Tungsten rod, also known as Tungsten alloy rod. This is made by reworking metal powders at high temperatures with special high-temperature powdermetallurgy methods. It exhibits good thermal conductivity and a low thermal expansion coefficient. abou…
In this article, the set retarder, the air-entraining agent, and the accelerating agent are going to be talked about.…
Coconut oil fatty alanine sodium is a very mild ammoniac surfactant. It can foam in an acidic environment, and is not affected by oils. It has excellent resistance to hard water and salt. It is also easy to wash. Coconut oil fatty Acid Sodium Alani…