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Production Process of UV Gel Nail Polish

Release time:

2026-04-16 17:25

Production Process of UV Gel Nail Polish

The production of UV gel nail polish is a systematic process that involves mixing, dispersing, tinting, filtering, and packaging multiple raw materials according to specific sequences and process parameters. Unlike the simple stirring required for conventional nail polish, gel nail polish production demands strict control over temperature, lighting conditions, and dispersion parameters to ensure optimal curing performance, stability, and application results. A standardized production process is the foundation for maintaining consistent product quality and batch-to-batch uniformity.

I. Raw Material Preparation and Inspection

The production process begins with raw-material preparation and inspection. Various raw materials—such as resins, reactive monomers, photoinitiators, additives, and color pastes—are procured in accordance with the formulation specifications. Upon arrival at the plant, these materials must undergo quality inspection; only after confirming that all relevant parameters meet the required standards may they be put into use. Photoinitiators are sensitive to ultraviolet light and must be stored under light-protected conditions, while resins and monomers should be sealed to prevent moisture absorption and oxidation. Before weighing, verify the material name, batch number, and quantity, then accurately measure each component according to the formulation ratios, ensuring that weighing accuracy is maintained within the specified tolerance range.

II. Feeding and Pre-Mixing

Pure acrylic ester resin and acrylic ester monomers are sequentially fed into the dispersion tank. The typical feeding sequence is to add the lower-viscosity component first, followed by the higher-viscosity component, to facilitate mixing. A high-speed disperser is then started for preliminary mixing, which is usually carried out under heated conditions; heating helps reduce the resin viscosity and enhances mixing efficiency. During mixing, the temperature must be maintained within the specified range, and the stirring speed should be gradually increased in accordance with the material’s state. The objective of preliminary mixing is to ensure that the resin is fully dissolved in the monomer, resulting in a uniform, transparent base formulation. No photoinitiator is added at this stage, so light-protected handling is not required.

III. Addition of Photoinitiators and Additives

After the resin and monomer have been thoroughly mixed and cooled, the photoinitiator and various additives are introduced. The photoinitiator must be added under light-protected conditions, with the stirring speed appropriately reduced to minimize heat generation from excessive shear. The typical addition sequence for the additives is to first add the leveling agent and defoamer, followed by the wetting agent and inhibitor. During this stage, the stirring time should be sufficient to ensure complete dissolution of the photoinitiator and uniform dispersion of the additives, resulting in a homogeneous mixture.

IV. Addition of the Base Resin

Add the polyurethane acrylate resin to the above mixture and continue stirring under light-protected conditions. Polyurethane acrylate is a key component that determines the flexibility and adhesion of the coating, and it must be thoroughly and uniformly mixed. The stirring time at this stage is determined based on the formulation characteristics to ensure that all components are blended at the molecular level. The final product is a uniform, transparent gel polish base.

V. Color Mixing

For colored gel products, color paste must be added to the base material for tinting. The amount of color paste added is determined based on the desired color. After adding the color paste, continue stirring until it is completely and uniformly dispersed. During the tinting process, samples should be taken and compared with the standard color chart, with fine adjustments made as necessary. For light-colored products such as white, attention should also be paid to the whiteness and opacity of the color paste. Transparent products, such as primer and topcoat, do not require a tinting step.

VI. Filtration

The prepared gel polish is filtered through a filter cloth to remove undispersed particles, impurities, and any small agglomerates that may have formed. The mesh size of the filter is selected based on the required fineness of the product. The filtration should be carried out under light-protected conditions, and the filtration equipment must be kept clean to prevent cross-contamination. After filtration, the product should exhibit a fine, uniform consistency with no visible particles or impurities.

VII. Packaging and Storage

The filtered product is then packaged. The packaging containers must be made of light-protective materials, such as colored glass bottles or opaque plastic bottles, to prevent photoinitiators from being activated during storage. During filling, the fill volume must be carefully controlled, and the closures must be tightly sealed to prevent monomer volatilization and external contamination. After packaging is complete, the production date, batch number, and specifications shall be clearly indicated on the product label. The finished product should be stored in a cool, light-protected warehouse, with temperature maintained within the specified range, and protected from direct sunlight and high-temperature environments.

VIII. Production Records and Traceability

Each production batch must be accompanied by a detailed production record, including raw material batch numbers, weighing data, process parameters, and inspection results. These records serve as the foundation for product quality traceability; in the event of quality issues, they enable identification of the root cause. Establishing a comprehensive production recording and traceability system is a critical means of ensuring consistent product quality and facilitating continuous improvement.

IX. Conclusion

In actual production, process parameters may vary depending on the formulation and equipment used, necessitating adjustments based on specific conditions. The sequence of ingredient addition, temperature control, and light-protected handling are critical steps for ensuring product quality; any oversight at any stage can compromise the performance of the final product. Establishing standardized operating procedures and a robust documentation system helps maintain consistent product quality and enables rapid root-cause analysis when issues arise. Production personnel must adhere strictly to standard operating procedures and continuously focus on optimizing process details.

Disclaimer: The above content has been compiled from publicly available sources for reference only; if any infringement occurs, please contact us and we will address it promptly.

Boxing Recommended Products – UV Gel Nail Polish
Base coat
Product Model/English Abbreviation	Product Name/Product Type	Product Features
B-02H	Phosphate ester acrylate monomer	Enhances adhesion to substrates such as metal, glass, and plastic.
B-2016	Polyester acrylate	High molecular weight, excellent flexibility, strong adhesion, and low heat release.
B-2018	Aliphatic polyurethane acrylate	Good adhesion, good flexibility, and water resistance.
Colored tape
Product Model/English Abbreviation	Product Name/Product Type	Product Features
B-151DM	Modified epoxy acrylate	Low halogen, yellowing resistance, excellent plating performance, and strong adhesion.
B-162	Epoxy acrylate	Fast curing, low odor, high gloss, and high fullness
B-166A	Modified epoxy acrylate	Good flexibility and strong adhesion
B-166A-85	Modified epoxy acrylate	Good flexibility, excellent adhesion, contains 15% HEMA
B-166A-85P	Modified epoxy acrylate	Good flexibility, excellent adhesion, contains 15% HEMA
B-27	Active amine photosensitizing promoter	Low color number, benzene-free, low odor, antioxidant and anti-polymerization
B-296	Aliphatic polyurethane acrylate	Fast curing, chemical resistance, yellowing resistance, and impact resistance.
Extended glue
Product Model/English Abbreviation	Product Name/Product Type	Product Features
B-210D	Aliphatic polyurethane acrylate	Fast curing, low heat release, and excellent toughness.
T-2022D	Aliphatic polyurethane acrylate	Non-stick, low heat generation, strong adhesion, high hardness
Sealant glue
Product Model/English Abbreviation	Product Name/Product Type	Product Features
B-376	Aliphatic polyurethane acrylate	LED yellowing is minimal, and the nail polish formulation exhibits excellent stability.
B-412T-6	Aliphatic polyurethane acrylate	Good toughness, tin-free, and excellent stability of the nail polish formulation.
Matte Sealing Layer
Product Model/English Abbreviation	Product Name/Product Type	Product Features
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-329D	Aliphatic polyurethane acrylate	Low irritation, low viscosity, excellent wettability, and a pleasant feel.
One-step adhesive
Product Model/English Abbreviation	Product Name/Product Type	Product Features
B-315	Aliphatic polyurethane acrylate	Wear and chemical resistance, high hardness, toughness, and yellowing resistance.
A-grade film
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-216	Aliphatic polyurethane acrylate	Fast curing, high build, and excellent toughness
B-268M	Aliphatic polyurethane acrylate	Good flexibility, excellent adhesion, excellent plating performance, and strong hiding power.
B-619W	Aliphatic polyurethane acrylate	Fast curing, high hardness, good toughness, wear resistance, and chemical resistance.
Single Product Recommendation
Product Model/English Abbreviation	Product Name/Product Type	Product Features
BM1211 (HPMA)	Hydroxypropyl methacrylate	HEMA-free, high strength, low irritation, high adhesion

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Key Points in the Production Process of UV Gel Nail Polish

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