Basic accelerators for sulphur cured diene rubber TBBS-75
Basic Accelerator For Sulfur-cured NBR Rubber
Approx. 75 wt% N-tert.-butyl-2-benzothiazol sulfenamide (TBBS/NS)
CAS No.: 95-31-8
EINECS No.: 202-409-1
Approx. 25 wt% polymer binder and dispersing agent
Basic accelerator for sulphur cured diene rubbers, e.g. EPDM, NR, BR, SBR, especially for tire and antivibration applications.
Application to tyre treads, hoses, conveyor belting, shoes and other industrial products.
| Active |
| Color || Filtration |
| Binder || Mooney ML (1+4) |
| Density (g/cm3) |
| Actmix® |
| 75 || White || 200 || EPDM/EVM || 45 || 1.17 |
| *Other binders, such as NBR, SBR, AR, ECO also can be available for. |
Please refer to related MSDS.
Net weight 25kg/PE bags lined carton; N.W. 600 kg/pallet.
Non-wood pallet size: 1.1x1.1x1.0m
Shelf-life: 1 year in its original packaging
Stored in a dry and cool place.
For NR: 0.5-1.0phr with 2.5-3.5phr sulfur; for SBR: 1-1.4phr with 0.2phr Thiurams accelerators and 1.5-2.5phr sulfur.
TBBS can lead to long scorching time of rubber compounds, high processing safety and fast vulcanization rate.
It can be used alone in low-sulfur vulcanization and can also be combined with dithiocarbamates or thiurams
accelerators to improve anti-aging property and modulus of its vulcanizate. Combination with dithiocarbamates
and thiurams accelerators can lower vulcanization rate of rubber compounds significantly. Thioureas accelerators
have obvious secondary acceleration to TBBS, especially in low-sulfur rubber compounds.
TBBS can delay scorching in rubber compounds contained thiols and thiurams accelerators.
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