Roll Crusher Overview

The roller crusher is one of the oldest crushing machines. Simple structure, less over-grinding phenomenon of crushing, tooth shape of the roller surface, size, arrangement and the like may also vary according to the nature of the material, because of these advantages, is still coal, cement, silicates and other industrial sectors Used, and there are new improvements and developments. This kind of crusher is mainly used in ore crushing operations, but because of large area, low production capacity, has been replaced by a cone crusher in mines metallurgical industry.
The roller crusher can be classified into several types of single rolls, double rolls and multiple rolls according to the number of rolls. According to the shape of the roll surface, it can be divided into two types: smooth roll and flank roll. The crushing mechanism of the smooth roller crusher is mainly crushing; while the crushing mechanism of the toothed roller crusher is mainly crushed, both of which have the effect of grinding. The former is suitable for medium and fine crushing of medium hardness ore; the latter is suitable for coarse and medium crushing of brittle and soft ore.
The specification of the roller crusher is indicated by the diameter D of the roller L.

Carbon Black N330

N330 belongs to hard Carbon Black,

ASTM designation N330

Other names: high abrasion furnace black (HAF)

Physical and chemical properties N330 is the most widely used high wear-resistant furnace carbon black, and its typical properties are as follows:

Iodine absorption value 82G / kg, DBP absorption value 102cm3 / 100g. The wear resistance of carbon black N330 is slightly worse than that of medium super wear-resistant series furnace carbon black, but better than that of groove carbon black.

Usage this product is suitable for tire tread, cord fabric rubber, sidewall and various rubber industrial products. Usage and function this product is a kind of carbon black with good reinforcing performance, which can give the rubber better strength and elongation


Tear resistance, wear resistance and elasticity. The rolling resistance of the passenger tire using this product (in N300 series carbon black) is only greater than N351, which is smaller than other varieties. It also has good dispersion and extrusion performance in rubber. It is suitable for all kinds of synthetic rubber and natural rubber.

N330 is a kind of carbon black with good reinforcing property, which can give the rubber better tensile property, tear resistance, wear resistance and elasticity.

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