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Water-based aluminum pigments

Name: Water-based aluminum pigments
Brand: Aluminium Pigment ,Aluminium Powder,Hefei Sunrise Aluminium Pigment CO.,LTD
Availability: InStock

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Product Introduction

Water-based aluminum pigments, also known as water-based aluminum silver pastes, have developed alongside the promotion of water-based coatings. Metallic aluminum is a reactive amphoteric metal element, readily reacting with water, acids, and alkalis. Therefore, special surface treatment is necessary when applying it to water-based resin systems. This product is suitable for general industrial paints and automotive coatings, and is free of heavy metals, allowing for the control of nonylphenol, polycyclic aromatic hydrocarbons, plasticizers, benzene compounds, etc.

01 WAG Series Water-Based Aluminum Pigments

This series of aluminum pigments has a polymer-coated surface, exhibits good compatibility with water-based resin systems, and possesses excellent metallic properties. It is used in industries such as baking paint, wallpaper, coating, and bottle paint.


Grade	（μm）	Non-Volatile Content(±2%)	Surface treatment	Solvent	Kg/barrel
WAG8005	13	65	聚合物	BCS/IPA	25Kg
WAG8008A	18	65	聚合物	BCS/IPA	25Kg
WAG8214	23	68	聚合物	BCS/IPA	25Kg
WAG8221	30	68	聚合物	BCS/IPA	25Kg

02 Water-based Silicone-coated WHD Series

This series of aluminum pigments features a surface coated with silica, resulting in a uniform and dense coating with minimal loss of metallic sheen. It is used in industries such as water-based printing inks, baking varnishes, plastic paints, automotive OEM paints, and architectural coatings.


Grade	（μm）	Non-Volatile Content(±2%)	Surface treatment	Solvent	Kg/barrel
WHD6607A	11	55	SiO2	IPA	25Kg
WHD6613A	16	60	SiO2	IPA	25Kg
WHD8008A	18	60	SiO2	IPA	25Kg
WHD8214	23	65	SiO2	IPA	25Kg
WHD8221	30	65	SiO2	IPA	25Kg
WHD8255	48	65	SiO2	IPA	25Kg

03 Water-based WHS Series

This series of aluminum pigments undergoes a dual-layer coating treatment of organic and inorganic materials, exhibiting excellent acid and alkali resistance and storage stability. It is particularly suitable for the building exterior wall industry.

Grade	（μm）	Non-Volatile Content(±2%)	Surface treatment	Solvent	Kg/barrel
WHS3014	14	55	SiO2+树脂	BCS	15Kg
WHS5026	26	65	SiO2+树脂	BCS	15Kg
WHS5050	50	65	SiO2+树脂	BCS	15Kg

04 Water-based Silver Powder SFW Series

This type of aluminum pigment coating has a silica-coated surface, is solvent-free, and has excellent weather resistance and temperature resistance. It is used in industries such as ink and wallpaper printing.

Grade	（μm）	Non-Volatile Content(±2%)	Surface treatment	Kg/barrel
SFW8009	16	≥97	SiO2	25kg
SFW8221	30	≥97	SiO2	25kg
SFW8230	35	≥97	SiO2	25kg

05 Water-based Silver Strips WHT Series

Silica-coated aluminum silver paste strips, odorless, with excellent dispersibility and storage stability. Used in industries such as ink printing.

Grade	（μm）	Solid Content(%)	Surface treatment	Kg/barrel
WHT84086	8	≥95	SiO2	15Kg
WHT84096	9	≥95	SiO2	15Kg
WHT84116	11	≥95	SiO2	15Kg
WHT83116	16	≥95	SiO2	15Kg

06 Special for water-based W series coating

This series is an oil-to-water product with high cost performance and is used in coating, paper and other industries.

Grade	（μm）	Solid Content(%)	colour	Kg/barrel
W0506A	15	>70	Good white brightness and good hiding power	25Kg
W168	14	>70	Fine white skin has slightly poor coverage.	25Kg

Product Performance

1. Comparison of Dispersion Performance Tests

Tested using water-based acrylic modified polyurethane emulsion

A certain domestic water-based aluminum pigment vs. Xuyang water-based aluminum pigment

2. Leveling performance test comparison

A certain domestic water-based aluminum pigment vs. Xuyang water-based aluminum pigment

3. Compatibility Test Comparison

Product Application

01 3C Electronics & Home Appliances

02 Automotive Coatings

03 Balloons

04 Printed Wallpaper

05 Ink Wash Prints

Translated with DeepL.com (free version)

Application Guidelines

1. Storage Stability Test (It is recommended to perform this test before using aluminum-silver paste)
Prepare 200 g of coating by mixing 1 part aluminum-silver paste with 9 parts water-based binder (pH = 5–9). Store the mixture in a sealed container at 40°C for 30 days or at 50°C for 7 days. After storage, observe any changes in overall performance and ensure that the amount of gas released does not exceed 10 ml.

Translated with DeepL.com (free version)

2. Recommended Methods for Adding Aluminum-Silver Paste
Step 1: It is recommended to pre-disperse the aluminum paste in a co-solvent (one or more of ether, alcohol, or deionized water) at a ratio of 1:1.5 or 1:2. Adding a wetting and dispersing agent during pre-dispersion yields better results;
Step 2: Add the water-based resin and other additives to the dispersion tank according to the formulation ratios, and stir until uniform;
Step 3: While stirring, add the aluminum paste dispersion to the pre-dispersed water-based resin system. Stir at low speed (paddle-type mixing is recommended, with a speed controlled between 300–500 rpm) until uniform, ensuring complete dispersion to achieve the best possible pigment performance.

3. Storage Instructions for Water-Based Aluminum Silver Paste
The unopened WA and WD series aluminum-silver pastes have a shelf life of 3 months. Once opened, they are prone to exposure to air; to prevent quality degradation, please use them as soon as possible. Long-term storage after paint formulation is not recommended. The unopened WH and WL series aluminum-silver pastes have a shelf life of 12 months. If the shelf life has expired, it is recommended to conduct a small-scale test before use. After paint formulation, storage should not exceed 5 months.

4. Storage Conditions
Avoid direct sunlight and keep away from open flames, water, and corrosive substances. Store at a temperature not exceeding 25°C.
Humidity should not exceed 60%. Seal the container promptly after removing the product.

5. Disclaimer
The testing methods and storage periods listed above are reference data obtained by our company based on customer feedback and internal experiments, and are provided for customer reference only. Due to differences in systems, formulations, and usage environments, customers are advised to conduct thorough testing before use to prevent unnecessary financial losses.

Spherical aluminum powder

none

Spherical aluminum powder

none