Infinity PUR WW60 Polyurethane Hot Melt Adhesive User Manual

1. Product Overview

The Infinity PUR WW60 is a high-performance polyurethane hot melt adhesive designed for strong, permanent bonds, particularly in wood-to-wood applications. It offers a rapid 60-second set time, reducing the need for extensive clamping, and its higher viscosity allows it to fill gaps and irregularities without shrinkage. This adhesive provides a less brittle bond compared to "super" glues and outperforms traditional hot melts, making it ideal for quick assembly projects in general woodworking and cabinetry.

Figure 1: Infinity PUR WW60 Polyurethane Hot Melt Adhesive tube. This image shows the product tube, which is silver and yellow, with the brand "Infinity PUR" and product name "WW60 Polyurethane Hot Melt Adhesive" clearly visible. It also indicates "WOOD TO WOOD" and "60-Second Set Time".

Key Features:

• Polyurethane adhesive: Ensures a fast set time for efficient work.
• 60-second set time: Significantly reduces the need for clamping.
• Stronger, less brittle bond: Provides a more permanent and durable adhesion compared to traditional glues.
• Non-foaming formula: Allows for cleaner application and finish.
• Fills gaps and irregularities: Higher viscosity ensures no shrinkage and a complete bond.
• Ideal for woodworking and cabinetry: Designed for quick assembly projects.

2. Safety Information

Always prioritize safety when working with adhesives. This product is a hot melt adhesive and requires specific handling precautions.

• Proposition 65 Warning: This product may expose you to chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
• Ventilation: Use in a well-ventilated area to avoid inhaling fumes.
• Personal Protective Equipment (PPE): Wear appropriate safety glasses and gloves to prevent skin and eye contact.
• Hot Surfaces: Hot melt adhesives are applied at elevated temperatures. Exercise extreme caution to avoid burns. Use heat-resistant gloves if direct contact is possible.
• Storage: Store in a cool, dry place away from direct sunlight and heat sources. Keep out of reach of children and pets.
• Disposal: Dispose of unused adhesive and empty containers according to local regulations.

3. Setup and Preparation

Proper preparation is key to achieving optimal bonding results with Infinity PUR WW60.

1. Surface Preparation: Ensure all bonding surfaces are clean, dry, and free from dust, grease, oil, or other contaminants. Lightly sand smooth surfaces for better adhesion if necessary.
2. Material Compatibility: This adhesive is specifically formulated for wood-to-wood applications. While it may work on other materials, always test on an inconspicuous area first.
3. Temperature: For best results, apply the adhesive in a room temperature environment (typically 68-77°F / 20-25°C).
4. Adhesive Applicator: Use a compatible hot melt adhesive applicator gun designed for polyurethane hot melts. Ensure the applicator is clean and in good working condition.
5. Pre-heating: Allow the adhesive to reach its recommended application temperature within the applicator gun before use. Refer to your applicator gun's manual for specific heating instructions.

4. Operation and Application

Follow these steps for effective application of Infinity PUR WW60:

1. Load Adhesive: Insert the WW60 adhesive stick into the compatible hot melt applicator gun.
2. Heat Adhesive: Allow the adhesive gun to heat up to the recommended operating temperature. This typically takes several minutes.
3. Apply Adhesive: Once heated, apply a thin, even bead of adhesive to one of the surfaces to be bonded. The adhesive has a 60-second set time, so work quickly.
4. Join Surfaces: Immediately bring the two surfaces together and apply firm, even pressure.
5. Curing: The adhesive will achieve handling strength within 60 seconds. Full cure strength may take longer, typically 24 hours, depending on environmental conditions and material porosity.
6. Gap Filling: The higher viscosity of WW60 allows it to effectively fill minor gaps and irregularities in the bonding surfaces, ensuring a strong bond even on imperfect joints.

Note: This adhesive is designed for wood-to-wood bonding. Its rapid set time is beneficial for high-speed assembly operations.

5. Maintenance

Proper maintenance of your adhesive and applicator gun will ensure longevity and consistent performance.

• Applicator Gun Cleaning: Regularly clean the nozzle and exterior of your hot melt applicator gun to prevent adhesive buildup. Follow the manufacturer's instructions for your specific gun model.
• Storage of Adhesive: Store unused WW60 adhesive sticks in their original packaging in a cool, dry place, away from direct sunlight and extreme temperatures. This helps maintain the adhesive's shelf life and performance.
• Prevent Clogging: Do not leave the adhesive gun heated for extended periods when not in use, as this can lead to charring or clogging of the adhesive.
• Spill Cleanup: For uncured adhesive spills, clean immediately with an appropriate solvent (test on an inconspicuous area first). Once cured, the adhesive is difficult to remove and may require mechanical means.

6. Troubleshooting

Here are some common issues and their potential solutions:

7. Product Specifications

8. Warranty and Support

Warranty Information:

Infinity PUR products are manufactured to high-quality standards. For specific warranty details regarding the WW60 Polyurethane Hot Melt Adhesive, please refer to the official Infinity PUR website or contact their customer support directly. General product warranties typically cover manufacturing defects.

Customer Support:

For further assistance, technical support, or inquiries regarding the Infinity PUR WW60, please utilize the following resources:

• Official Brand Store: Visit the Infinity PUR Store on Amazon for product information and contact options.
• User Manual (PDF): A downloadable PDF version of the user manual is available here.
• Manufacturer Contact: Refer to the product packaging or the official Infinity PUR website for direct contact information (phone, email).