Metal,powder,coating,The,metal business, insurance Metal powder coating
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The metallic pigments with nickel as the main component,including nickel and nickel powder, the former is through distillation andpurification of nickel carbonyl steam decomposition, by controlling thetemperature, dilution and using carbon monoxide gas additives ( oxygen andnitrogen ) formed under suitable shape of Ni particles, then rinse carbonmonoxide and carbon dioxide gas control of particle surface oxygen content was0.065%; the latter is with high pure nickel carbonyl powder, in the appropriatelubricant and the presence of a fluid medium, with the ball in the ball millgrinding forming suitable thickness of sheet. Mainly used in coatings and plasticsas conductive pigment shielding electromagnetic interference and radiofrequency interference, for a variety of decorative high gloss paint andplastic, instead of aluminum powder in aqueous system for anti corrosion paint,fine particles and spherical nickel powder can be usedfor the conductive ink.Because of the metal powder coating canexhibit a bright, luxurious decorative effect, is very suitable for thefurniture, jewelry and cars, and other indoor objects outside the spray.Friction spray gun is generally not suitable for metal powder coating spraying.In most cases, recommended the use of electrostatic spray coated. In the use ofelectrostatic gun construction should guarantee the system a good grounding,and set low electrostatic voltage and prevent the spraying powder amount, causethe phenomenon of striking. The effect of forming coating and spray set,quality or brand has very big relations. Long time after spraying may have alarge number of metal powder accumulation in the spray discharge needle, need toclean discharge needle regularly.In most cases, due to the error is verylarge, we do not recommend using gloss meter measuring metal exterior coatinggloss, but only by visual comparison method to judge whether a model consistentwith standard. For dry mixed manufacturing powder, because the spraying andrecovery process will occur separation phenomenon, so the recovery powder andpowder in metallic pigment content can have certain difference, may lead to theappearance of coating is inconsistent, partial color phenomenon. This isbecause the metallic pigment and powder particles property is difference. Ifusing the adhesive fixing method manufacturing powder coating, due to the ratiobetween metal pigment and powder particles is relatively fixed, it can reusepowder.Spray cover layer in metal powder coating has thefollowing advantages: reinforced metal powder coating stone-impact resistance;adding metal powder coating appearance; completely solve the metallic pigmentcan be erased; improve the metal powder coating weatherability. In order toensure the light shade layer appearance, for the first time coating cannot besubject to any pollution. Therefore, it generally need to have fully automatedspray lines and two sets of independent spray room to coat respectively. Suggestnot to spray light shade layer. Whether by dry mixing method or by bondingmethod of manufacturing powder, can not completely solve the metallic pigmentcan be erased problem. To solve the erasable fallen, only method for metalpowder coating is sprayed with a layer of transparent coating. For the sameproduct, try to use the same number of metal powder coatings, avoid powdercoatings have error problem between batch.Source:http://www.mhcmp.com Article Tags: Metal Powder Coating, Metal Powder, Powder Coating, Manufacturing Powder, Metallic Pigment
Metal,powder,coating,The,metal