Coating knowledge: eight skills to distinguish the quality of powder coating

Core tip: paint can't be left for home decoration Powder paint is a new type of solvent-free 100% solid powder paint It has the characteristics of solvent-free, pollution-free, recyclable, environmental protection, energy and resource saving, labor intensity reduction and mechanical strength of coating film, etc., which is very popular with consumers Because of this, some immoral businesses make good use of the inferior for the sake of profit Here's a small part for you This paper introduces eight tips for distinguishing the quality of powder coating: 1 Appearance identification 1 Hand feeling: the hand feels silky, fluffy and fluffy The hand feels rough, heavy and heavy If you hold a handful of powder in your hand, the powder will become smoother and fluffy, Which is the price of Dajin diatom mud Recommended brief introduction: which is the price of Dajin diatom mud? How to buy genuine diatom mud? Guangdong diatom mud agent suggests placing a basin of cold water in the air conditioning room, so that the diatom mud wall can breathe effectively The feature of the breathing wall is obvious When the indoor air is dry, the diatom mud wall will release the absorbed water quickly Put it out to help regulate the indoor dry humidity It is suggested to place a basin of cold water in the air conditioning room, so that the wall of diatom mud can breathe effectively The feature of the wall that can breathe is obvious When the indoor air is relatively dry, the wall of diatom mud will absorb the water Paint Home News: paint can not be left for home decoration Powder paint is a new type of solvent-free 100% solid powder paint, which is solvent-free, pollution-free, recyclable, environmentally friendly, energy and resources saving, labor intensity reduction and coating machinery High strength, very popular with consumers, and because of this, some unscrupulous businesses make good use of inferior products for profit Here are eight tips to distinguish the quality of powder coating: 1 Appearance identification method 1 Hand feeling: the hand feels silky, smooth, fluffy, rough, heavy, and grasps a handful of powder in the hand, The smoother the powder is, the better the quality is On the contrary, the rough handle of the powder is heavy and the quality is poor It is not easy to spray, and the second powder falling is more, and the waste is large 2 Volume: the larger the volume, the less the filler in the powder coating, the higher the cost The better the powder quality The smaller the volume, the higher the filler in the powder coating, the lower the cost The worse the powder quality is For the same carton, look at the large powder volume of that family, that is the good powder The small size of that family, that is the bad powder It is not easy to spray, the more the secondary powder falling, the greater the waste, the less the spraying area, and the higher the use cost 3 Storage time: the good powder can be stored for a long time, and the powder leveling and other effects remain the same The poor powder can not be stored for a long time, and the leveling and other effects become worse after 3 months The shelf life of normal powder is 12 months under normal temperature, and the quality of low-end raw materials is unstable and easy to deteriorate The poor raw materials are used to produce powder, Spraying surface will accelerate pulverization and aging after half a year, which will affect the reputation of customers In addition, the powder is not easy to store, resulting in a large waste of powder to customers and a lot of fees Powder coating quality identification skills: 2 The resin content of normal powder should be about 55-65%, the resin content is about 20 yuan / kg, and the filler material is about 2 yuan Some poor powder factories use the resin content below 45% to replenish the inferior, increase the filler material to reduce the cost and spray area Comparison method: two same powder spray products, If there are more powder spraying products in that one, there will be less spraying products in that one If there are less spraying products in that one, the use cost will be high If there is less spraying area, the use cost will be high If there is 6 square meters of powder spraying per kilogram, one square meter less spraying is equivalent to 3-6 yuan more per kilogram of powder paid by the manufacturer It is recommended that the manufacturer use genuine powder, Carefully check the actual use cost Powder coating quality identification skills: 3 The powder with good working efficiency is easy to spray, and the base material can be covered by spraying 1-3 guns, with less secondary recovery powder and high working efficiency The base material can be covered only by spraying 3-5 guns, with more secondary recovery powder and low working efficiency The operators can determine the powder loading rate by spraying, and the powder dropped is not much The products produced in the same time are few, The secondary recovery powder is more, increasing the burden of operators and low efficiency Powder coating quality identification skills: 4 The powder with good baking identification method does not produce a lot of smoke in the baking process The poor powder has a lot of smoke in the baking process The good powder raw materials do not produce a lot of smoke, and some manufacturers fill the raw materials with good materials The amount of powder will increase, the square number will not be sprayed, and the use cost will be increased, The same amount of powder produces fewer products Powder coating quality identification skills: 5 After baking, the finished product appearance and luster identification method good powder product appearance is delicate, full, transparent and strong three-dimensional sense Poor powder product appearance is dim, rigid, foggy, opaque and poor three-dimensional sense The comparison of the two boards shows that the appearance is poor, which affects customer reputation and product appearance Good powder luster is good, It can maintain the relative luster for a long time The effect of poor powder glossiness is good when it is baked out, and it will start to shoot in a few months The powder made of the material with poor glossiness appearance detection can not maintain the long-term glossiness stability, such as shot light, pulverization, paint peeling, etc Powder coating quality identification skills: 6 Adhesion and aging identification method good powder adhesion is strong, toughness is strong, and can keep for several years without pulverization, aging Poor powder adhesion is poor, very brittle, after spraying 3 months to half a year, aging, pulverization Comparative test of adhesion and bending, and observation of a few months later whether the product has aging, pulverization, adhesion and aging is poor, the product is easy to aging, pulverization, Rust can shorten the service life of products and affect the reputation of customers Powder coating quality identification skills: 7 High temperature identification method adjust the temperature to 220-230 degrees, heat preservation for 10-15 minutes, good powder, good temperature and weather resistance, after high temperature baking, the color change is small, and the luster change is not big Poor powder, poor temperature and weather resistance, serious discoloration and dullness after high temperature baking, this method is particularly effective for detecting outdoor light color powder Identification skills of powder coating quality: 8 The powder materials with good environmental protection identification method are all produced by large factories, and the environmental protection is guaranteed There is no way to ensure the environmental protection does not exceed the standard for a long time for poor materials and recycled powder Environmental SGS detection helps to identify the environmental protection quality of powder coating [focus on WeChat official account "paint net"; pay attention to surprises, scan code to see if your husband is selling paint.. 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