Polyurethane Adhesive

Our polyurethane adhesives are high-performance bonding solutions suitable for industrial assembly, construction, electronics, automotive, and packaging applications. With options including one-component moisture-curing, two-component reactive, and UV-assisted systems, they offer strong adhesion, flexibility, and long-term durability.

Key Technical Highlights:

Viscosity Range: ~500–20,000 cps (depending on type)
Shore Hardness: A20–A90
Temperature Resistance: -40°C to 120°C (some grades up to 150°C)
Curing: Moisture-curing, two-component, or UV-assisted

These properties ensure reliable performance under demanding industrial and environmental conditions.

Polyurethane Adhesive Product

Product List

Reactive Polyurethane Adhesive

High-performance adhesive for bonding various substrates, offering strong adhesion and durable flexibility.

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Solvent-Free Polyurethane Adhesive

Eco-friendly, solvent-free adhesive with excellent bonding strength and long-lasting elasticity.

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Water-Based Polyurethane Adhesive

Environmentally safe adhesive with strong adhesion, suitable for wood, furniture, and general industrial applications.

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Waterborne PU Coating Resin

Water-based polyurethane resin for coatings, offering high durability, flexibility, and chemical resistance.

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Product Models

Q-PU-MC-10 Moisture-Curing One-Component Polyurethane Adhesive
Q-PU-2K-20 Two-Component Reactive Polyurethane Structural Adhesive
Q-PU-UV-30 UV-Curing Polyurethane Adhesive
Q-PU-PT-40 Two-Component Polyurethane Potting Compound

Q-PU-SF-1004 Fast Cure Polyurethane Structural Adhesive
Q-PU-SF-1005 One-Part Polyurethane Sealant
Q-PU-SF-1006 Low Viscosity Polyurethane Impregnation Adhesive
Q-PU-SF-1007 Medium Viscosity Polyurethane Potting Compound
Q-PU-SF-1008 High Elasticity Polyurethane Sealant
Q-PU-SF-1009 Weather-Resistant Polyurethane Sealant
Q-PU-SF-1010 Flame Retardant Polyurethane Sealant
Q-PU-SF-1011 Thermally Conductive Polyurethane Potting Compound

Q-PU-WB-2001 General Purpose Waterborne PU Adhesive
Q-PU-WB-2002 High Performance Waterborne PU Laminating Adhesive
Q-PU-WB-2003 High Initial Tack Waterborne PU Adhesive
Q-PU-WB-2004 Flexible Packaging Waterborne PU Adhesive
Q-PU-WB-2005 Hydrolysis Resistant Waterborne PU Adhesive
Q-PU-WB-2006 Tg-Tailored Waterborne PU Adhesive
Q-PU-WB-2007 Waterborne PU Adhesive for Special Substrates

Q-PU-WC-3001 High-Gloss Waterborne PU Coating Resin
Q-PU-WC-3002 Universal Waterborne PU Coating Resin
Q-PU-WC-3003 Matte Waterborne PU Coating Resin
Q-PU-WC-3004 Abrasion-Resistant Waterborne PU Coating Resin
Q-PU-WC-3005 Adhesion-Promoting Waterborne PU Resin

Why Choose Our Polyurethane Adhesive

Strong and Flexible Bonding

Designed to handle structural loads while maintaining flexibility under stress.

High adhesion to multiple substrates
Durable under vibration and thermal cycling
Flexible yet strong cured bond

Wide Range of Formulations

Supports diverse applications from potting and sealing to lamination and assembly.

Moisture-curing and two-component options
UV-assisted or waterborne grades
Fast-curing or long open-time options

Resistance to Environmental

Excellent durability against moisture, heat, and chemicals.

UV and weather resistance
Chemical and solvent tolerance
Long-term mechanical stability

Versatile Applications

PU adhesives are used across multiple industries to provide structural bonding, sealing, and protective encapsulation.

Construction & Architecture

Ideal for structural bonding, joint sealing, and flooring applications.

Strong adhesion on wood, concrete, metals
Water and weather resistance
Gap-filling capabilities

Automotive & Transportation

Used for trim, panel assembly, and component bonding.

Flexible and vibration-resistant
High-temperature durability
Paintable and compatible with coatings

Electronics & Electrical

Potting, encapsulation, and insulation for sensitive components.

Thermal conductivity options
Electrical insulation properties
Protection against moisture and dust

Industrial Manufacturing & General Assembly

Supports machinery assembly, piping systems, and other industrial bonding.

Strong mechanical bonding
Vibration damping
Chemical and environmental resistance

Frequently Asked Questions

Moisture-Curing One-Component PU: Cures on exposure to ambient moisture, ideal for simple application and general-purpose bonding.
Two-Component Reactive PU: Resin and hardener mixed before use for high-strength, fast-curing structural bonding.
UV-Assisted PU Adhesives: Suitable for substrates sensitive to heat or moisture; cure rapidly under UV light.
Waterborne PU Adhesives: Environmentally friendly, low-VOC, suitable for laminating and packaging applications.

PU adhesives bond metals, wood, plastics, composites, glass, ceramics, and foams. Surface preparation is crucial; some plastics may require primers for optimal adhesion.

Moisture-Curing: 24–72 hours depending on temperature and humidity.
Two-Component Reactive: 1–12 hours depending on mix ratio and ambient conditions.
UV-Assisted: Seconds to minutes under suitable UV light intensity.
Curing times may vary based on layer thickness and environmental conditions.

Working Temperature: 15–35°C is optimal; some two-component types tolerate wider ranges.

Storage: Keep in a cool, dry place away from moisture. Seal containers tightly. Moisture-curing grades must not be exposed to high humidity before use.

Yes. Once cured, most PU adhesives are highly resistant to moisture and humidity. Certain grades are specifically formulated for continuous water exposure or damp environments.

Most formulations retain flexibility, allowing vibration absorption and stress distribution without cracking. Structural or fast-cure grades may be more rigid while maintaining strong adhesion.

Yes. Most cured PU adhesives are compatible with standard paints and coatings. It’s recommended to test on a small area to ensure adhesion and finish quality before large-scale application.

Ensure substrates are clean, dry, and free from oil, dust, or contaminants.
Follow recommended mix ratios for two-component adhesives.
Apply the adhesive evenly and maintain proper thickness.
Observe curing time and environmental conditions strictly.
For moisture-curing types, control humidity to avoid overly slow or uneven curing.

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