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Diverse Application Methods for UV Wood Coatings

Release time:

2026-03-10 23:23

Diverse Application Methods for UV Wood Coatings

Thanks to its advantages such as rapid curing and strong environmental performance, UV wood coatings have become the mainstream material in the furniture finishing industry. Depending on the shape of the workpiece, the required surface smoothness, and the scale of production, the application methods can be categorized into three core processes: roll coating, spray coating, and dip coating. Each process complements the others in terms of operational logic, key technical considerations, and applicable scenarios, collectively forming a flexible system for the versatile application of UV wood coatings.

1. Roller Coating: A Highly Efficient Solution for Flat Workpieces

Roller coating has become the dominant method for coating large-area, flat panels, particularly well suited for standardized products such as flooring and cabinet door panels. Its core mechanism involves precisely controlling the thickness of the paint film by adjusting the gap between the paint‑applying roller and the leveling roller. The coating is transferred directly from the rollers to the workpiece surface, minimizing overspray and waste; when combined with automated production lines, it enables continuous, high‑speed manufacturing.

The advantage of this process lies in its high coating utilization rate and stable, uniform film quality, enabling it to meet the dual demands of efficiency and cost control in large‑scale production. Due to its mechanized operation, roll coating places stringent requirements on workpiece flatness; coating complex curved surfaces or irregularly shaped components via roll coating is often challenging.

2. Spray Coating: Precision Operations for Non‑Standard Workpieces

When the workpiece surface features curves, carvings, or three-dimensional contours, spray coating becomes an essential choice. The high solids content of UV spray coatings necessitates that application parameters be precisely matched to the workpiece’s shape: the paint output of the spray gun, atomization pressure, and workpiece movement path must all be adjusted in coordination to prevent paint buildup that could lead to whitening or cracking of the coating film.

Unlike traditional solvent-based coatings, UV coating requires a leveling stage after spraying. The wet film must be allowed to sit undisturbed in a specific temperature environment so that the paint can fully spread and release trace amounts of solvent. If this step is skipped, uneven solvent evaporation may lead to defects such as pinholes and haze after curing, compromising surface finish. The flexibility of the spraying process makes it a core method for coating irregularly shaped furniture components; however, its operational complexity and stringent environmental requirements are also relatively higher.

3. Coating: Technological Integration for High-End Surfaces

The curtain coating process is specialized in applying high-gloss, highly full-bodied coatings to premium furniture and decorative panels. The principle behind this process involves guiding workpieces at a constant speed through a continuous curtain of paint that falls vertically, where gravity and surface tension work together to form an even coating. This process places stringent demands on the rheological properties of the coating material, requiring temperature control to precisely regulate viscosity and flowability, thereby ensuring the stability of the paint curtain.

Dip coating can impart a mirror-like reflective effect to workpieces, but it comes with a significantly higher technical threshold than other processes. From optimizing the coating formulation to adjusting equipment precision, any deviation in any stage of the process can compromise the final result. Consequently, dip coating is typically used in applications that demand extremely high surface quality, such as luxury furniture and piano lacquer panels.

IV. Conclusion

Roll coating focuses on efficiency and cost, making it ideal for large‑scale production of standardized, flat workpieces; spray coating uses parameter adjustments to achieve coverage of complex geometries, meeting the fine‑tuning requirements for intricate shapes; and dip coating leverages technological investment to deliver exceptional surface finishes, catering to the high‑end market’s relentless pursuit of quality. The distinct positioning of these three processes collectively forms a comprehensive coating solution that covers all application scenarios. In practical applications, companies must combine processes based on the characteristics of their workpieces to achieve synergistic optimization of both efficiency and quality.

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Bossin Recommended Products – UV Wood Coatings
Putty primer
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-520	Polyester acrylate	Low viscosity, high gloss, excellent wettability, and cost-effective.
B-522	Polyester acrylate	Low shrinkage, excellent flexibility, strong adhesion, and high cost performance.
Sanding Primer
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-163	Modified epoxy acrylate	Good flexibility, excellent pigment wetting, and strong adhesion.
B-520	Polyester acrylate	Low viscosity, high gloss, excellent wettability, and cost-effective.
B-522	Polyester acrylate	Low shrinkage, excellent flexibility, strong adhesion, and high cost performance.
Primer
Product Model/English Abbreviation	Product Name/Product Type	Product Features
B-02	Phosphate ester acrylate	Enhance adhesion to substrates such as metal, glass, and plastic.
B-05	Phosphate ester acrylate	Enhance adhesion to substrates such as metal, glass, and plastic.
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-522	Polyester acrylate	Low shrinkage, excellent flexibility, strong adhesion, and high cost performance.
B-535	Polyester acrylate	Good adhesion, fast curing, excellent flexibility, and yellowing resistance.
B-546	Polyester acrylate	Good adhesion, fast curing, and excellent flexibility.
White primer
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-520	Polyester acrylate	Low viscosity, high gloss, excellent wettability, and cost-effective.
B-522	Polyester acrylate	Low shrinkage, excellent flexibility, strong adhesion, and high cost performance.
B-529	Polyester acrylate	Good adhesion, low shrinkage, and excellent resin compatibility.
B-560	Polyester acrylate	Fast curing and excellent pigment wetting.
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 photoinitiator	Low color, antioxidant and polymerization inhibitor, enhanced curing rate
B-301	Aromatic Polyurethane Acrylate	Fast curing, good toughness, and excellent sandability.
B-302	Aromatic Polyurethane Acrylate	Fast curing, high strength, good toughness, and excellent grindability.
B-574C	Polyester acrylate	Low viscosity, low odor, good wettability, suitable for LED UV.
B-601	Aromatic Polyurethane Acrylate	High hardness, scratch resistance, chemical resistance, and excellent value for money.
B-609	Aliphatic polyurethane acrylate	Fast curing, high hardness, scratch resistance, and chemical resistance.
B-868	Organosilicon Photocurable Resin	Good leveling, smooth finish, fast curing, and stain resistance.
B-868H	Organosilicon Photocurable Resin	Good 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, good toughness, and excellent chemical and abrasion resistance.
Matte finish paint
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 photoinitiator	Low color, antioxidant and polymerization inhibitor, enhanced curing rate
B-328M	Aliphatic polyurethane acrylate	Low gloss, low viscosity, good wettability, pleasant to the touch.
B-328R	Aliphatic polyurethane acrylate	Low gloss, excellent matting effect, good wetting properties, and a fine, smooth hand feel.
B-333	Aliphatic polyurethane acrylate	Low viscosity, good matting effect, excellent wettability, and good flexibility.
B-572	Polyester acrylate	Low viscosity, low odor, good wettability, suitable for LED UV.
B-650A	Aliphatic polyurethane acrylate	Low viscosity, good matting effect, fast curing, and excellent wettability.
B-868	Organosilicon Photocurable Resin	Good leveling, smooth finish, fast curing, and stain resistance.
B-868H	Organosilicon Photocurable Resin	Good 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, good toughness, and excellent chemical and abrasion resistance.
Bright white paint
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, good toughness, and excellent sandability.
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, good wettability, suitable for LED UV.
B-601	Aromatic Polyurethane Acrylate	High hardness, scratch resistance, chemical resistance, and excellent value for money.
B-868	Organosilicon Photocurable Resin	Good leveling, smooth finish, fast curing, and stain resistance.
B-868H	Organosilicon Photocurable Resin	Good leveling, smooth finish, fast curing, and stain resistance.
B-912	Aliphatic polyurethane acrylate	Fast curing, high hardness, good toughness, and excellent chemical and abrasion resistance.
Adherent
Product Model/English Abbreviation	Product Name/Product Type	Product Features
B-05	Phosphate ester acrylate	Enhance adhesion to substrates such as metal, glass, and plastic.
B-509B	Polyester acrylate	Good adhesion, excellent flexibility, and excellent pigment wetting.
B-531	Polyester acrylate	Good adhesion, impact resistance, excellent flexibility, and yellowing resistance.
B-535	Polyester acrylate	Good adhesion, fast curing, excellent flexibility, and yellowing resistance.
B-546	Polyester acrylate	Good adhesion, fast curing, and excellent flexibility.
B-590	Polyester acrylate	Good adhesion, fast curing, and excellent pigment wetting.
Filler type
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-520	Polyester acrylate	Low viscosity, high gloss, excellent wettability, and cost-effective.
B-522	Polyester acrylate	Low shrinkage, excellent flexibility, strong adhesion, and high cost performance.
B-529	Polyester acrylate	Good adhesion, low shrinkage, and excellent resin compatibility.
Retouch color
Product Model/English Abbreviation	Product Name/Product Type	Product Features
B-560	Polyester acrylate	Fast curing and excellent pigment wetting.
Hardened
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-301	Aromatic Polyurethane Acrylate	Fast curing, good toughness, and excellent sandability.
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, good wettability, suitable for LED UV.
B-601	Aromatic Polyurethane Acrylate	High hardness, scratch resistance, chemical resistance, and excellent value for money.
B-912	Aliphatic polyurethane acrylate	Fast curing, high hardness, good toughness, and excellent chemical and abrasion resistance.
Matte
Product Model/English Abbreviation	Product Name/Product Type	Product Features
B-328M	Aliphatic polyurethane acrylate	Low gloss, low viscosity, good wettability, pleasant to the touch.
B-328R	Aliphatic polyurethane acrylate	Low gloss, excellent matting effect, good wetting properties, and a fine, smooth hand feel.
B-329D	Aliphatic polyurethane acrylate	Low irritation, low viscosity, excellent wettability, and pleasant to the touch.
B-333	Aliphatic polyurethane acrylate	Low viscosity, good matting effect, excellent wettability, and good flexibility.
B-650A	Aliphatic polyurethane acrylate	Low viscosity, good matting effect, fast curing, and excellent wettability.
Solid-color paint
Product Model/English Abbreviation	Product Name/Product Type	Product Features
B-519	Self‑Curing Polyester Acrylate	Self‑initiated Photocuring Performance
B-530	Polyester acrylate	Low viscosity, excellent hydrophobicity, thixotropic properties, and improved ink mist.
B-560	Polyester acrylate	Fast curing and excellent pigment wetting.
Yellowing resistance
Product Model/English Abbreviation	Product Name/Product Type	Product Features
B-160D	Modified epoxy acrylate	Good flexibility, yellowing resistance, and strong adhesion.
B-431	Alicyclic Specialty Acrylates	Yellowing resistance, excellent wettability, low viscosity, fast curing.
Coating by spraying
Product Model/English Abbreviation	Product Name/Product Type	Product Features
B-160D	Modified epoxy acrylate	Good flexibility, yellowing resistance, and strong adhesion.
Roller Coating
Product Model/English Abbreviation	Product Name/Product Type	Product Features
B-100	Bisphenol A epoxy acrylate	High hardness, high gloss, excellent chemical resistance, and rich body.
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-163	Modified epoxy acrylate	Good flexibility, excellent pigment wetting, and strong adhesion.
B-165	Modified epoxy acrylate	Good flexibility and strong adhesion.
B-520	Polyester acrylate	Low viscosity, high gloss, excellent wettability, and cost-effective.
B-522	Polyester acrylate	Low shrinkage, excellent flexibility, strong adhesion, and high cost performance.
Solvent-free spraying
Product Model/English Abbreviation	Product Name/Product Type	Product Features
B-251	Aromatic Polyurethane Acrylate	Fast curing, excellent flexibility, and good wetting performance with black ink pigments.
B-520	Polyester acrylate	Low viscosity, high gloss, excellent wettability, and cost-effective.
B-574C	Polyester acrylate	Low viscosity, low odor, good wettability, suitable for LED UV.
LED-UV
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-21C	Active amine photoinitiator	Low color, antioxidant and polymerization inhibitor, enhanced curing rate
B-27	Active amine photoinitiator	Low color, benzene-free, low odor, antioxidant and anti‑polymerization.
B-570	Polyester acrylate	Low viscosity, benzene‑free, low odor, suitable for LED UV.
B-574	Polyester acrylate	Benzene-free, low odor, and VOCs meet cigarette pack standards.
B-574C	Polyester acrylate	Low viscosity, low odor, good wettability, suitable for LED UV.
Excimer lamp
Product Model/English Abbreviation	Product Name/Product Type	Product Features
B-241	Aliphatic polyurethane acrylate	Fast matting speed, excellent skin feel, and yellowing resistance.
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 matting speed, excellent skin feel, and yellowing resistance.
B-328M	Aliphatic polyurethane acrylate	Low gloss, low viscosity, good wettability, pleasant to the touch.
B-328R	Aliphatic polyurethane acrylate	Low gloss, excellent matting effect, good wetting properties, and a fine, smooth hand feel.
B-574C	Polyester acrylate	Low viscosity, low odor, good wettability, suitable for LED UV.
B-868	Organosilicon Photocurable Resin	Good leveling, smooth finish, fast curing, and stain resistance.
B-868H	Organosilicon Photocurable Resin	Good leveling, smooth finish, fast curing, and stain resistance.
Single-Component 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	Good adhesion to plastics, excellent 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 abrasion resistance, and water resistance.
BM6263 (DPHA-90)	Dipentaerythritol hexaacrylate	High crosslink density, high hardness, chemical and abrasion resistance, and water resistance.

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Common Defects in UV Wood Coatings (Part 1)

Analysis of Key Techniques in Coating UV Wood Coatings (Part 2)