When disassembling an industrial bearing for maintenance, first record the appearance of the industrial bearings , confirm the amount of remaining oil, and sample the lubricant for inspection before cleaning the bearing s. As for cleaning a…
This kind of foaming agent is based on keratin protein of the hoof horn of an animal (cow, sheep, horse, donkey, etc.) as the primary raw material, adopts a specific process to extract fatty acids, then add hydrochloric acid, magnesium chloride and o...…
When constructing monolithic structures made of foam concrete, it is necessary to observe the temperature conditions of holding and drying and the design features of formwork systems. The greatest problems arise at low positive and, especially, at ne...…
The chemical composition of hollow glass brick is inorganic silicate minerals such as high-grade glass sand, soda ash, quartz powder, etc. The raw material is melted at high temperatures and processed through fine processing. It is non-toxic, harmles...…
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