How does the mixer paint off?
One, in addition to the old paint
1 ) Remove the old paint that needs to be touched with a nylon abrasive cloth wheel, etc.;
2 ) Use an electric fan to heat and soften the old lacquer layer, then use a spatula to remove the old lacquer layer;
3 ) Remove old paint with paint stripping agent (used for damaged film layer). To use water paint remover as well. Finally, derusting and cleaning damage areas have been organized for the depainted parts.
Second, the old paint to identify
1 ) Sandpaper sanding method: sanding with No. 600 sandpaper, generally speaking, if it is sticky, soft, or colored on sandpaper, it is a single-layer paint;
No color on the paper is double paint, that is, it is covered with varnish. The more solid coating is a two-component paint.
2 ) Thinner Wipe film method: Wipe the old paint film with a cloth thinner. In general, if the paint film is softened or dissolved, it is a single-layer paint; if the paint film is strong, it is a high-temperature paint or two-component paint. Â Â Â
Third, fill the ash
Use putty to fill scars and pits. The ash is divided into single-component and two-component components; it is divided into light ash, heavy ash, fiber ash and plastic ash. General light gray fill pits to reduce weight. Heavy ash is also called metal ash. It contains metal powder, high strength, and is not easy to crack. It can be thickly filled. Fiber ash is used to fill holes 6mm in diameter. For holes 6mm higher, a layer of fiber cloth should be applied before filling. Plastic ash is a two-component, generally used for the repair of high-car bumpers. It has good elasticity, strong attachment, and good polishing, but it is more valuable.
Fourth, polishing
Putty has fast drying, good polishing and other benefits. If the scraper is thicker, it can be grinded with a coarse sandpaper lining rubber block first, and then ground with a fine sandpaper. If you want to mill, the moisture must be thoroughly dried after grinding to organize the next process to prevent the coating from foaming.
Fifth, primer
The primers used are mostly epoxy resin examples, with strong adhesion, and can also play rust-proof and fill the atomic ash surface of the trachoma and sandpaper wear marks. Usually 2 to 3 coats are used, and the total thickness is 50 to 60 μm.
Six, spray paint
Many types of topcoats are available, and acrylic polyurethane topcoats are used for many purposes. It has a good finish and bright, bright colors. The bicomponent formulation ratio of each product must be strictly in accordance with the requirements of the product specification. The number of layers of topcoat is generally between 1 and 2 coats of varnish after two coats of paint.
Specialty Magnets Assemblies,United States Magnets,Wholesale Magnetic Signs,Magnetic Specialities Inc
Dongguan Zhenglong Magnet Co., Ltd , http://www.zlmagnetoelectric.com