In surface treatment, nitric acid is commonly used for pre-treatment cleaning purposes. During its use, some substances will be indirectly generated, which are the "nitrate nitrogen" and "ammonia nitrogen" we are going to mention this time.

In the surface treatment industry, we often hear relevant technicians mention the three words hydrophilicity, water repellency and hydrophobicity for surfaces. When we mention these terms, we think of "lotus". As we all know, when rain falls on leaves, the water does not disperse, but appears on the surface as water droplets. The main reason for...

When using chemical products, you often hear people mention the word "halogen". Questions such as "Does this product contain halogen?" or "What is the specific content of halogen?" are often asked. Let's learn about halogen here!

What is a color matching light box?