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Method for Selecting UV Wood Primer (Part 2)

Release time:

2026-03-30 17:31

Method for Selecting UV Wood Primer (Part 2)

The selection of UV wood primers requires a comprehensive evaluation from the perspectives of product positioning, cost control, and empirical validation. The product’s market positioning determines the required level of coating quality, cost considerations influence the economic viability of the selection, and validation methods serve as the essential means to ensure that the right choice is made. An appropriate selection should both meet product quality requirements and enable effective cost control.

I. Considerations from the Perspective of Product Positioning

The product’s market positioning determines the coating quality grade, which in turn influences the selection of the primer.

1. High-end products have stringent requirements for coating quality, so higher-performance primer types should be selected. For high-end clear coatings, use a high-quality sanding primer to ensure that the sanded surface achieves exceptional smoothness and transparency. For high-end solid-color coatings, choose a white primer with excellent yellowing resistance to maintain color stability over long-term use. For high-end solid-wood products, select an adhesion-enhancing primer to ensure a strong bond between the coating and the substrate.

2. Mid-range products place greater emphasis on cost control while ensuring basic performance. Based on the substrate characteristics and coating requirements, cost-effective primer types can be selected; where performance meets the required standards, economic considerations should be given priority.

II. Considerations Regarding Complementarity

The primer must be well matched with the topcoat and the overall coating process; this is a critical factor to consider when making your selection.

1. In terms of compatibility with the topcoat, high-gloss topcoats should be paired with sanded primers that deliver a highly smooth and even surface; white topcoats should be matched with white primers that offer excellent whiteness and good resistance to yellowing; and clear topcoats should be used with highly transparent sanded primers or clear putty primers. When making your selection, ensure that the performance characteristics of the primer are well matched to the requirements of the topcoat.

2. In terms of process compatibility, in multi-coat painting systems, the primer must exhibit excellent intercoat adhesion; in wet-on-wet processes, it must also meet specified requirements for leveling and sag resistance. When selecting a primer, the specific process requirements should be taken into account to ensure that its performance is well matched to the process conditions.

III. Considerations from a Cost Perspective

Cost is a factor that cannot be overlooked when selecting a primer and must be comprehensively evaluated from multiple perspectives.

1. In terms of material costs, there are price differences among various types of primers. High-transparency primers and primers with special functions generally cost more than standard primers. When making a selection, it is necessary to strike a balance based on the product’s market positioning and budget. At the same time, although high-solids primers have a higher unit price, they require a lower application rate per unit film thickness, which may result in lower overall material costs.

2. In terms of production efficiency, the choice of primer can significantly impact overall costs. High-reactivity primers can boost throughput, easy-to-sand primers can reduce sandpaper consumption and labor costs, and primers with excellent leveling properties can minimize rework. In some cases, opting for a slightly more expensive high-performance primer can actually lower total costs by improving efficiency.

IV. Considerations Regarding Verification Methods

Regardless of the selection method employed, the correctness of the choice must ultimately be verified through practical testing.

1. Pilot testing is an effective method for validating the selection of a primer. Prior to full-scale production, conduct small-batch trial coatings using the selected primer, evaluate the coating appearance, application suitability, and performance characteristics, and confirm that they meet the specified requirements.

2. Adjustment of process parameters is a critical step in the validation process. Based on the test results, adjust process parameters such as coating weight, curing energy, and sanding grit to identify the optimal process conditions, thereby ensuring that the primer’s performance is fully realized.

V. Conclusion

Selecting a UV wood primer based on product positioning, compatibility, cost considerations, and validation methods is a critical approach to ensuring that the selection aligns with real-world application requirements. Product positioning determines the primer’s quality grade; compatibility assessments ensure harmonization with topcoats and application processes; cost factors dictate the economic viability of the choice; and validation methods serve as the essential means of confirming the correctness of the selection. In practice, these factors must be comprehensively weighed against the specific circumstances of each case. Small-scale trials and pilot production runs should then be conducted to verify the appropriateness of the chosen formulation, ultimately identifying a primer type that matches the product’s positioning, meets cost objectives, and strikes an optimal balance among quality, efficiency, and cost.

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Boxing 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, contains 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-effectiveness.
Sanding primer
Product Model/English Abbreviation	Product Name/Product Type	Product Features
B-113	Bisphenol A epoxy acrylate	High hardness, high gloss, high fullness, contains 20% TPGDA
B-160D	Modified epoxy acrylate	Good flexibility, yellowing resistance, and excellent 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-effectiveness.
Apply primer
Product Model/English Abbreviation	Product Name/Product Type	Product Features
B-02	Phosphate ester acrylate	Enhances adhesion to substrates such as metal, glass, and plastic.
B-05	Phosphate ester acrylate	Enhances adhesion to substrates such as metal, glass, and plastic.
B-113	Bisphenol A epoxy acrylate	High hardness, high gloss, high fullness, contains 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-effectiveness.
B-535	Polyester acrylate	Excellent adhesion, rapid curing, good 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, contains 20% TPGDA
B-160D	Modified epoxy acrylate	Good flexibility, yellowing resistance, and excellent 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-effectiveness.
B-529	Polyester acrylate	Good adhesion, low shrinkage, and excellent resin compatibility.
B-560	Polyester acrylate	Fast curing and excellent pigment wetting
Single-item 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, 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	Tripropylene Glycol 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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Common Applications of UV Wood Primer

How to Choose a UV Wood Primer (Part 1)