Water-based Polyurethane Topcoat (2K)
1K Top
QL-PU-T-009 Polyurethane

Water-based Polyurethane Topcoat (2K)

Description

Composition: imported waterborne hydroxyl acrylic resin, weather-resistant pigments, various additives, and waterborne aliphatic yellowing-resistant curing agents. the waterborne polyurethane topcoat is a high-gloss, high-performance coating, suitable for metal protection in outdoor environments, and can also be used indoors. it is generally used in combination with waterborne epoxy primers or waterborne polyurethane primers and applied to the exterior walls of chemical storage tanks, bridges, building steel structures, machinery, equipment, machine tools, instruments and meters, enclosures, pipe fittings, metal components, and more

Water-based Polyurethane Topcoat (2-component) is composed of imported waterborne hydroxyl acrylic resin, weather-resistant pigments, various additives, and waterborne aliphatic yellowing-resistant curing agents. The waterborne polyurethane topcoat is a high-gloss, high-performance coating, suitable for metal protection in outdoor environments, and can also be used indoors. It is generally used in combination with waterborne epoxy primers or waterborne polyurethane primers and applied to the exterior walls of chemical storage tanks, bridges, building steel structures, machinery, equipment, machine tools, instruments and meters, enclosures, pipe fittings, metal components, and more.

Best For

  • exterior steel structures
  • machinery finishing
  • projects requiring color and gloss retention

Buyer Benefits

  • good decorative appearance
  • weather-resistant topcoat performance
  • suitable as a finishing coat over compatible primers

Key Features

  • Excellent mechanical properties
  • Strong adhesion
  • High hardness
  • Outstanding weather resistance
  • Compatible with various primers
  • Adjustable gloss: high, flat, matte, low
  • Environmentally friendly: water-based, no impact on the environment, no pungent odor
  • Safe: non-flammable, non-explosive, safer transportation and application

Typical Coating System

Typical polyurethane system: epoxy or zinc-rich primer, epoxy intermediate coat when required, and polyurethane topcoat for color, gloss, and exterior durability.

Technical Specifications

Product Family Polyurethane
Coating Layer Top
Component System 2K system, confirm mixing ratio from current TDS
Recommended Use Snapshot exterior steel structures, machinery finishing
Typical System Typical polyurethane system: epoxy or zinc-rich primer, epoxy intermediate coat when required, and polyurethane topcoat for color, gloss, and exterior durability.

Confirm current TDS/SDS, packaging, shelf life, and destination-market requirements before quotation or shipment.

Request Current TDS/SDS

Application Guide

Application Method 1. Surface Preparation: The substrate surface must be thoroughly cleaned of oil and dust. 2. Application Conditions: Temperature: 5°C - 40°C 3. Painting method (air spraying): Diluent: Distilled water, deionized water Dilution ratio (by weight): 15 - 40% Mixing: Stir thoroughly using power or hand tools Pot life: 5 hours at 23°C, 3 hours at 30°C 4. Drying time and painting interval: At 20°C: Touch-dry in 1 hour, semi-hard dry in 10 hours, minimum painting interval of 16 hours At 30°C: Touch-dry in 1 hour, semi-hard dry in 6 hours, minimum painting interval of 12 hours

Product FAQ

Can I request the current TDS and SDS for Water-based Polyurethane Topcoat (2K)?

Yes. Contact the Qilu Paints export team with the product name, destination country, and application environment to confirm current TDS/SDS, packaging, and export requirements.

How should Water-based Polyurethane Topcoat (2K) be selected for a coating system?

Confirm substrate, exposure environment, required durability, compatible primer or topcoat, and destination-market documentation before quotation or shipment.

What should be checked before applying Water-based Polyurethane Topcoat (2K)?

Check surface cleanliness, surface profile, ambient temperature, substrate temperature, dew point, and relative humidity before application. Stir thoroughly before use.

How should Water-based Polyurethane Topcoat (2K) be stored and handled?

Store sealed containers in a cool, dry, ventilated area away from heat, sparks, and direct sunlight. Follow the current SDS for PPE, ventilation, fire prevention, and waste disposal.

What should be checked before applying Water-based Polyurethane Topcoat (2K)?

Confirm substrate cleanliness, surface profile, dew point, ambient temperature, humidity, and compatibility with the primer or topcoat in the coating system.

How should Water-based Polyurethane Topcoat (2K) be mixed and applied?

Stir thoroughly before use. For multi-component products, mix base and curing agent according to the current TDS, observe induction time and pot life, and only thin with the recommended thinner.

How should unopened Water-based Polyurethane Topcoat (2K) be stored?

Store in sealed original containers in a cool, dry, ventilated place away from heat, sparks, and direct sunlight. Confirm shelf life and packaging with the current TDS/SDS before shipment.

What safety precautions are required during application?

Use suitable PPE, provide ventilation, keep away from ignition sources, and follow the current SDS for handling, fire protection, first aid, and waste disposal.

Product Data Source

This product page is generated from Qilu Paints legacy technical product records. Confirm SDS, TDS, export classification, packaging, and destination-market requirements with the sales and technical team before quotation or shipment.

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