🔹 Kleiberit 501.0 One-Component PUR Wood Adhesive D4 – 500 g Can

The Kleiberit 501.0 is a high-performance one-component polyurethane adhesive (PUR) designed for demanding applications requiring very high mechanical strength and excellent moisture resistance.

Classified D4 according to DIN EN 204, this professional wood adhesive is ideal for bonding under extreme conditions, especially in outdoor environments or high-humidity areas. It also provides excellent heat resistance (WATT 91 standard).

Supplied in a 500 g can, this high-performance PUR adhesive is perfectly suited for professionals and experienced users looking for reliability and durability.

🔧 Applications of Kleiberit 501.0 polyurethane adhesive

🔹 A D4 wood adhesive for demanding applications

The Kleiberit 501.0 D4 PUR adhesive is ideal for:

• Manufacturing non-load-bearing wooden elements
• Exterior joinery: doors, windows, terraces
• Bonding wood exposed to high humidity: bathrooms, saunas
• Parquet installation and technical furniture
• Bonding mineral materials, concrete, ceramics and foams

👉 This polyurethane wood adhesive is perfectly suited for durable and structural bonding applications.

⚙️ Technical features of D4 PUR adhesive

🔹 High-performance adhesive for extreme conditions

The Kleiberit 501.0 stands out for its versatility and strength:

• D4 class: maximum resistance to water and moisture
• Excellent heat resistance (WATT 91)
• One-component adhesive (ready to use)
• Open time: 20 to 25 minutes
• Easy application: spatula, roller or nozzle
• Cures by reaction with moisture

👉 After curing, this PUR adhesive forms a water- and solvent-resistant bond with high mechanical strength.

✅ Why choose Kleiberit 501.0?

• High-performance D4 polyurethane adhesive
• Ideal for extreme conditions (outdoor / humidity)
• Multi-material versatility
• Reliable and long-lasting bonding
• Easy and efficient application

👉 A trusted solution for professional and technical bonding applications.

💡 Application tips for optimal bonding

🔹 Best practices

• Apply the polyurethane adhesive on clean, dry and grease-free surfaces
• Application temperature: minimum +5°C
• Wood moisture content: ≥ 5%
• Recommended pressure: ≥ 0.6 N/mm²
• Pressing time: from 60 minutes at 20°C

👉 The PUR adhesive cures through moisture reaction and reaches full strength after approximately 24 hours.