中文无码熟妇人妻av在-中文无码视频三区四区在线观看-中文无码视频-中文无码肉感爆乳在线-中文无码日韩欧免费视频-中文无码日韩欧毛

Present situation and application prospect of atomic ash for automobile

 

The production and application of atomic ash for automobile at home and abroad are summarized. In view of the actual situation of domestic atomic ash products, the evaluation method of the quality of atomic ash products is put forward, and the market prospect of atomic ash is analyzed and predicted. For the application of descriptors coating, automobile putty is a kind of filling material, also called filling or putty, which is mainly used for filling seams and depressions before coating, so as to make the appearance flat and smooth. It is widely used in automobile, motorcycle, ship, machine tool, instrument, woodworking furniture and other manufacturing industries.

Traditional putty is made of gypsum, calcium carbonate, tung oil (or linseed oil), and can also be directly prepared with some coatings. Its biggest disadvantages are slow curing speed, large shrinkage, poor strength, weak adhesion, and a large number of volatile solvents are harmful to the health of the operator and the safety of the operation site. At present, the traditional putty has been eliminated in automobile, machinery manufacturing and other industries and is rarely used.

 

Atomic ash is getting more and more attention and favor. Atomic ash is actually a kind of putty, which is officially called polyputty. It includes two components a and B. Component A is mainly composed of unsaturated polyester resin, accelerant, toughener, dispersant and filler. Component B is mainly composed of initiator, pigment and filler. When using, adjust the two components a and B in proper proportion.