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What industries are polyester powder coatings mainly used in
source：www.cnjindu.com | Release time：2026年03月11日1、 Building materials and decoration industry
The construction industry is the core consumer market of polyester powder coatings, especially pure polyester weather resistant powder coatings. With excellent UV resistance, aging resistance and rain erosion resistance, it has become the standard coating material for outdoor building metal components. Mainly used in aluminum alloy doors and windows, curtain wall aluminum veneers, aluminum profile frames, steel guardrails, louvers, metal ceilings, municipal railings, balcony fences, outdoor decorative lines, steel structure canopies and other products, it can maintain the coating color full, non powdering, non fading for a long time, and effectively block air and moisture erosion, prevent metal substrates from rusting and deforming. It is suitable for urban building facades, residential communities, commercial complexes, municipal public spaces and other scenarios, while meeting the dual needs of building decoration aesthetics and long-term durability. It is also a core supporting coating category for promoting green building materials.
2、 Home appliance manufacturing industry
The home appliance industry has strict requirements for the corrosion resistance, easy cleaning, appearance texture, and environmental friendliness of coatings. Polyester epoxy hybrid powder coatings have become the mainstream choice for metal shells of white goods and small appliances due to their balanced protective and decorative properties. The core applications cover refrigerators, washing machines, air conditioning outdoor and indoor unit casings, microwave ovens, ovens, electric water heaters, range hoods, dishwashers and other large household appliance casings, as well as small household appliance accessories such as electric fans, air purifiers, water dispensers, and small household appliance metal bases; Home appliances will also use polyester powder coatings with special effects such as high gloss, matte, metallic, and frosted to enhance the appearance grade of the product. This type of coating is resistant to high temperatures, not easy to scratch, easy to wipe off oil stains, and does not release volatile organic compounds, which meets the design standards of durable and beautiful home appliances. Currently, the coating penetration rate in the home appliance industry is at a high level.
3、 Automotive and transportation equipment industry
With the rapid development of the new energy vehicle industry, the application scale of polyester powder coatings in the automotive field continues to expand, mainly focusing on automotive components, rail transit, and non motorized vehicle fields, while also meeting the needs of weather resistance, corrosion resistance, wear resistance, and lightweight. In the automotive field, it is commonly used for wheel hubs, car exterior parts, bumper trims, door handles, chassis protection parts, battery pack shells, engine peripheral accessories, etc. It is suitable for lightweight metal substrates of new energy vehicles, with strong adhesion and resistance to sand and stone impact and rainwater corrosion during driving; At the same time, it is widely used in motorcycle, electric vehicle, bicycle frame and accessories, interior metal parts of rail transit vehicles, subway screen doors, car handrails, etc. Some outdoor transportation accessories also use ultra weather resistant pure polyester powder to ensure long-term outdoor operation without aging.
4、 Transportation facilities and municipal engineering industry
Municipal transportation facilities are exposed to outdoor environments for a long time and need to withstand complex conditions such as sun exposure, rain, sandstorms, and temperature differences. Ultra weather resistant pure polyester powder coating is an ideal coating material in this field. Core applications include highway guardrails, urban road barriers, street light poles, traffic signal light shells, signboard brackets, bus stop metal components, parking facilities, bridge metal accessories, etc. The coating has extremely strong aging resistance, corrosion resistance, impact resistance, which can achieve long-term maintenance free and significantly reduce the operation and maintenance costs of municipal facilities; At the same time, the color selection range is wide, which can meet the warning and recognition needs of transportation facilities, as well as adapt to the overall design requirements of urban landscapes.
5、 Furniture and Hardware Industry
Polyester powder coating has been maturely applied in the field of metal furniture and hardware accessories, covering multiple segmented scenarios such as office furniture, outdoor furniture, kitchen and bathroom hardware, and household hardware. Outdoor metal tables and chairs, courtyard furniture, sunshade brackets, etc. are mainly made of weather resistant pure polyester powder to resist outdoor moisture and sun exposure environments; Office metal cabinets, filing cabinets, shelves, metal desks, etc. are mostly made of polyester epoxy mixed powder, with a smooth and wear-resistant coating that is not easily deformed and has a high cost performance ratio; Kitchen and bathroom hardware pendants, shelves, bathroom metal accessories, door locks, handles, etc. are coated with polyester powder to achieve rust prevention, beauty, and easy cleaning effects, replacing traditional paint coating and making them more environmentally friendly and durable.
6、 Energy, Electricity, and New Energy Equipment Industry
Energy and power equipment are mostly located outdoors or in industrial environments, with high requirements for corrosion and weather resistance. Polyester powder coatings have become the core supporting materials in this field due to their stable protective performance. Traditional power systems are mostly used for equipment such as transformer casings, distribution boxes, distribution cabinets, motor casings, fan blades, cable trays, etc; The key applications in the field of new energy include photovoltaic brackets, photovoltaic frames, energy storage equipment shells, charging pile shells, wind power supporting metal parts, etc. Especially, the special super weather resistant polyester powder for photovoltaic brackets can adapt to long-term outdoor exposure, sandstorms, and saline alkali environments, ensuring stable operation of equipment for more than 20 years, and meeting the core requirements of long-term durability and low maintenance in the new energy industry. In recent years, with the expansion of the new energy industry, the demand growth rate in this field has been significant.
7、 General industrial equipment and construction machinery industry
The metal shells and accessories of various industrial equipment, agricultural machinery, and engineering machinery generally face harsh working conditions such as dust, oil stains, collisions, and corrosion. Polyester powder coatings can provide efficient protection. Mainly used in agricultural machinery bodies, agricultural machinery parts, engineering machinery cabins, excavator parts, storage equipment, industrial assembly line frames, instrument metal shells, hardware tools, pipeline anti-corrosion parts, etc. The coating has high mechanical strength, impact resistance, and chemical corrosion resistance, which can effectively protect equipment substrates, extend equipment service life, and improve equipment appearance cleanliness. It is suitable for various industrial scenarios such as factory workshops, farmland construction sites, and warehousing logistics.
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