What is the best thing to use to lubricate the pipes of pump trucks?
Regarding the topic of what is better for lubricating pump trucks, I think everyone has to understand it from the following two aspects. Once you understand it clearly, you will have a new understandi…
What is the most important thing in the polyurethane foaming process?
In the foaming process of polyurethane foam, the most important are the gel reaction (reaction between hydroxyl groups and isocyanate) and foaming reaction (reaction between isocyanate and water) A go…
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