Coating knowledge: Sixteen procedures and acceptance standards for coating construction

Core tips: what procedures should be followed during the coating construction? What is the acceptance standard after the coating construction? 1 Check and clean the base course surface for dust, oil, impurities, solid base course, cracks, flatness, verticality and dryness 2 The base course is the guarantee for the beauty and durability of the coating, and the cracking of putty layer and coating layer caused by the base course factors (such as cement mortar or wall cracking) is a common disease It is a general method to use bandage to deal with the cracks in the base course If inferior glue is used for the original white covered wall surface, alkali resistant primer shall be applied for reinforcement, and the wall surface shall be powdered Application scope and advantages of roller ceramic coating Recommended introduction: the surface of ceramic rubber plate used for roller ceramic coating is cast into durable rubber plate by hundreds of independent small ceramic pieces Each ceramic piece has raised characteristics Under general conveyor belt pressure, thousands of unique cast bumps can produce positive traction, prevent slipping and extend the service life of conveyor belt roller At the same time, the bottom layer adopts high-quality rubber, which has strong elasticity and can play a good impact resistance role The scope of application of roller ceramic coating is one three six 83857180 (the same as V) 1 Roller coating in extremely harsh working environment 2 The belt joint is not suitable for fixing with iron buckle; 3 It is suitable for leather Home of coatings: what procedures should be followed in coating construction? What is the acceptance standard after coating construction? 1 Check and clean the base course surface for dust, oil, impurities, whether the base course is solid, whether the base course has cracks, whether it is flat, vertical and dry 2 The base course is the guarantee for the beauty and durability of the coating, and the cracking of putty layer and coating layer caused by the base course factors (such as cement mortar or wall cracking) is a common disease It is a general method to use bandage to deal with the cracks in the base course If inferior glue is used for the original white covered wall, alkali resistant primer shall be applied for reinforcement, and the powdered wall shall be removed 3 The wood board is sealed to avoid the deformation and color penetration of the board surface 4 The key point of patching is to apply bandage to ensure the smoothness and firmness of the interface around patching Sticking two layers of bandages can reduce the cracks in the coating layer 5 If the flatness of local puttying base course is not enough, puttying and leveling shall be applied to the local uneven parts first; however, if the flatness deviation of the base course exceeds 8mm, the putty shall not be used for ultra thick leveling, and cement mortar shall be used for leveling 6 Grind and polish the putty to ensure that the base course is roughly flat 7 The first full puttying construction shall not expose the bottom, be missed or leave joint marks 8 The second full puttying putty is generally applied twice, and the time interval of each puttying layer should not be too long, and the thickness of putty is 1-3mm 9 Ensure that the internal and external corners are in a straight line 10 For the third full puttying, when there is a high requirement for the flatness of the wall, the puttying can be increased once, but the thickness of the last puttying shall not be less than 0.8mm 11 The finely ground leveling coating has higher requirements on the flatness of the putty layer, which shall be polished and leveled during polishing, and the putty layer shall not be too hard, so as to prevent the putty layer from being too smooth and free of fine sand marks after polishing, which is not conducive to the occlusion of the coating on the putty layer 12 The function of the first primer is to resist alkali sealing The putty shall be reinforced and covered with fine sand marks, so the first coating layer shall be as full as possible 13 In the process of putty polishing, the putty layer is broken In case of sand hole, putty shall be applied after the first coating 14 The marks left after polishing and puttying shall be polished to avoid affecting the integrity of the coating 15 In order to ensure the finishing effect of the second primer, the total thickness of the primer shall be 30mm, and only the first primer shall be applied to save materials and labor 16 If the leveling property of the bottom coating is not enough, it shall be well polished when the top coating is applied to ensure the smooth effect of the top coating 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,