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Polyurethane Primer Paint

Polyurethane primer paint Description of Polyurethane primer paint This product is a two-component epoxy acrylic polyurethane primer, which considers epoxy-modified acrylic resin as basic materials. It also consists of pigment, additives and solvent with the features of fast drying, good water...

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Polyurethane primer paint

Description of Polyurethane primer paint

This product is a two-component epoxy acrylic polyurethane primer, which considers epoxy-modified acrylic resin as basic materials. It also consists of pigment, additives and solvent with the features of fast drying, good water or salt water resistance and excellent anticorrosion.

 

Application of Polyurethane primer paint

It can be applied to replace two-component epoxy anti-corrosion primer at low temperature places with slow drying.


Parameter of Polyurethane primer paint of Polyurethane primer paint:

Color

Many colors, according to customer's request

Density(23±2℃)

1.35kg/L

Solid content in volume

46%±2% (white color)

Standard film thickness

Dry film: 35μm / Wet film: 70μm

Theoretical coverage

11.4㎡/kg(Base on 30μm dry film)

Drying time(23±2℃)

Surface dry:≤30min / Hard dry:≤24h 

Flashing point

26℃

 

Contruction instructions:

Substrate treatment: Removing dust, grease, water and other debris on the surface. Before painting, steel surface must be adopted sand-blasting with Sa2.5 degree rust removal. For the segment butt joints and unattainable position for sand-blasting, it is adopted power tools to mechanical polishing rust removal with St3 degree.

Coating accessory: Polyurethane inter-coat, Polyurethane finishing coat, Two-component epoxy finishing coat.

Mixture: Mixing the main paint with curing agent as 5:1 (mass ratio, subject to packaging and labeling) and using a mechanical agitation mode to stir for 20 minutes until homogeneous.

Usable time: 6h (23±2℃), it should be used up within the usable time after two-component mixing.

Paint thinner: AB341T paint thinner



Construction method

Airless spraying

Air spraying

Brush coating/Roller coating

Dilution ratio

0-5﹪

10-40﹪

5-10﹪

Nozzle size

0.43-0.53mm

1.2-2.0mm


Spraying pressure

15Mpa

0.3-0.5Mpa


Coating interval(23±2℃)


Min.

Max.

Polyurethane paint8 hours2 months
Other kinds of paint24 hours3 days



Tools cleaning: 

All tools after use need cleaning with AB341T thinner.

Safety: 

Be careful to use this product. Please note the safety precautions on the package label before or when to use it. In addition, you should comply with the safety regulations of the state or local government. Personal protection, including but it’s not limited to lung, eye and skin. To see a doctor if swallowing or other direct contact with this product. Precautions must be taken: fire prevention, explosion prevention and environmental protection. The construction of this product should only be in a well-ventilated case. Powerful ventilation must be provided when applying paint in a narrow place or stagnant air.

Warnings:
-Construction temperature is 5~40 ℃.
-Air relative humidity is less than 80%.
-The substrate surface humidity is 3 ℃ higher than the dew point.
-Avoid construction in the rain, snow, fog weather.
-Before coating the next paint, oil, condensate water, Welding splash drops and dust should be cleaned up on the surface of previous paint.
-Recoat interval is related to the environment. If maximum recoat interval is exceeded, the surface have to be roughened to ensure the adhesion between layers.
-Paint should be stored at low temperature, dry and ventilated indoor warehouse. Keep away from heat and avoid direct sunlight.
-Construction workers should be required to wear labor protective gear. Construction site and storage should be equipped with fire-fighting equipment. To avoid fire, fire and smoking is prohibited.
-This product is only suitable for professional use.

Packaging: 10Kg/barrel, 20Kg/barrel or according to customers' request.
Shelf life: One year in dry and ventilated place with unopened condition.


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