Carbon Black N990 (MT Thermal Black)
Carbon Black N990, produced by the thermal (non-channel) process, is the largest particle size commercial carbon black with essentially no structure. It functions primarily as a low-reinforcing filler and processing aid, imparting smooth flow, low hardness, and excellent dimensional stability in extruded and calendered rubber compounds. N990 is widely used in seals, gaskets, and electrical-grade rubber where controlled electrical resistivity and minimal reinforcement are required.
Технические характеристики
| ash (%) | ≤0.50 |
| appearance | Black powder or pellets |
| moisture (%) | ≤1.0 |
| tinting strength (%) | 50–60 |
| DBP absorption (mL/100g) | 43±5 |
| iodine absorption (mg/g) | 9±3 |
Области применения
- Silicone rubber compounds for low hardness seals
- Electrical-grade EPDM cable insulation
- Fluoroelastomer (FKM) molded seals
- Rubber goods requiring precise dimensional tolerances
- Semi-conductive rubber layers in power cables
Особенности продукта
- Largest particle size for minimal reinforcement and low hardness
- Smooth processing on calenders and extruders
- Excellent dimensional stability in molded and extruded parts
- Controlled electrical resistivity for electrical-grade compounds
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