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PUR (Polyurethane Reactive) adhesives are a type of adhesive known for their strong bonding and resistance to temperature and humidity. They are used in a variety of industries including woodworking, bookbinding, and automotive.
PUR adhesives are typically applied using a specialized applicator gun. The adhesive is heated until it melts, then applied to the surface. It then reacts with moisture in the air to cure, forming a strong bond.
PUR adhesives can bond a wide range of materials, including wood, plastic, metal, and glass. They are particularly well-suited to bonding porous materials.
The curing time for PUR adhesives can vary depending on the specific product and the conditions, but it typically takes between 24 to 48 hours for the adhesive to fully cure.
Yes, PUR adhesives are resistant to temperature and humidity, making them suitable for outdoor use. However, they should be protected from direct sunlight, as UV radiation can degrade the adhesive over time.
Please note that these are general answers and the specifics can vary depending on the exact type of PUR adhesive you are using. Always refer to the manufacturer's instructions for the best results.