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Diverse UV Wood Coating Finishes (Part 2)

Release time:

2026-04-10 23:02

Diverse UV Wood Coating Finishes (Part 2)

As consumer expectations for the surface finish of wood products continue to rise, coating technologies are also undergoing continuous breakthroughs and innovations. Solid-color UV coatings meet the demand for uniform, solid-colored surfaces in modern-style furniture thanks to their high hiding power and color consistency, while skin-touch UV coatings deliver an unprecedented tactile experience through a specialized curing process. This article provides an overview of solid-color UV coatings and skin-touch UV coatings, covering formulation design, process implementation, and application areas.

I. Solid-color UV Coating

Solid-color UV coatings are a type of paint that incorporates high-opacity pigments to completely conceal the wood substrate’s grain, delivering a uniform, rich color finish. They are widely used in modern-style furniture, components for white goods, and children’s furniture, among other applications.

1. High-opacity white and colored systems

White UV coatings are the most commonly used type in solid-color coating applications, with key performance indicators including opacity, whiteness, and yellowing resistance. Opacity depends on the titanium dioxide content and dispersion quality; whiteness determines the final color appearance of the product; and yellowing resistance requires the use of an anti-yellowing resin system to prevent yellowing over long-term service. Colored UV coatings are formulated by adding color pastes to white UV coatings, offering a wide range of color options.

2. Selection of Application Techniques: Single-Coat Coverage vs. Multiple-Coat Coverage

Single-coat coverage refers to achieving complete substrate concealment in a single application, offering high production efficiency, fewer coating passes, and lower material consumption; however, it places stringent demands on coating performance and application control. Multi-coat coverage, on the other hand, achieves concealment progressively through two or more coats, with the advantage of greater process tolerance but at the cost of lower production efficiency and higher material consumption. The choice between these two approaches depends on product positioning and cost considerations.

II. Skin-Feel UV Coating

Skin-feel UV coatings are a high-end topcoat product that has emerged in recent years. Through a specialized formulation and curing process, they deliver a fine, smooth, and silky tactile experience, making them a popular choice in the premium furniture and custom home furnishings sectors.

1. Principle of Tactile Feedback

The achievement of a skin-like tactile effect depends on the microstructure and material properties of the coating surface. Skin-feel UV coatings utilize a specialized resin system and functional additives to form a cured film with a low coefficient of friction and a soft, supple touch. Compared with conventional matte finishes, skin-feel coatings offer a more refined and warm tactile experience.

2. Excimer Lamp Extinction and Skin-Feel Integrated Process

Excimer lamp technology is the core process for achieving a skin-like tactile effect. The excimer lamp emits ultraviolet light at a specific wavelength, which creates a fine wrinkled structure on the coating surface, resulting in extremely low gloss and a distinctive tactile feel. The basic process involves applying a skin-touch UV topcoat, followed by pre-curing with an excimer lamp to form the micro-rough texture and skin-like finish, and then completing deep curing with a conventional mercury lamp or LED lamp to ensure adequate hardness and adhesion. The key advantage of this process is that it integrates matting and skin-touch effects in one step, eliminating the need for additional matting agents; moreover, excimer lamp curing is carried out at room temperature, preventing yellowing of the coating.

III. Conclusion

Solid-color UV coatings and skin-touch UV coatings represent technological breakthroughs in UV wood coatings, addressing visual opacity and tactile experience, respectively. Solid-color UV coatings achieve high opacity for both white and colored finishes through single-coat coverage or multi-coat build-up, while skin-touch UV coatings leverage excimer lamp matting technology to deliver a finely smooth and silky touch. The continuous development and refinement of these two technologies have expanded the range of aesthetic options available for wood finishing, meeting the market’s diverse demand for high-quality surface effects.

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Boxing Recommended Products – UV Wood Coatings
Solid-color paint
Product Model/English Abbreviation	Product Name/Product Type	Product Features
B-519	Self-curing polyester acrylate	Self-initiated photopolymerization performance
B-530	Polyester acrylate	Low viscosity, excellent hydrophobicity, thixotropy, and improved ink misting.
B-560	Polyester acrylate	Fast curing and excellent pigment wetting
Skin feel
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-165	Modified epoxy acrylate	Good flexibility and strong adhesion
B-241	Aliphatic polyurethane acrylate	Fast curing, excellent skin feel, and excellent yellowing resistance.
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-574C	Polyester acrylate	Low viscosity, low odor, excellent wettability, suitable for LED UV
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.
Single Product 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	Ethoxylated 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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Eco-friendly UV wood coating

Diverse UV Wood Coating Finishes (Part 1)