Carbon Black comes in many different varieties. The carbon black that works perfectly in truck tires is not the right choice for conductive compounds. Selecting the carbon black with just the right features is the first important step towards a successful end product.Pigment Carbon Black
The most important factor affecting the electrical performance of carbon black is its structure. Particle size and porosity also have an impact on the electrical behavior of the electrically conductive compound.
Factors that improve electrical conductivity:
- High structure: high structure means that the carbon black agglomerates form long and branched chains. Such a structure is ideal for conductive compounds – the required conductivity can be reached with lower loading levels.Carbon Black N330
- Small particle size: smaller size means higher electrical conductivity. If the particles are small and relatively uniform in shape, their surface area is larger than otherwise. Extra conductive carbon blacks, with the smallest particle size, provide the highest electrical conductivity.
- High porosity: higher particle porosity enables better electrical conductivity.