Coating general knowledge: introduction of materials and precautions for fluorocarbon paint construction

Core tips: There are many kinds of coatings, and fluorocarbon paint refers to the coating with fluororesin as the main film-forming material Most consumers may not be familiar with the construction of fluorocarbon paint The following is an introduction to the materials needed in the construction process of fluorocarbon paint and the precautions in various aspects 1 Construction materials Putty for exterior wall: coarse leveling putty for exterior wall, fine leveling putty for imitation stone paint exterior wall, polishing putty, etc Matching primer: Cement transparent primer Intermediate paint: permanent new white primer Matching finish: fluorocarbon paint for exterior wall or building curtain wall 2 Paint knowledge | precautions for wall paint color selection Recommended introduction: when painting the wall, the owner sometimes has difficulty in choosing what color of the wall paint to paint In fact, there is no ugly color in the wall paint, only the disharmonious color matching The use of wall color contains the knowledge of health Too strong color will stimulate people's perception, make people have a sense of fidgety, affect people's mental health Grasp the basic principles of wall color and paint a colorful space 1、 Wall paint color selection notice 1 Light color is generally used for the top surface Light colors make people feel light, dark colors make people feel heavy Usually, the treatment of rooms is from top to bottom, from shallow to deep For example, the ceiling and walls of rooms are white and Paint Home News: there are many kinds of paint, and fluorocarbon paint refers to the paint with fluororesin as the main film-forming material For the construction of fluorocarbon paint, most consumers may not be familiar with it Here is an introduction to the materials needed in the construction process of fluorocarbon paint and the precautions in various aspects 1 Construction materials: external wall putty: external wall rough leveling putty, imitation stone paint external wall fine surface leveling putty, polishing putty, etc Matching primer: Cement transparent primer intermediate paint: permanent new white primer matching topcoat: fluorocarbon paint for exterior wall or fluorocarbon paint for building curtain wall 2 Main construction tools: leveler, spray gun, knife, wire bag, rough roll, brush, air compressor, etc 3 Construction environment (1) the doors and windows shall be installed according to the design requirements, and the gap around the hole shall be blocked (2) After the base treatment of the wall surface is completed and meets the design process requirements, the wall surface shall be accepted according to the plastering surface standard, the spraying conditions shall be met, the installation of rainwater pipe clamp and equipment hole pipe shall be completed, and the surrounding of the hole shall be plastered with cement mortar, and all the walls shall be dried (3) Double row shelves or movable hanging blue shall meet the requirements of national safety regulations, and the distance between the outer row of shelves and the wall shall be 320cm (4) It is required to provide 380V and 220V power supply on site 4 Spraying of finishing coat construction process: the drying time shall be at least 15 hours; the construction time shall be several times or two times, preferably two times to ensure the performance of finishing coat Grinding: use 600-800 mesh fine sandpaper for grinding During sanding, the force shall not be too heavy to avoid wearing through the primer film, but it must be careful and thorough Otherwise, after spraying the top coat, it will not be able to get a smooth coating, and even uneven luster (blooming) will appear Dust removal: cloth must be used for dust removal (blowing with spray gun can not meet the requirements) If the dust removal is not complete, the smooth coating will not be obtained after the finishing coat construction, and particles will appear Construction requirements: after spraying, the color shall be uniform and the luster shall be consistent After sanding and dedusting, the coating surface is smooth and free of dust and all kinds of dirt There is a layer of 50-80 μ m thick coating on the surface of putty layer, without leakage Construction proportion: mix the main paint and curing agent in strict accordance with the manufacturer's instructions, add a proper amount of diluent (adjust the viscosity to - 4 cups for 18-23 seconds according to the climate and temperature), filter with a 100 mesh filter screen, and use it up within 4 hours, otherwise the mixture will gel and deteriorate, affecting its sealing effect and adhesion Filtration: after mixing, 100 mesh filter screen shall be used for filtration, and mixture shall be continuously stirred during placing to avoid sedimentation Spray gun model: w-71, etc Construction method: the metal paint must be sprayed, and the solid color paint is best roller coating Construction times: twice Construction requirements: the flash powder shall be evenly distributed and the density shall be equal to that of the sample No sagging There is no uneven light and shade and flowering The luster is even, the hand feel is fine, and there are few particles on the film Note: metal paint is better to cover, solid color paint can cover but not cover 5 Precautions for fluorocarbon paint construction (1) the construction temperature is 0-35 ℃, and the base surface temperature should be no less than 5 ℃ (2) Material storage shall be moisture-proof, waterproof and direct sunlight proof (3) The luster is the same, no sagging or missing coating is allowed (4) The amount of ingredients should not be too much each time, so as to avoid standing for a long time, resulting in curing (5) Special auxiliary materials must be used Water, banana water, alcohol, gasoline, etc are strictly prohibited (6) When the humidity is below 85%, the temperature is 0-35 ℃, do not construct under the following conditions: rain, snow, fog, frost, strong wind, or relative humidity is above 85% (7) After coating at room temperature, the paint film can be fully cured for about 7d, and it is not recommended to use it in advance (8) Safety measures and prevention methods: ensure good ventilation, wear protective equipment and prevent skin and eyes from being stained In case of paint splashing into eyes, please wash with water immediately and see a doctor in time No fireworks are allowed in the construction environment Home of coatings is specialized in coatings, diatom mud, paint coating, coating technology, fire retardant coating news and coating, diatom mud, paint coating, coating technology, fire retardant coating decoration knowledge and decoration renderings,