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PU161 Polyurethane Topcoat
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PU162 Aromatic Acrylic Polyurethane Topcoat

PU162 is an excellent two-component aromatic polyurethane topcoat. When paired with epoxy primers, it is suitable for mechanical equipment and steel structure anti-corrosion, offering high cost-effectiveness and decorative properties. It can be applied as a topcoat on the surfaces of mechanical equipment and steel structures in indoor environments.

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SKU: PU162 Aromatic Acrylic Polyurethane Topcoat Category: Tags: ,
Description

Overview

WH-PU162 is an excellent two-component aromatic polyurethane topcoat. When paired with epoxy primers, it is suitable for mechanical equipment and steel structure anti-corrosion, offering high cost-effectiveness and decorative properties. It can be applied as a topcoat on the surfaces of mechanical equipment and steel structures in indoor environments.

Product Features & Recommended Applications

  • Outstanding Corrosion Resistance
  • Superior Decorative Performance
  • Good Recoatability
  • Capable of Low-Temperature Curing

Technical Parameters

ItemDetails
Resin/Pigment TypePolyurethane / Selected weather-resistant pigments
ColorCustomizable according to user requirements
Surface FinishSemi-gloss
Mixing RatioWeight ratio: 4 (base material) : 1 (curing agent)
Curing AgentCPU1620
Specific GravityApproximately 1.1 kg/L
Volume Solids52% (theoretical)
Flash Point33°C (91.4°F)
Pot Life3 hours at 23°C
Theoretical Coverage10.4 m²/L (at 50μm dry film thickness)
Film ThicknessWet film: 100μm; Dry film: 50μm
Application MethodsBrush coating, airless spraying
Airless Spray Nozzle0.43-0.48mm
Airless Spray Pressure15 MPa
ThinnerTH004
Tool CleaningTH004
VOC Content410 g/L
Drying TimeTouch dry: approx. 2 hours at 23°C, 50% relative humidity
Recoat TimeRefer to application guidelines
Recommended PrimersPU111, EP111, EP070, or as specified
Ambient TemperatureMin: -10°C; Max: 50°C. Avoid application at RH >85%.
Substrate TemperatureMin: 4°C above dew point
PackagingTwo-component, 20 kg combined packaging
Storage & Shelf LifeStore in strict compliance with national regulations. Keep in a cool, well-ventilated place away from excessive heat. Tightly seal containers. Shelf life: 1 year.

Application Guidelines

Surface Preparation
Before applying PU162, ensure the substrate is free of grease, dust, moisture, and other contaminants, and properly primed. To ensure film appearance, the primer should be smooth and free of surface defects such as dry spray or orange peel.
Mixing & Dilution
PU162 is a two-component product requiring precise component ratio. Thoroughly mix the entire contents of each paint bucket before use. First, stir the base material until uniform and smooth (no more than 2 minutes), then slowly add the curing agent and stir for 3 minutes. A variable-speed power stirrer is recommended. Avoid over-stirring, as this may accelerate curing and shorten pot life. High temperatures shorten the mixture’s pot life, while low temperatures extend it. Dilution is generally unnecessary; if required, add a small amount of thinner (5% or less) in compliance with local VOC and air quality regulations.
Application
PU162 can be applied by airless spraying, roller coating, or conventional spraying.

  • Ventilation: Maintain good ventilation in enclosed spaces to ensure worker safety and product performance. Air must be dry, as application is not permitted at RH >85%.
Recoat Time
Physical parameters at different ambient temperatures:

Ambient Temperature-10°C0°C10°C20°C30°C
Touch Dry3 days36 hours16 hours8 hours6 hours
Full Cure (RH 70%)2 months32 days14 days7 days5 days
Recoat Interval     
– Minimum6 days3 days32 hours16 hours12 hours
– MaximumUnlimitedUnlimitedUnlimitedUnlimitedUnlimited

Safety Measures

  • Warning: May cause eye and skin irritation. Vapors may trigger respiratory allergies in sensitive individuals and skin allergic reactions. Avoid inhaling vapors. Keep away from eyes and skin. Use protective gear for eyes, ears, and skin. Use a suitable respirator to prevent potential respiratory irritation. Thoroughly wash skin after use. Wash contaminated clothing before reuse. In case of respiratory arrest, perform mouth-to-mouth resuscitation and seek immediate medical attention.
  • First Aid: If contact with eyes occurs, rinse with clean water for at least 15 minutes. Remove contaminated clothing and shoes, and wash affected skin with soap.

Disclaimer

The information herein is reliable. Each value is theoretically calculated from the product formulation. Upon request, our company can provide internal standard test methods for the data listed above. Since usage conditions are beyond the manufacturer’s control, this information does not constitute a warranty. The product is for professional use only. For any questions, please contact our company.

Our Technical Support and Customer Service Center is ready to provide product consultations and application technical services. Welcome to contact us via letter or phone.

Contact:

Wanhua Energysav Science & technology Group Co.,Ltd
Address: No. 56 Taiyuan Road, Yantai, Shandong, China
Fax: 400-059-1116 | Tel: +86-17761309662 | Postal Code: 264006
 
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