Silica is the general term for vein quartz, quartzites and quartz sandstones. It is mainly used to produce acid refractory bricks in metallurgical industry. Pure silica can be used to make quartz glass or refine monocrystalline silicon. In chemical i...

Perlite is a glassy rock from the acid lava after volcanic eruption and rapid cooling.Perlite ore includes perlite, obsidian and pitchstone. The difference between them is that perlite has a circular arc-shaped crack due to condensation, its water co...

Recently, after the last debug testing, Kefids C6X series jaw crusher has been successfully launched. The equipment adopts the worlds leading crushing technology and can make efficient primary crushing for all kinds of hard ores and rocks. C6X series...

The main component of bauxite is alumina oxide. Bauxite is a soil-like mineral. It is white or gray. The density is 3.45g/cm3.The hardness is 1 to 3. Bauxite is mainly used in aluminum metallurgy, refractory system. The application of bauxite general...

With the beneficiation scale increased, the number of tailings produced also increased which caused many problems to mining and environment. VU aggregate optimization system developed by Kefid can turn tailings waste into treasure. After being crushe...

Recently, Kefids large limestone powder production line in South Africa has been officially put into operation. The production line is configured with 2 sets of MTW175 European type grinding mill.The capacity is up to 30 tons per hour which exceeds c...