Mercure MBT is semi ultra-fast accelerator / its combinations with booster accelerators are used in NR, SBR, NR-SBR/BR blends, NBR, IIR, EPDM and other synthetic rubber based compounds used for the manufacture of motor cycle and scooter tyres, butyl tubes, cycle tyres and tubes, beltings, retreading materials, footwear, hot air cured products, hoses, cables and miscellaneous molded and extruded rubber products.
| TEXT | NOMINAL VALUE | METHOD |
| Melting point initial (°C) | 170.0 Min. | ASTM D1519A |
| Melting point Final (°C) | 175 .0 Min | ASTM D1519A |
| Loss on drying 105°C / 2 hrs. (%) | 0.50 Max. | ASTM D 4571 |
| Ash Content 760°C/ 2 hrs. (%) | 0.30 Max. | ASTM D 4574 |
| Fineness though 100 mesh (%) | 99.90 Min | ASTM D 5461 |
| Assay by titration (%) | 95.0 Min | In house method |
| Oil Content (%) | 1.0 – 2.0 | In house method |
| ADDITIONAL INFORMATION | ||
| Methanol Insolubles (%) | 1.5 Max. | ASTM D 4934 |
| Specific gravity at RT | 1.45 – 1.55 (Typical Value) | ASTM D 1817 |
| Bulk Density (kg/m3) | 450 – 550 | In house method |
| Packaging: | Open mouth HDPE fabric bag with paper on the outside. 25 kgs.Net. | |
| Storage Life: | Two years from the date of production. | |
| Storage conditions: | Keep cool and dry in original packaging. | |
| Product Safety: | Relevant safety data and references as well as the necessary hazard warning labels can be found in the safety data sheet. | |
This information and our technical advice – whether verbal, in writing or by way of trials – are given in good faith but without warranty, and this also applies where proprietary rights of third parties are involved. Our advice does not release you from the obligation to check its validity and to test our products as to their suitability for the intended processes and uses. The application, use and processing of our products and the products manufactured by you on the basis of our technical advice are beyond our control and, therefore, entirely your own responsibility. Our products are sold in accordance with our General Conditions of Sale and Delivery.
| TYPICAL DOSAGES OF MERCURE MBT | |||||||
| Product | Rubber | Accelerator / Sulphur, phr | |||||
| MBT | MBTS | MBS | TMTD | ZDEC | S | ||
| Motor Cycle, Scooter Tyre Treads |
NR- SBR / BR |
0.8-1.0** | – | – | 0.07-0.15 | – | 2.2-2.75* |
| Auto Tubes | IIR | 0.5 | – | – | 1.0 | 0.0-0.2 | 1.5 |
| Cycle Tyre Treads | NR-RR NR-SBR / BR |
0.6** 0.8** |
0.3 0.4 |
– | 0.1-0.15 0.1-0.2 |
– | 2.2-2.5 2.2 |
| Conveyor Belt Cover | NR SBR |
0.70** 1.0** |
0.25 0.4 |
– | 0.0-0.15 0.0-0.20 |
– | 2.75* 2.2 |
| Transmission Belts General Purpose Heat Resistant |
NR NR |
0.3 0.5 |
– | 0.8 – |
– 2.0-2.5 |
– | 3.0 0.3 |
| V Belts Base Cushion |
NR NR |
0.2 0.4 |
– | 0.6** 0.6** |
– | – | 3.0 2.4 |
| Retreading Materials Cushion-Hot Cure Cushion-Cold Cure Vulcanizing Solution |
NR NR NR |
0.2 1.0 0.6 |
– – 0.4 |
0.7** – – |
– TMTM-0.2 – |
– | 2.4* 2.4* 4.0* |
| Footwear DV Soles Microcellular Soles Neolite Soles |
NR-SBR NR-SBR NR-SBR |
0.8 1.0 1.0 |
– | – | 0.2-0.3 0.1-0.2 0.1-0.2 |
– | 2.0 2.3 2.5 |
| Hot Air Cured Products Rubberized Fabric and Rubber Sheeting |
NR | 0.8 | – | – | – | 0.3-0.4 | 2.5 |
| Cables | NR SBR |
1.0 1.5 |
– | – | TMTM 0.2-0.3 |
– | 1.2 1.0 |
| Misc. Molded and Extruded Products |
NR SBR NBR |
0.8-1.0 1.2-1.5 1.2-1.5 |
– | – | 0.0-0.2 | – | 2.4 2.2 1.5 |
| Note: * Insoluble Sulphur (100% active content basis) ** PVI (Retarder) may be incorporated at 0.2-0.3 phr levels for desired scorch safety, ensuring compliance with vulcanizate properties. |
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| MERCURE MBT BASED CURE SYSTEMS FOR SULPHUR CURED EPDM PRODUCTS | |||||
| Accelerator & Sulphur |
Cure Systems (phr) | ||||
| A | B | C | D | E | |
| MBT | 0.5 | 1.5 | 1.5 | 2.0 | 1.5 |
| TMTD | 1.5 | 0.8 | 1.0 | 0.8 | 0.8 |
| ZDEC | – | – | – | 0.8 | – |
| ZDBC | – | 2.5 | 2.5 | 1.0 | – |
| CBS | – | – | 1.0 | – | – |
| TeDEDC | – | – | 1.0 | – | 0.8 |
| DPTTS | – | – | – | – | 0.8 |
| Sulphur | 1.5 | 2.0 | 1.8 | 2.0 | 0.5 |
| Cure System | Characteristics | ||||
| A | Low cost, Medium cure rate, Satisfactory vulcanizate properties, may bloom. | ||||
| B | General purpose, Very good cure rate and vulcanizate properties, Non-blooming. | ||||
| C | Low compression set, Faster cure rate, Good vulcanizate properties, Non-blooming. | ||||
| D | Low cost, faster cure rate, Good vulcanizate properties, Non-blooming. | ||||
| E | General purpose, Very fast cure rate and excellent vulcanizate properties, Non-blooming but little scorchy. | ||||
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