Acrylic Polyurethane Topcoat

Acrylic Polyurethane Topcoat

The Acrylic Polyurethane Topcoat is a high-performance two-component coating, meticulously formulated from premium acrylic resins and isocyanate prepolymers. It offers excellent weather resistance, chemical resistance, abrasion resistance, and decorative properties, making it suitable for anti-corrosion and decorative coating applications on various metal surfaces.


Product Features


Excellent Weather Resistance: Effectively withstands harsh environmental factors such as wind, rain, and UV radiation, maintaining long-lasting brightness and color retention for extended service life.

Chemical Resistance: Resistant to acids, alkalis, salt spray, and solvents, making it suitable for metal surfaces exposed to chemical environments.

Hard and Wear-Resistant Film: The coating is tough and scratch-resistant, capable of enduring frequent friction and impact.

Aesthetic Appeal: Available in a variety of colors with high gloss, offering outstanding decorative effects. The uniform and smooth coating enhances the texture and beauty of metal surfaces.

Easy Application: The paint has excellent flow properties and can be applied by brushing, rolling, or spraying, ensuring convenient and versatile application.


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Product Comparison


PropertyAcrylic Polyurethane TopcoatEpoxy TopcoatAlkyd Topcoat
Weather ResistanceExcellentGoodFair
Chemical ResistanceExcellentExcellentFair
Abrasion & Scratch ResistanceExcellentGoodFair
Decorative AppearanceBeautiful and VibrantHigh GlossLow Gloss



Applications

Acrylic Polyurethane Topcoat is widely used for anti-corrosion and decorative coating on various metal surfaces.

Applications include:Steel Structure Bridges.Buildings and Windows/Doors. Power Facilities.Mechanical Equipment.Automobiles, Trains, and Ships.Machine Tools.Instruments and Meters. Control Cabinets.Hardware Components.Pipelines and Containers

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Technical Parameters


ColorWhite and Various Colors
Volume Solids (%)54%
Flash PointAbove 23°C
Coating Thickness

Dry Film: 30-50 µm/coat;

 Wet Film: 56-93 µm/coat

Theoretical Spreading Rate0.125 kg/m² /50 µm
GlossHigh Gloss



Coating System


To achieve optimal coating performance and durability, the following products are recommended for use with Acrylic Polyurethane Topcoat:

Primers: Epoxy Primer, Zinc Phosphate Primer, Zinc-Rich Primer, etc.

Intermediate Coats: Epoxy Intermediate Coat, Polyurethane Intermediate Coat, etc.




Application Methods


   Application Temperature: -5°C to 40°C

   Mixing: Stir thoroughly using power tools or manual tools to ensure uniform mixing.

   Mixing Ratio: Base/Hardener = 10/1 (by weight).

   Application Methods: Airless Spraying, Air Spraying, Brushing, Rolling (Specialized).


Application MethodNozzle SizeOutlet PressureThinning Ratio
Airless Spraying

0.33mm-0.43mm

10-15Mpa

1-5%
Air Spraying----------15-22%
Brushing/Rolling----------5-15%


Drying Time & Recoating Interval

Temperature-5℃20℃30℃
Touch Dry4hrs

1hr

1hr
Semi-Hard Dry24hrs10hr6hr
Minimum Recoating Interval30hrs16hr12hr
Maximum Recoating Interval---


Surface Preparation

 The steel surface to be coated must be thoroughly cleaned of oil, scale, rust, and old coatings. This can be achieved through blast cleaning methods such as shot blasting or sandblasting, meeting the Swedish Standard Sa2.5, with a surface roughness of 30–70 μm. Alternatively, manual cleaning methods can be used to meet the Swedish Standard St3, with a surface roughness of 30–70 μm.

 

 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 adequate ventilation.

4.The coating 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 containers tightly sealed.

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


Notice:

   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 manufacturing processes, the content of this manual may be updated at any time. All information is subject to our confirmation. Before using the product, please ensure that you have the latest version of the manual.




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