Here is t he knowledge of Sendzimir bearing installation 1. Clarify the type of Sendzimir bearing The type of Sendzimir bearing indicates the basic bearing size, original clearance, cage type, seal form, lubrication requirements, etc. Therefore, befo…
With the wide application of polycarboxylate superplasticizer, the requirement of concrete early strength in practical engineering is more and more prominent, so the polycarboxylate superplasticizer has been the focus of research to meet the early st…
New materials for a sustainable future you should know about the protein foaming agent. Historically, knowledge and the production of new materials protein foaming agent have contributed to human and social progress, from the refining of copper and i…
Silicon nitride ceramic materials have excellent properties such as high thermal stability, strong oxidation resistance, and high dimensional accuracy.…