[White oil procurement and supply] White oil can be used as softener and internal lubricant
White oil usually refers to white mineral oil. It is a special, deeply refined mineral oil. It has good oxidation stability, chemical stability, light stability, colorless, odorless, and does not corr…
[Lubricant supply] The differences and relationships between external lubricants and internal lubricants
Lubricant is a lubricating medium used to reduce the frictional resistance of the friction pair and slow down its wear. Lubricant can also play a role in cooling, cleaning and preventing contamination…
Give examples to illustrate the difference between internal mixing and external mixing of concrete admixtures
The so-called internal mixing of concrete admixtures can replace part of the cement. Silica fume is used to replace the cement. There are two types: equal replacement and partial replacement. The equa…
Routine inspection of early-strength superplasticizer and internal inspection of raw materials before experiment
According to professionals: In actual industry, routine testing of early-strength water-reducing agents is required, mainly including: solid content, density, fineness, PH value, surface tension, chlo…
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