The automobile body is welded by several steel plates. The existence of welds is inevitable. The sealability of the welds is directly related to the quality of the automobile body and the corrosion resistance. It is an important indicator o...

In order to meet the higher requirements of customers and promote the high-quality development of enterprises, the company has invested heavily in introducing a new testing equipment, energy dispersive X-ray fluorescence spectrometer, which...

1 General situation of application of automobile adhesives and sealants From the point of view of the working parts and functions involved in the whole manufacturing process of automobiles, automotive adhesives can be roughly divided into f...

1. Natural rubber (NR) is mainly composed of rubber hydrocarbons (polyisoprene), containing a small amount of protein, water, resin acids, sugars and inorganic salts. It has high elasticity, high elongation strength, excellent tear resistan...

leakage Leakage is one of the common faults of mechanical equipment. There are two main reasons for leakage: first, due to the results of mechanical processing, there must be various defects and shape and size deviations on the surface of m...