The utility model has the advantages that the decorative effect is good, the construction is simple, the drying is rapid, the requirements on the painting environment are not high, the hardness and the brightness are good, the paint film is not easy to be ill, and the repair is easy. The disadvantage is that the solid content is low, and more construction channels are needed to achieve better results; the durability is not so good, especially the internal nitrocellulose lacquer, which has poor gloss and color retention, and is easy to use for a long time. There are disadvantages such as loss of light, cracking, discoloration, etc.; the protective effect of the paint film is not good, it is not resistant to organic solvents, heat-resistant, and corrosion-resistant.
Spring washers are widely used in load-bearing and non-load-bearing structures of general mechanical products. They are characterized by low cost, convenient installation, and are suitable for parts with frequent assembly and disassembly. The spring Washer is installed under the nut to prevent the nut from loosening.
Spring Washer,Conical Spring Washer,Wave Spring Washer,Spring Lock Washer
Jiangsu Jiajie Special Screw Co., Ltd , https://www.jiajiescrewcompany.com