Aug 07, 2023
1. Classification of high-end metal materials New metal materials can be divided into high-performance metal structural materials and metal functional materials according to their
Aug 04, 2023
1. Gate valve Gate valve refers to the vertical movement of the closing element (gate) along the axis of the medium channel of the valve. Its advantages are small flow resistance c
Jul 31, 2023
Heat treatment refers to a metal thermal processing process in which materials are heated, kept warm and cooled in a solid state to obtain the desired structure and properties. 1.
Jul 27, 2023
10. What are the technical elements in the pigment dispersion process? Pigment dispersion referred to in paint production generally refers to the stable and uniform dispersion of p
Jul 26, 2023
5. What is the meaning of solvent resistance of pigments? In the production of coatings, we must disperse the pigments uniformly and stably in most of the organic base materials (c
Jul 24, 2023
(1) carbon structural steel (carbon structural steels); (2) low alloy high strength structural steel (high strength low alloy structural steels); (3) High-quality carbon structural
Jul 21, 2023
Galvanized and nickel-plated are both anti-corrosion, but nickel-plated is more beautiful and wear-resistant than galvanized, but the cost of nickel-plating is higher What is the d
Jul 19, 2023
To put it simply, "water treatment" is the process of removing some harmful substances that are not needed for production and life in water through physical, chemical and biologica
Jul 18, 2023
1. What adverse effects will the separation of different pigments in the paint have on the entire system? In the paint industry, it is very common for pigments to separate from eac
Jul 17, 2023
1. The surface condition of the sealing surface The shape and surface roughness of the sealing surface have a certain influence on the sealing performance, and the smooth surface i
Jul 14, 2023
Grinding is a commonly used finishing method for the sealing surface of valves in the manufacturing process. Grinding can make the valve sealing surface obtain high dimensional acc
Jul 12, 2023
Non-destructive testing is to use the characteristics of sound, light, magnetism, and electricity to detect whether there is a defect or inhomogeneity in the object to be inspected