBER ACCELERATOR-TBBS(NS)
