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KWH0682 Water-based Quick-drying Epoxy Zinc-rich Primer


Can be used in environments with temperatures below 10℃ and humidity greater than 75%. The product is specially designed to achieve drying speed comparable to oil-based products in low temperature and high humidity environments. This product has good adhesion and anti-rust performance, used for long-term anti-rust in highly corrosive environments such as petrochemical plants, power plants, and seaport terminals, and is also widely used in petroleum system equipment.

Categorize: Option two


Product Details


Product Features and Uses:

Can be used in environments with temperatures below 10℃ and humidity greater than 75%.

The product is specially designed to achieve drying speed comparable to oil-based products in low temperature and high humidity environments. This product has good adhesion and anti-rust performance, used for long-term anti-rust in highly corrosive environments such as petrochemical plants, power plants, and seaport terminals, and is also widely used in petroleum system equipment.

 

Technical Indicators:

Item

Indicator

Test Method

Item

Indicator Test Method

Drying Time(40℃)

Surface Dry:<1h

GB/T 1728-1979

Suitable Period(40℃)

≥ 2h

HG/T 4755-2014

Thorough Dry: ≤10h

GB/T 1728-1979

Salt Spray Resistance

≥ 2160h

GB/T 1771-2007
Zinc Content in Metal >80% HG/T 3668-2009 Impact Resistance > 50cm GB/T 1732-1993

Adhesion

>6Mpa GB/T 5210-2006

VOC(g/L)

≤ 300 GB 30981-2020

 

Surface Preparation:

The product is directly used on steel surfaces treated to Sa2.5 grade or St3 grade.

 

Product Matching and Construction Parameters:

Compatible with water-based quick-drying epoxy micaceous iron intermediate paint and water-based quick-drying polyurethane paint. Other matchings can be formulated according to specific situations.

Product ratio: KWH0682 : KWHG40 = 9 : 1

Matching dilution: Clean tap water/distilled water

Construction Method

Dilution Ratio

Construction Viscosity(40℃)

Remarks

Air Spraying

3-8%

T-4 20-40s

The viscosity of the coating will decrease with the increase of ambient temperature, so the specific working viscosity should be slightly adjusted according to the actual environmental conditions

Pressure Feed Air Spraying 2-5% T-4 35-60s

High-pressure Airless Spraying

0-5%

T-4 50-80s

The drying effect of water-based coating products is greatly influenced by different environmental factors. Use should be comprehensively judged based on temperature, humidity, wind speed, and drying conditions to achieve the best film appearance and performance. The interval for recoating must be more than 1 hour after surface drying, the actual time depends on different environmental humidity and temperature; generally between 2h to 6h; the interval for topcoat recoating is best over 24 hours.

 

Notes:

The product must be thoroughly stirred before use and frequently stirred during use to prevent sedimentation.

Do not mix with other coatings, oils, contaminated water, strong acids, strong alkalis, strong oxidants, and organic solvents that may affect product performance.

 

Packaging, Storage, and Transportation:

Stored and transported as non-dangerous goods, avoid freezing during storage and transportation, storage and transportation temperature 5℃-35℃, ensure temperature above 5℃, if below this temperature, good insulation measures must be taken; the effective storage period without opening is six months. If it exceeds the storage period, it can still be used after passing inspection.

 

Safety and Environmental Regulations:

This product does not contain flammable organic solvents. Follow painting safety regulations and process operating procedures during use. Necessary protective equipment should be worn during construction. If skin contact occurs, wash immediately with soap and water. If it gets into the eyes, rinse immediately with plenty of water and seek medical attention.

 

Statement:

If you have any questions about the product, please contact us for detailed inquiries or technical service applications. The company reserves the right to modify this manual without prior notice. The company is only responsible for the quality of the paint products themselves.


Keyword:

KWH0682 Water-based Quick-drying Epoxy Zinc-rich Primer

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