Author: doPowder
What is the benefits of Coil Coatings
Coil Coatings Benefits Organic coil coating products are widely used in all aspects, because of its fundamental benefits: ① economy: increase capacity and production, reduce production costs, energy consumption, product inventory and financial costs ② environmental protection: for environmental regulations, from product design to the regeneration of the entire cycle, the product can fit environmental requirements. ③ Art technology: the rich colors, different batches of consistent quality, you can get a variety of surface effects, process flexibility is good. FrequentlyRead More …
The formulation Design Research of Electrically Conductive Putty
Traditional methods of corrosion protection for metals are: plating, powder paints and liquid paints.The performance of the coatings sprayed by all kinds of coatings,as well as different spraying methods vary, but in general, compared to liquid paint coatings, and plating coating, powder coatings give a dense structure with coating thickness (0.02-3.0mm), good shielding effect for various media, this is the reason of powder coated substrate gives longer life expectancy.Powder coatings,in the process,present with great variety,high efficiency,low cost,easy to operate,no pollutionRead More …
The Principle of Hydrophobic/Super Hydrophobic Coatings
Conventional sol-gel coatings were prepared using MTMOS and TEOS as silane precursors to form a smooth, clear and dense organic/inorganic network on an aluminum alloy substrate. Such coatings are known to have excellent adhesion due to their ability to form Al-O-Si linkages at the coating/substrate interface.Sample-II in this study represents such a conventional sol-gel coating. In order to reduce surface energy, and hence increase hydrophobicity, we incorporated an organo-silane containing a fluorooctyl chain, in addition to MTMOS and TEOS (sampleRead More …
Super hydrophobic surfaces is created by Super hydrophobic coatings
Super-hydrophobic coatings can be made from many different materials. The following are known possible bases for the coating: Manganese oxide polystyrene (MnO2/PS) nano-composite Zinc oxide polystyrene (ZnO/PS) nano-composite Precipitated calcium carbonate Carbon nano-tube structures Silica nano-coating Super-hydrophobic coatings are used to create super hydrophobic surfaces. When water or a water based substance comes into contact with these coated surfaces, the water or substance will “run off” of the surface because of the hydrophobic characteristics of the coating. Neverwet is aRead More …
The Use of Chameleon paint in construction industry
Introduction to Chameleon paint Chameleon paint is a kind of a special paint with other substances to produce color changes. General categories: temperature change and ultraviolet light discoloration of paint paint, different angles, natural light color changing paint (Chameleon). Temperature variation inside the paint containing heating may cause chemical reactions and colour-changing microcapsules, UV color-microcapsules containing color photographic encounters ultraviolet colors inspired the show colors. Forming principle Chameleon paint is the core technology of new Nano car paint. Nano titaniumRead More …
How To Evaluate Coating Adhesion-Tape Test
By far the most prevalent test for evaluating coating adhesion is the tape-and-peel test, which has been used since the 1930’s. In its simplest version a piece of adhesive tape is pressed against the paint film and the resistance to and degree of film removal observed when the tape is pulled off. Since an intact film with appreciable adhesion is frequently not removed at all, the severity of the test is usually enhanced by cutting into the film a figureRead More …
Elimination of the effects caused by outgassing in powder coating
How to Eliminate the Effects of Outgassing In Powder Coating There are some different methods that have been proven to eliminate this problem: 1. Preheating the Part: This method is the most popular to eliminate the problem of outgassing. The part to be coated is preheated above the cure temperature for at least the same amount of time to cure the powder to allow the entrapped gas to be released prior to applying the powder coating. This solution may notRead More …
Impact Testing Process for Qualicoat Standard
For Powder Poatings Only. The impact shall be carried out on the reverse side, whereas the results shall be assessed on the coated side. -Class 1 powder coatings (one- and two-coat), energy: 2.5 Nm: EN ISO 6272- 2 (indenter diameter: 15.9 mm) -Two-coat PVDF powder coatings, energy: 1.5 Nm: EN ISO 6272-1 or EN ISO 6272-2 / ASTM D 2794 (indenter diameter: 15.9 mm) -Class 2 and 3 powder coatings, energy: 2.5 Nm: EN ISO 6272-1 or EN ISO 6272-2Read More …
How To Maintain The Spray Equipment
You should ensure that the plant and spray equipment used in spray painting or powder coating activities is well maintained, operational and clean. This includes: regular visual checks of equipment and plant, including engineering controls and ventilation systems regular monitoring and testing of ventilation flow rates regular servicing of all equipment and plant procedures for reporting and repairing faulty equipment records of servicing, maintenance, repair and testing of plant and equipment should be kept for future reference. When undertaking maintenanceRead More …
What is the Conditions for Dust Explosions
During powder coating application , the conditions for dust explosions must be paid attention highly to avoid any problem occur .A number of conditions must exist simultaneously for a dust explosion to occur. The dust must be combustible (as far as dust clouds are concerned, the terms “combustible”, “flammable” and “explosible” all have the same meaning and could be used interchangeably). The dust must be dispersed (forming a cloud in air). The dust concentration must be within the explosible rangeRead More …
What resins are used in thermoplastic powder coatings
There are three primary resins used in thermoplastic powder coating, vinyls, nylons and polyesters. These materials are used for some food contact applications, playground equipment, shopping carts, hospital shelving and other applications. Few of the thermoplastics have the broad range of appearance properties, performance properties and stability that are required in applications that use thermoset powders. Thermoplastic powders are typically high molecular weight materials that require high temperature to melt and flow. They are commonly applied by fluidized bed applicationRead More …
What is Thermoplastic Powder Coating
A thermoplastic powder coating melts and flows on the application of heat, but continues to have the same chemical composition when it solidifies on cooling. Thermoplastic powder coating is based on thermoplastic resins of high molecular weight. The properties of these coatings depend on the basic properties of the resin. These tough and resistant resins tend to be difficult, as well as expensive, to be ground into the very fine particles necessary for the spray application and fusing of thinRead More …
Configuration of Powder Coating Application Equipment
There are many ways to apply powder coating materials;and there are several powder coating application equipment for option. However, the material that is to be applied must be of a compatible type. For instance, if the method of application is fluidized bed. then the powder coating material must be a fluidized bed grade, Conversely, if the method of application is electrostatic spray, then the powder material must be an electrostatic spray grade. Once the material is correctly selected, then theRead More …
What is Economic Advantages of Powder Coating
Energy and labor cost reduction, high operating efficiencies, and environmental safety are advantages of powder coating that attract more and more finishers. Great cost savings can be found in each of these areas. When compared with a liquid coating system, a powder coating system has several obvious significant economic advantages. There are also many advantages that may not appear significant by themselves but, when collectively considered, contribute substantial cost savings. Although this chapter will try to cover all cost advantagesRead More …
Maintenance of metallic effect powder coating
How to maintain metallic effect powder coating Metallic effects arise through light reflection, absorption and mirror effect of the metallic effect pigments contained in the paint. These metallic powders can be used in both exterior and interior environments. The cleanability and suitability of the powder,for an environment or end use, starts with the colour selection process. In certain instances the powder manufacturer may propose the application of a suitable clear topcoat.The cleaning of metallic effect powder coated surfaces is inRead More …
What is the steps of steel coil coating process
These are the basic steps of the steel coil coating process UNCOILER After visual inspection,moves the coil to the uncoiler whereby the steel is placed on a pay-off arbor for unwinding. JOINING The beginning of the next coil mechanically join to the end of the previous coil,this allows for the continuous feed of the coil coating line. This makes each edge of the joint area become the “tongue” or “tail” of the finished coated steel coil. ENTRY TOWER The entryRead More …
Formulation and production of high solids polyester amino acrylic paint
Formulation and production of high solids polyester amino acrylic paint High solids polyester amino acrylic paint is used primarily as an topcoat on passenger cars,motorcycles and other vehicles with better protection.It has the following features: Various application methods are available for High solids polyester amino acrylic paint,such as electrostatic spraying,air spraying,brushing . Drying conditions: baking at 140 ℃ with 30min Thick coating: During the application process,under the same conditions,one coating thickness is 1/3 more than ordinary high-solids paint, which canRead More …
Surface treatment of inorganic pigments
Surface treatment of inorganic pigments After the surface treatment of inorganic pigments, application performance of pigments can be further improved ,and the results fully reflect its optical properties,that is one of the main measures to improve the quality grade of pigments . The role of a surface treatment The effect of surface treatment can be summarized into the following three aspects: to improve the properties of the pigment itself, such as the coloring power and hiding power; improve performance, andRead More …
Hot Press Transfer VS Sublimation Transfer
Classification of thermal transfer From the point of ink type,there are hot press transfer printing and sublimation transfer ; from the point of transferred object there are fabric, plastic (plates , sheets, film ) , ceramic and metal coating plates , etc. ; from the printing process,there can be divided into categories classification from the substrate thermal transfer paper and plastic film ; screen printing , lithographic , gravure, letterpress , inkjet and ribbon printing. The following highlights the hotRead More …
Powder Coating Hazard
What are the powder coating hazard? Most powder coating resins are less toxic and hazard, and the curing agent is significantly more toxic than the resin. However, when formulated into a powder coating, the toxicity of the curing agent becomes very small or almost non-toxic. Animal experiments have shown that there is no death and injury symptoms after inhalation of the powder coating, but there are different degrees of irritation to the eyes and skin. Although general powder coatings haveRead More …
Faraday Cage In Powder Coating application
Let’s start looking at what happens in the space between the spraying gun and part during the electrostatic powder coating application procedure. In Figure 1, the high potential voltage applied to the tip of the gun’s charging electrode creates an electric field (shown by red lines) between the gun and grounded part. This bring about the development of corona discharge. A great amount of free ions generated by the corona discharge fills the space between the gun and the part.Read More …
Optimization of ultra-thin powder coating technology
Ultra-thin powder coating technology is not only an important development direction of powder coatings, but also one of the problems the world is still plagued in painting circles. Powder coatings hardly accomplish ultra-thin coating,that not only greatly limit its application scope ,but also lead to thicker coating (generally 70um above ) . It is an unnecessary waste costs for most applications which do not require thick coating . To solve this worldwide problem to achieve ultra-thin coating ,the experts haveRead More …
How to Powder Coat Aluminum – Aluminum Powder Coating
Powder Coat AluminumComparing with conventional paint,powder coating is much more durable and is commonly applied on substrate parts that will be long term exposed to tough environments.That maybe worthwhile to DIY if there are lots of aluminum parts around you required for powder coating.It is no more difficult to buy a powder coating gun on your market than spraying paint . Instructions 1.Clean the part completely,removing off any paint,dirt or oil .Make sure that any components not to be coated (such as O-rings or seals) have been removed. 2.Mask any area of the part not be coated using high-temperature tape. For blocking off holes, purchase reusable silicone plugs that press into the hole.Mask large areas by taping on a piece of aluminum foil. 3.Set the part on a wire rack or hang it from a metal hook.Fill the gun’s powder container with powder no more than 1/3 full.Connect the gun’s ground clip to the rack. 4.Spray the part with powder, coating it evenly and completely.For most parts, only one coat will be necessary. 5.Preheat the oven to bake.Insert the part into the oven being careful not to bump the part or touch the coating.Consult the documentation for your coating powder about necessary temperature and curing time. 6.Remove the part from the oven and let it cool. Remove any masking tape or plugs. Notes:Make sure the gun is plugged into a properly grounded outlet.The gun cannot work without a ground connection. For more detals about powder coat aluminum process,please feel freeRead More …
Color Fading in the coatings
Gradual changes in color or fading are primarily due to the color pigments used in the coating. Lighter coatings typically are formulated with inorganic pigments.These inorganic pigments tend to be duller and weaker in tinting strength but are very stable and not easily broken down by exposure to UV light. To achieve darker colors, it is sometimes necessary to formulate with organic pigments. In some instances, these pigments may be susceptible to UV light degradation. If a certain organic pigmentRead More …
How to reduce the amount of pearl pigments
How to reduce the amount of pearl pigments If so , the less the amount of pearl pigments , ink costs will be lower , it will be powered by the larger pearl ink , but is there a good way to pearlescent pigments ink usage drop down? The answer is yes . Reduce the amount of the pearlescent pigment , so the fact is mainly oriented parallel to the flaky pearl pigments to achieve if the flaky pearl pigmentRead More …
Advantages of Epoxy Polyester Hybrids Powder Coating
Advantages of Epoxy Polyester Hybrids Powder Coating Epoxy powder coatings based on newer technology are known as epoxy-polyester “hybrids” or “multipolymer” systems. This group of powder coatings could be considered simply part of the epoxy family, except that the high percentage of polyester utilized (often more than half the resin) makes that classification misleading. The properties of these hybrid coatings are more closely akin to epoxies than polyesters, with a few notable exceptions. They show similar flexibility in terms ofRead More …
Spray process and requirements for general and art powder coatings
The so-called Powder coating is the use of the principle of the electric field of high voltage electrostatic corona. Connected to the high-voltage anode metal deflector standard on the gun head, spraying the workpiece ground formation of the positive, so that the formation of a strong static electric field between the gun and the workpiece. When the compressed air as a carrier gas, the barrel of powder coatings for the powder sent the pollen tube to spray gun deflector rod,Read More …
The particularity and storage of powder coatings
Storage of Powder Coatings The powder coating is a new type of solvent-free 100% solid powder coating. It has two categories: the thermoplastic powder coating and thermosetting powder coating. Coating made of special resin, fillers, curing agents and other additives, to a certain proportion of mixed and then by hot extrusion and crushing process of sifting and other prepared from. At room temperature, storage stability, electrostatic spray or fluidized bed dipping, and then the baking heat of melting and solidification,Read More …
Anti-corrosion epoxy powder coating play a protective function
The joint application of cathodic protection and corrosion protection layer, allows underground or underwater metal structure to obtain the most economical and effective protection. Usually coated with a protective coating before use, to the metal and dielectric environment electrical insulation isolation, a good coating can protect more than 99% of the structures of the outer surface from corrosion. The pipe coating in the production, transportation and construction, can not absolutely guarantee against any damage to (fill the mouth coating, theRead More …
ASTM D3359-02-TEST METHOD A-X-CUT TAPE TEST
ASTM D3359-02-TEST METHOD A-X-CUT TAPE TEST 5. Apparatus and Materials 5.1 Cutting Tool—Sharp razor blade, scalpel, knife or other cutting devices. It is of particular importance that the cutting edges be in good condition. 5.2 Cutting Guide—Steel or other hard metal straightedge to ensure straight cuts. 5.3 Tape—25-mm (1.0-in.) wide semitransparent pressure sensitive tape7 with an adhesion strength agreed upon by the supplier and the user is needed. Because of the variability in adhesion strength from batch-to-batch and with time,Read More …