Category: Industry Tech
Industry technology of powder coating,coatings,elecstrostatic painting,etc.
Characteristics of electrostatic powder coating spraying
Characteristics of electrostatic powder coating spraying Electrostatic powder coating spraying because he does not use the solvent will not cause solvent pollution in the atmosphere, while avoiding the danger of fire due to the solvent, is also easy to transport and storage of raw materials. The spraying process, the overspray powder is not coated on the workpiece can be recovered, the recovery rate of up to more than 95%, to improve the utilization of raw materials, to reduce the materialRead More …
Characteristics of the electrostatic spraying
Generally speaking, where does not occur at 200 ℃ deformation, enables the charged powder particles are adsorbed on the surface to be painted, the surface coating can be by electrostatic powder spraying. Therefore, electrostatic powder coating spraying technology can be widely used instruments, household appliances, mechanical and electrical equipment, automobile and shipbuilding, light industry equipment, furniture, machinery and building materials, and other metal parts of the surface protection and decorative painting. View from currently used in spray technology, electrostatic powderRead More …
Clear Powder coating versus Liquid paint on Aluminum Wheels
Clear liquid polyurethane coatings are used quite extensively in the automotive industry. They’re primarily used as the clear coat, top coat found on most cars and are formulated to be very durable. Clear powder coating have not yet gained recognition in this area primarily due to aesthetic reasons. Clear powder coating are used quit extensively by automotive wheel manufacturers, are durable and can be very cost-effective Powder coating application requires special electrostatic spray guns, and an oven to melt andRead More …
Bonded metallic powder coating supply a constant metallic effect
Bonding In 1980, a technique of bonded metallic powder coating was introduced for adding effect pigments to powder coating. The process involves adhering the effect pigments to the powder coating particles to prevent separation during application and recycling. Following research during the 1980s and early ’90s, a new continuous multi-stage process for bonding was introduced. The main advantage with the Bonding process is the degree of control over the entire operation. Batch size becomes less of an issue and thereRead More …
Electrostatic Spraying Process in the valve industry
In recent years, with the continuous development of science and technology, domestic valve market, but also to the high-tech, high-parameter, resistant to strong corrosion, the direction of the high life. This development direction also put forward higher requirements to the coating of the valve. Electrostatic spraying technology is the market for this material is ductile iron valves ordinary approach, this year is also the surface treatment of the valve has been widely promoted, but without careful analysis of a varietyRead More …
UV powder coatings bring the benefits to heat sensitive substrates
UV powder coatings bring the benefits to heat sensitive substrates Powder coating provides a durable, attractive and economical alternative to liquid paints and laminates for a wide range of heat-sensitive products such as glass and plastic materials. Powder coatings are dry, 100 percent solids paints that are spray-applied in a process similar to liquid painting. Once coated, products are conveyed through a curing oven, where the powder melts to form a durable, attractive finish. Powder coatings have long been theRead More …
Some HEAT-SENSITIVE SUBSTRATES in coatings industry
HEAT-SENSITIVE SUBSTRATES in coatings industry In recent years, ongoing research and development has been devoted to formulating powder coating powder that can cure at low temperatures, below 212ºF, without compromising durability or quality. These powders can be used on temperature-sensitive materials, as well as on massive parts that require enormous amounts of energy with other curing systems. Wood materials such as particle board and fiberboard, as well as glass and plastic products, can now benefit from a powder coated finishRead More …
Weekly maintenance for powder coating oven
How to Weekly maintenance for powder coating oven Burner blower impeller and motor The cleanliness of the fan impeller directly affects burner blower efficiency . Periodic cleaning keeps the blower in good condition,preventing premature bearing failure. Keep blower motors clean to avoid overheating, which can cause electrical failure. By simply removing dirt buildup on the motor housing and cooling fins, you can eliminate costly motor replacement. Heater shell interior Now is a good time to check the heater shell, orRead More …
The market for electronic components protective coatings exceed US$20 billion In 2025
A new report from GlobalMarketInsight Inc. shows that by 2025, the market for protective coatings for electronic components will exceed $20 billion. Electronic component protective coatings are polymers used on printed circuit boards (PCBs) to electrically insulate and protect components from environmental stresses such as moisture, chemicals, dust, and debris. These coatings can be applied using spray techniques such as brushing, dipping, manual spraying or automatic spraying. Increased use of portable electronic products, increased demand for automotive electronics applications, andRead More …
NCS is short for Natural Color System
NCS Introduction NCS is short for Natural Color System. It is the world’s most prestigious color system and the most widely used international color standard and color communication language in practice. It is the highest color quality standard required available internationally. NCS natural color system has been widely used in many fields such as color research and education, planning and design, industry and production, corporate image, commerce, and so on. It is used in many industries such as textiles, clothing,Read More …
Future development prospects of hydrophobic paint
Hydrophobic paint often refer to a class of low surface energy coatings where the static water contact angle θ of the coating on a smooth surface is greater than 90°, whereas superhydrophobic paint are a new type of coating with special surface properties, meaning water contact with a solid coating. The angle is greater than 150° and often means that the water contact angle lag is less than 5°. From 2017 to 2022, the hydrophobic paint market will grow atRead More …
Application of Self-Healing Coating Technology in Powder Coatings
Since 2017, many new chemical suppliers entering the powder coating industry provided new assistance for the advancement of powder coating technology. The coating self-healing technology from Autonomic Materials Inc. (AMI) provides a solution to the increased corrosion resistance of epoxy powder coatings.The coating self-healing technology is based on a microcapsule with a core-shell structure developed by AMI and can be repaired when the coating is damaged. This microcapsule is post-mixed In the preparation of powder coating process . Once theRead More …
The wood furniture manufacturer must know – Powder Coating
We are often asked about the difference between powder coating and traditional liquid coating. Most people are also interested in wanting to know more about the advantages of powder coating, many of which are incomparable to other coatings. Powder coating is solvent-free 100% dry solid powder, and liquid coating needs solvent to keep liquid, so the most obvious difference is that the powder does not require solvents. Powder coating become more interesting due to its advantages. Let’s take a lookRead More …
The application of powder coating for wood furniture is developing rapidly
Powder coating has long been applied to metal substrates. In recent years through the industry’s continuous efforts to reduce the curing temperature, improve spraying technology, Powder coatings have been applied in MDF and other wood. Powder spraying can make the industrial application of wood products to minimize water loss and size changes, while the coating can achieve a higher gloss and bright color effect, meanwhile in the state of the more stringent VOC restrictions on the situation, provides a substituteRead More …
Preparation of Carboxylterminated for Fusion-bonded-epoxy Powder Coating
Preparation and Characterization of Carboxylterminated Poly (butadiene-co-acrylonitrile) -epoxy Resin Prepolymers for Fusion-bonded-epoxy Powder Coating 1 Introduction Fusion-bonded-epoxy (FBE) powder coatings which were first developed by 3M Co., are used widely when long-term corrosion protection is critical such as in the oil, metal, gas and water pipelines industries. However, the performance requirements for FBE powder coatings are challenging because of their high cross-linking density. The inherent brittleness of cured coatings is one of the major obstacles preventing wider application for epoxiesRead More …
Low Temperature Cure Powder Coatings For Heat-sensitive Substrates
Low Temperature Cure Powder Coatings For Heat-sensitive Substrates For application on heat-sensitive substrates like MDF, the powder must cure below 302°F (150°C) or even 212°F (100°C). Several approaches have been developed to achieve this goal, ranging from low-temperature-cure conventional chemistries to radiation-curable evolving chemistries. A vast number of published articles and patents have confirmed the ability of UV-curable technologies to produce glossy, smooth coatings on MDF within three to five minutes of process time.8The main advantages of UV-cured powders includeRead More …
What is Benefits of UV Powder Coating on Wood
What is Benefits of UV Powder Coating on Wood UV powder coating technology offers a fast, clean and economic attractive method to achieve high-quality finishes on wood-based substrates. The coating process consists of the following steps: First the article is hung or placed onto a conveyor belt and the powder is sprayed electrostatically onto the object. Then the coated object enters the oven (temperatures of 90-140 degC are sufficient) where the powder melts and flows together to form a film.Read More …
The Use of Polyester Epoxy Combined Chemistry for UV Powder coating
The combination of methacrylated polyester and acrylated epoxy resin offers an interesting blend of properties to the cured film. The presence of a polyester backbone results in good resistance of the coatings in weathering tests. The epoxy backbone gives outstanding chemical resistance, improved adhesion and smoothness. An attractive market segment for these UV powder coating is as replacement for PVC laminates on MDF panels for the furniture industry. The polyester/epoxy blend is achieved in four major steps. The polycondensation in theRead More …
Binder and Crosslinkers for UV Powder Coatings
Binder and Crosslinkers for UV Powder Coatings The most suitable approach for a coating formulation is the use of a major binder and a crosslinker. The cross¬linker may control the network density for the coating, while the binder determines properties of the coating such as discoloration, outdoor stability, mechanical properties, etc. Furthermore, this approach will lead to a more homogenous concept in the powder coating applications as a category bringing similitude to thermosetting coatings where crosslinkers such as TGIC andRead More …
ASTM D7803-Standard for Preparing HDG steel for powder coatings
ASTM D7803 Bridges are one example of construction projects that are often built from hot-dip galvanized steel. How to coat this steel without adhesion failure of the powder system is explained in the new ASTM standard. The new standard, ASTM D7803, “Practice for Preparation of Zinc (Hot-Dip Galvanized)Coated Iron and Steel Product and Hardware Surfaces for Powder Coatings” covers surface preparation and thermal pretreatment of iron and steel products and hardware which have not been painted or powder coated previouslyRead More …
Coil coating is a continuous industrial process
Coil coating is a continuous industrial process in which multiple layers of organic film are applied and cured on a moving metal strip. The paints used are liquid (solvent-based) and are generally composed of polyesters with acid- or hydroxy- endgroups able to crosslink with melamines or isocyanates to form a complete network with film properties that are tailored to the final application of the coated metal panel (building products, beverage cans, domestic appliances, etc.). The total film thickness is aroundRead More …
QUALICOAT SPECIFICATIONS for PAINT, LACQUER AND POWDER COATINGS
SPECIFICATIONS FOR A QUALITY LABEL FOR PAINT, LACQUER AND POWDER COATINGS ON ALUMINIUM FOR ARCHITECTURAL APPLICATIONS 12th Edition-MASTER VERSION approved by the QUALICOAT Executive Committee on 25.06.2009 Chapter 1 General Information 1. General Information These Specifications apply to the QUALICOAT quality label, which is a registered trademark. The regulations for use of the quality label are set out in Appendix A1. The aim of these Specifications is to establish minimum requirements which plant installations, coating materials and finished products mustRead More …
Manufacturers apply electrostatic powder coating to many types of products
Manufacturers may apply an electrostatic powder coating to many types of products. This type of finish is primarily used on metals ranging from steel to aluminum. It’s also used to finish a variety of consumer goods, from wire shelving to lawn furniture. Electrostatic powder coating is also used on cars and other vehicles, and remains a popular method of finishing exterior metal siding This product may contain a variety of materials, depending on the product and manufacturer. Many include anRead More …
Controlling the moisture content in the MDF is critical
The powder coating process requires an electrostatic charge for the powder to attract to the wood while using a premium grade MDF. This electrostatic charge is created by heating the wood to bring the moisture content to the surface, since it is this moisture that serves as the electrostatic conductor.The adhesion of the powder to the board is so strong that to remove the powder finish from the board it is likely the MDF board substrate will chip off beforeRead More …
What is ABS plastic coating
ABS plastic coating ABS plastic Department of butadiene – acrylonitrile – styrene terpolymer, widely used in the production of home appliances products, housing and automobile and motorcycle parts. Ketone, benzene and ester solvent capable of dissolving ABS plastic, alcohol and hydrocarbon solvent dissolution of ABS plastic, so the general use of ethanol – isopropanol solvent for surface treatment, usually air spraying or electrostatic spraying process for construction . ABS plastic coating paints a wide range of options-based thermoplastic acrylic coatings,Read More …
Some Important factors to polyester coating degradation
Polyester degradation is affected by solar radiation, photocatalytic admixtures, water and moisture, chemicals, oxygen, ozone, temperature, abrasion, internal and external stress, and pigment fading.Out of all these, the following factors, all present in outdoor weathering, are the most important to coating degradation: moisture, temperatures, oxidation ,UV radiation. Moisture Hydrolysis occurs when a plastic is exposed to water or humidity.This chemical reaction may be a major factor in the degradation of condensation polymers such as polyesters , where the ester groupRead More …
Introduction of Fusion bonded epoxy powder coating
Fusion bonded epoxy coating, also known as fusion-bond epoxy powder coating and commonly referred to as FBE coating, is an epoxy based powder coating that is widely used to protect steel pipe used in pipeline construction, concrete reinforcing bars (rebar) and on a wide variety of piping connections, valves etc. from corrosion. FBE coatings are thermoset polymer coatings. They come under the category of ‘protective coatings’ in paints and coating nomenclature. The name ‘fusion-bond epoxy’ is due to resin cross-linking andRead More …
Chromate coating for aluminium surface
Aluminium and aluminium alloys are treated by a corrosion resistant conversion coating that is called “chromate coating” or “chromating”. General method is to clean the aluminium surface and then apply an acidic chromium composition on that clean surface. Chromium conversion coatings are highly corrosion resistant and provide excellent retention of subsequent coatings. Different type of subsequent coatings can be applied to the chromate conversion coating to produce an acceptable surface. What we call as phosphating to steel an iron isRead More …
Powder coating over non-metal products such as plastic wood
Over the last twenty years, powder coating has revolutionized the finishing industry by providing a superior, durable, environmentally friendly finish, particularly for metal products such as appliances, automotive parts, sporting goods and countless other products.However with the development of powder coatings that can be applied and cured at low temperatures,the market has opened to heat sensitive substrates such as plastics and wood. Radiation curing (UV or electron beam) allows the curing of powder on heat sensitive substrates by reducing theRead More …
Advantages of UV powder coating systems
UV powder coating powder formulations consist of:UV powder resin,Photoinitiator,Additives,Pigment / extenders. Curing of powder coatings with UV light can be described as “the best of two worlds”. This new method makes it possible to benefit from the advantages of high cure speed and low cure temperature as well as environmental friendliness. The main advantages of UV curable powder systems are: Low system costs Application of one layer Maximum powder use with overspray recycling Low cure temperature High cure speed HardlyRead More …