Polyurethane Topcoat

Polyurethane Topcoat

Polyurethane Topcoat is a two-component coating composed of polyurethane resin, pigments, fillers, and additives.

It is designed for indoor steel structure surfaces and can be used as a high-gloss, high-performance topcoat for decorative and protective applications on metal surfaces.

Product Characteristics


Excellent decorative properties and gloss retention: The coating is smooth, bright, and vibrant in color, with outstanding decorative effects, and can maintain its gloss for a long time.

Good water resistance and freeze-thaw cycle resistance: Resists fading, discoloration, and chalking.

Excellent chemical and wear resistance: Withstands corrosion from acids, alkalis, salts, oils, and other chemical media, as well as mechanical effects such as wear and scratches.


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Product Comparison


PropertyPolyurethane TopcoatAcrylic Polyurethane TopcoatAcrylic Topcoat
Application EnvironmentIndoor UseIndoor and outdoor environmentsIndoor and outdoor environments
Decorative PropertiesExcellentExcellentExcellent
Weather ResistanceGoodExcellentExcellent
Chemical ResistanceGoodExcellentGood
Application MethodTwo-Component, requires hardenerTwo-Component, requires hardenerSingle-Component



Application Scope

It is suitable for indoor steel structure surfaces and can be used as a high-gloss, high-performance polyurethane topcoat for decorative applications on metal, wood, and concrete surfaces.

Industrial:Machinery, equipment, instruments, traffic signs, etc.  Architecture:Building exteriors, interior decoration, etc.

Home appliances:Refrigerators, washing machines, air conditioners, etc. Furniture:木Wooden tables and chairs, sofas, cabinets, etc.


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Basic Data


Color
Various Colors
GlossHigh Gloss
Solid Content%50-52
Flash Point

Above 23°C

Film Thickness

Dry Film:30-50 μm/coat;Wet Film:61-103 μm/coat

Theoretical Spreading Rate

0.122kg/m²/50 μm

Actual spreading rate may vary depending on surface preparation, environmental conditions, and application methods.



Coating System


Steel Structures:Epoxy Zinc-Rich Primer / Epoxy Universal Primer + Polyurethane Topcoat

Aluminum Alloy Doors and Windows:Light Metal Specific Epoxy Primer + Polyurethane Topcoat

Concrete Floors:Epoxy Cement Sealer Primer + Polyurethane Topcoat


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Application Methods

    Construction Temperature:5℃~40℃

    Mixing: Thoroughly mix using power tools or manual tools until uniform

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

    

Pot Life:

5℃20℃
30℃
8hrs5hrs3hrs


Application Methods: Airless Spray, Air Spray, Brush Application, Roller Application (Specialized)

Application MethodNozzle SizeOutlet PressureThinning Ratio (by Weight)
Airless Spraying0.43mm-0.53mm

10-15Mpa

0

Air Spraying--------

0-10%

Brushing/Rolling--------

0

Thinner

Polyurethane Thinner


Drying Time & Recoating Interva:

Temperature

-5℃

10℃20℃30℃
Touch Dry

4hrs

1.5hrs1hrs

1hrs

Semi-Hard Dry

24hrs16hrs10hrs6hrs
Minimum Recoat Interval30hrs24hrs16hrs12hrs

Suitable Substrates: Epoxy Anti-Corrosion Primer, etc.


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 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).     


Please 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 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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