General Purpose Epoxy Primer

General Purpose Epoxy Primer

General Purpose Epoxy Primer is a two-component coating with polyamide-cured modified epoxy resin as the main film-forming material, with strong adhesion, corrosion resistance, abrasion resistance and chemical resistance.

Suitable for anti-corrosion priming on various metal surfaces. Designed for new steel structures in moderate to severe industrial corrosive environments, can be used as a primer or intermediate coat. Also applicable in maintenance coating systems.


Product Features


Adheres firmly to metal surfaces and provides a good substrate for subsequent coatings.

Effectively blocks corrosive media from attacking metal substrates, extending the service life of metal surfaces.

Excellent abrasion resistance and chemical resistance, featuring hardness and durability against acids, alkalis, solvents, etc., suitable for harsh industrial environments.

Suitable for high-build application, achieving greater film thickness for enhanced anti-corrosion performance.


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Product Comparison


PerformancesEpoxy PrimerAlkyd Primer
AdhesionExcellenceWell
Corrosion resistanceExcellenceNormal
Chemical resistanceExcellenceNormal
Thick Coating PropertyWellNormal



Application Scope


Used for new steel surfaces in moderate to severe industrial corrosion environments, metal surfaces requiring strong chemical resistance, such as petrochemical, power facilities and other general steel surfaces.


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Technical Parameters


Color

Gray and Iron Red

Volume Solid

56

Flashpoint

Above 23

Coating Film Thickness

Dry film: 75-200 μm/coat

Wet film: 134-357 μm/coat


Theoretical Coating Rate

                                    0.233 kg/m2/100 µm

             The actual application rate depends on various factors such as surface treatment, external environment and application method.



Coating System


Suitable for steel structures that are exposed to harsh environments for long periods of time, such as bridges, buildings, and waterfront facilities.

Primer: Epoxy Primer, Top Coat: Fluorocarbon Top Coat


Suitable for steel structures used in general environment, such as doors, windows, railings, etc.

Primer: Epoxy Primer, Top Coat: Acrylic Polyurethane Top Coat


Suitable for metal surfaces that require strong chemical resistance, such as petrochemical and electrical facilities.

Primer: Epoxy Primer, Topcoat: Epoxy Topcoat


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Application Methods


    Application Temperature: -5℃~40℃;

    Mixing: Stir thoroughly using power tools or manual tools to ensure even mixing;

    Mixing ratio: paint/Hardner=5/1 (quality ratio)

Application MethodsNozzle SizeOutlet Pressure

Thinning Ratio

Airless Spray

0.43mm-0.53m

10-15Mp

10-20%

Air Spray--------

15-25%

Brushing/Rolling--------

5-10%


Drying Time & Recoating Interval

Temperature5℃20℃30℃
Dry Fingers

5hrs

3hrs

2hrs

Semi-Hard Drying

48hrs

16hrs

12hrs

Minimum Recoat Interval

48hrs

24hrs

16hrs

Maximum Recoat Interval

7days

7days

7days


Surface Preparation:

    Steel surfaces to be coated must undergo complete removal of oil, oxide scale, rust, and old coatings through blasting or shot peening to achieve Swedish standard Sa2.5 with a surface profile of 30–70μm. Manual cleaning methods may also be used to achieve Swedish standard St3 with a surface profile of 30–70μm.

 

 Safety Measures:

    

    1. Avoid contact with skin and eyes.

    2. If paint comes into contact with skin, wash with warm water or an appropriate cleaning agent. If paint comes into contact with eyes, rinse thoroughly with water and seek medical attention immediately.  

    3. Ensure good ventilation.

    4. The paint contains flammable substances. Keep away from sparks and prohibit smoking in the vicinity.  

    5. Comply with all health and safety regulations on-site.

 

Storage:

 

    Store in a dry and cool environment, away from heat sources and open flames. Keep the container tightly sealed.

    Shelf life: 12 months from the date of production (at 25°C).

 

Attention:

    Since the conditions of product use are beyond our control, the information provided here does not constitute a warranty. We are only responsible for the selection of products. Due to the continuous development of our products and production processes, the content of this manual may be updated at any time. All information herein is subject to our confirmation. Before using the product, please ensure that you have the latest version of the manual.




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