Application Areas of UV Wood Coatings


As the topcoat in a coating system, UV wood finish directly determines the final appearance and service performance of the product. Over many years of technological advancement and practical application, UV wood finishes have been widely adopted across multiple sectors of wood-product manufacturing. Different product types, operating environments, and aesthetic requirements place varying emphasis on specific performance attributes of the topcoat, thereby dictating differences in the selection of UV wood finishes for different application scenarios.

I. The Panel Furniture Sector

Panel furniture is one of the most common applications for UV wood coatings. This type of furniture uses engineered wood panels as its primary substrate, with the surface typically finished by veneering or direct coating.

The desktops and cabinet panels of office furniture have stringent requirements for surface wear resistance and stain resistance. The high hardness and chemical resistance of UV topcoats effectively meet the demands of everyday use, including scratch resistance and easy cleaning. High-gloss finishes are used in premium office furniture to deliver a smooth, lustrous visual effect, while matte finishes are employed in standard office furniture for a soft tactile feel and excellent smudge resistance.

Commercial panel furniture, such as wardrobes, beds, and TV cabinets, places high demands on surface finish quality. Clear varnish finishes are used for products veneered with precious wood, preserving the natural wood grain; tinted paint finishes are employed in more budget-friendly products to deliver a uniform, consistent color. Matte finishes, owing to their high tolerance for underlying imperfections and pleasant tactile feel, are particularly widely used in residential furniture.

II. Wood Flooring Sector

Wood flooring is a key application area for UV wood coatings. Solid wood flooring, engineered wood flooring, and laminate flooring all extensively utilize UV topcoats during the manufacturing process.

Solid wood flooring places high demands on wear resistance and scratch resistance. The high hardness and excellent abrasion resistance of UV topcoats enable them to withstand the friction and scuff marks caused by daily foot traffic and shoe soles. At the same time, the topcoat must possess a certain degree of flexibility to accommodate the dimensional changes that solid wood flooring undergoes due to fluctuations in temperature and humidity. Matte topcoats are the most widely used in the flooring industry because they are dirt-resistant, conceal scratches well, and deliver a natural visual appearance.

Solid wood composite flooring features a veneer of precious wood on its surface, which requires a highly transparent clear topcoat to fully showcase the natural beauty of the wood grain. The yellowing resistance of the topcoat is a critical performance indicator; inferior topcoats will yellow and discolor over time, compromising the aesthetic appeal of the flooring.

The wear-resistant layer of laminate flooring itself boasts high abrasion resistance, while the topcoat primarily serves a decorative function and provides additional protection.

III. Cabinet and Bathroom Cabinet Sector

Cabinets and bathroom vanities are used in relatively demanding environments, with prolonged exposure to moisture, grease, and various cleaning agents, which places stringent requirements on the water resistance and chemical resistance of the topcoat.

Cabinet doors are frequently exposed to kitchen grease, cleaning agents, and condiments, so the topcoat must offer excellent resistance to staining and chemical exposure while remaining easy to wipe clean. High-gloss finishes are popular in the cabinetry industry due to their smooth, lustrous appearance and ease of maintenance, whereas matte finishes are favored for products that emphasize a minimalist aesthetic.

Bathroom cabinets are exposed to high-humidity environments for extended periods, making the water resistance and moisture-proof performance of the topcoat critical. The topcoat must effectively prevent water vapor penetration to avoid substrate swelling due to moisture absorption and coating blistering or delamination. Yellowing resistance is also an important performance criterion for bathroom cabinet topcoats, as the humidity and cleaning agents in bathroom settings can accelerate yellowing of the coating.

IV. Wooden Door Sector

Wood door products include solid wood doors, solid wood composite doors, and molded doors, among others, and are characterized by large surface areas and stringent requirements for surface finish.

Interior doors have high aesthetic requirements, with the finish coat expected to deliver uniform sheen and color. Clear varnish finishes are used to highlight the natural grain of precious wood veneers, while tinted paint finishes are favored for modern-style solid-color door panels. Matte finishes are widely employed in the wooden-door industry due to their soft visual effect and high tolerance for imperfections in the underlying substrate.

Entrance doors have stringent requirements for exterior durability, as they must withstand prolonged exposure to sunlight and significant temperature fluctuations; therefore, the yellowing resistance and weatherability of the topcoat are critical performance indicators.

V. Decorative Molding Sector

Decorative moldings include skirting boards, door casings, picture frame moldings, and ceiling cornices, among others; these products are characterized by their slender profiles and complex cross-sectional shapes.

Decorative moldings are typically finished by spray coating, with the topcoat required to exhibit excellent atomization and leveling properties. Matte topcoats are widely used in the decorative molding sector due to their high tolerance for varying application conditions and their ability to conceal surface defects. High-gloss topcoats, on the other hand, are employed for premium decorative moldings but demand stricter application conditions and superior primer quality.

VI. Children’s Toys and Educational Aids

Children’s toys and educational aids have extremely stringent requirements for the safety and environmental friendliness of coating products, and UV wood finishes have found application in this field due to their low volatile organic compound emissions and rapid curing properties.

Wooden toys such as building blocks, puzzles, and models require surface coatings that are non-toxic and odorless, while also offering excellent abrasion resistance and saliva resistance. UV-cured topcoats exhibit extremely low residual monomer levels, meeting stringent safety standards for children’s products. Both high-gloss and matte finishes are used, depending on the product’s design aesthetic.

Wooden educational aids, desks, and chairs used in kindergartens and schools are subject to frequent use and significant wear, so the topcoat must exhibit high abrasion resistance and scratch resistance.

VII. Musical Instrument Manufacturing

The manufacturing of musical instruments places particularly stringent requirements on the topcoat: it must not only deliver excellent aesthetic appeal but also account for the coating’s impact on acoustic performance.

The piano’s case is finished with a high-gloss varnish, applied in multiple layers and meticulously polished to achieve a mirror-like sheen. The topcoat must exhibit exceptional hardness, wear resistance, and yellowing resistance to withstand frequent wiping and prolonged exposure to light over time.

The finish on the bodies of stringed instruments such as guitars and violins must balance protective properties with acoustic performance. The topcoat should not be too thick, as this could impair the wood’s vibrational characteristics. A highly transparent clear varnish not only preserves the wood’s natural grain but also provides essential protection.

VIII. Other Application Areas

In addition to the aforementioned primary application areas, UV wood finishes are also used in several specialized applications.

The coating of handicrafts and wooden gifts demands meticulous aesthetics; the rapid curing and excellent leveling properties of UV topcoats make them well-suited to meet the needs of small-batch, high-specification coating applications.

Wooden interior trim in ships and vehicles has specific requirements for weather resistance and chemical resistance of the coating, necessitating the selection of functional topcoats.

IX. Conclusion

The application scope of UV wood topcoats encompasses numerous wood-product manufacturing sectors, including panel furniture, wood flooring, kitchen cabinets, wooden doors, decorative moldings, children’s toys, and musical instruments. Different application areas place varying emphases on the performance requirements of topcoats; understanding these differences is essential for making informed product selection and designing appropriate coating processes.

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Bossin Recommended Products – UV Wood Coatings

Glossy topcoat

Product Model/English Abbreviation

Product Name/Product Type

Product Features

B-113

Bisphenol A epoxy acrylate

High hardness, high gloss, high fullness, containing 20% TPGDA.

B-163

Modified epoxy acrylate

Good flexibility, excellent pigment wetting, and strong adhesion.

B-165

Modified epoxy acrylate

Good flexibility and strong adhesion

B-21C

Active amine photosensitizing promoter

Low color number, antioxidant and anti-polymerization, and enhanced curing rate

B-301

Aromatic Polyurethane Acrylate

Fast curing, excellent toughness, and good grindability.

B-302

Aromatic Polyurethane Acrylate

Fast curing, high strength, good toughness, and excellent grindability.

B-574C

Polyester acrylate

Low viscosity, low odor, excellent wettability, suitable for LED UV

B-601

Aromatic Polyurethane Acrylate

High hardness, scratch resistance, chemical resistance, and excellent cost performance.

B-609

Aliphatic polyurethane acrylate

Fast curing, high hardness, scratch resistance, and chemical resistance.

B-868

Organosilicon UV-Curable Resin

Excellent leveling, smooth finish, fast curing, and stain resistance.

B-868H

Organosilicon UV-Curable Resin

Excellent leveling, smooth finish, fast curing, and stain resistance.

B-910A2

Aliphatic polyurethane acrylate

Low viscosity, yellowing resistance, chemical resistance, and steel-wool resistance.

B-912

Aliphatic polyurethane acrylate

Fast curing, high hardness, excellent toughness, and outstanding chemical and wear resistance.

Matte topcoat

Product Model/English Abbreviation

Product Name/Product Type

Product Features

B-160D

Modified epoxy acrylate

Good flexibility, yellowing resistance, and strong adhesion.

B-163

Modified epoxy acrylate

Good flexibility, excellent pigment wetting, and strong adhesion.

B-21C

Active amine photosensitizing promoter

Low color number, antioxidant and anti-polymerization, and enhanced curing rate

B-328M

Aliphatic polyurethane acrylate

Low gloss, low viscosity, excellent wettability, and a pleasant hand feel.

B-328R

Aliphatic polyurethane acrylate

Low gloss, excellent matting, good wetting, and a fine, smooth, and silky hand feel.

B-333

Aliphatic polyurethane acrylate

Low viscosity, excellent matting performance, good wetting, and excellent flexibility.

B-572

Polyester acrylate

Low viscosity, low odor, excellent wettability, suitable for LED UV

B-650A

Aliphatic polyurethane acrylate

Low viscosity, excellent matting effect, fast curing, and good wettability.

B-868

Organosilicon UV-Curable Resin

Excellent leveling, smooth finish, fast curing, and stain resistance.

B-868H

Organosilicon UV-Curable Resin

Excellent leveling, smooth finish, fast curing, and stain resistance.

B-910A2

Aliphatic polyurethane acrylate

Low viscosity, yellowing resistance, chemical resistance, and steel-wool resistance.

B-912

Aliphatic polyurethane acrylate

Fast curing, high hardness, excellent toughness, and outstanding chemical and wear resistance.

Bright White Finish

Product Model/English Abbreviation

Product Name/Product Type

Product Features

B-113

Bisphenol A epoxy acrylate

High hardness, high gloss, high fullness, containing 20% TPGDA.

B-160D

Modified epoxy acrylate

Good flexibility, yellowing resistance, and strong adhesion.

B-301

Aromatic Polyurethane Acrylate

Fast curing, excellent toughness, and good grindability.

B-302

Aromatic Polyurethane Acrylate

Fast curing, high strength, good toughness, and excellent grindability.

B-560

Polyester acrylate

Fast curing and excellent pigment wetting

B-574C

Polyester acrylate

Low viscosity, low odor, excellent wettability, suitable for LED UV

B-601

Aromatic Polyurethane Acrylate

High hardness, scratch resistance, chemical resistance, and excellent cost performance.

B-868

Organosilicon UV-Curable Resin

Excellent leveling, smooth finish, fast curing, and stain resistance.

B-868H

Organosilicon UV-Curable Resin

Excellent leveling, smooth finish, fast curing, and stain resistance.

B-912

Aliphatic polyurethane acrylate

Fast curing, high hardness, excellent toughness, and outstanding chemical and wear resistance.

Individual Recommendation

Product Model/English Abbreviation

Product Name/Product Type

Product Features

BM2223 (TPGDA)

Di(propylene glycol) diacrylate

Good flexibility and low volatility

BM2224 (EO-HDDA)

Ethoxy-1,6-hexanediol diacrylate

Excellent adhesion to plastics, good dilutability, and low volatility.

BM3231 (TMPTA)

Trimethylolpropane triacrylate

High crosslink density, high hardness, high gloss, and excellent wear resistance.

BM3235 (PET3A)

Pentaerythritol triacrylate

Fast curing, high crosslink density, high hardness, and excellent chemical resistance.

BM3380 (3EO-TMPTA)

Ethoxylated trimethylolpropane triacrylate

More flexible and less irritating than TMPTA.

BM6261 (DPHA-80)

Dipentaerythritol hexaacrylate

High crosslink density, high hardness, chemical and wear resistance, and water resistance.

BM6263 (DPHA-90)

Dipentaerythritol hexaacrylate

High crosslink density, high hardness, chemical and wear resistance, and water resistance.

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