|Добавлено: Чт Июн 15, 2017 10:14:07 Заголовок сообщения: Consciousness or even Food Packaging Glue
|PUR adhesives have many advantages. It is powerful, flexible and not affected by water. It is cheap and free from the environment. Most museums and library books use this adhesive. Three times stronger than ordinary glue. So it can save valuable books for years. Overcoming the difficulties associated with hot melt adhesives. Despite this advantage, Lamination Adhesive have some drawbacks.
Short life is the main drawback of PUR adhesives. Polyurethane has a tendency to absorb moisture, that is, water absorption characteristics. The adhesive made of polyurethane absorbs water, gradually decomposes and becomes sticky.
In addition, the durability of the PUR adhesive is adversely affected when exposed to direct sunlight or an organic solvent. PUR adhesives will smell and smoke, although they are not very compelling. Exposure to this smell for a long time may make people sick. Workers using polyurethane adhesives also experience overwhelming smoke.
PUR Adhesive are widely used in many applications such as bedding, building insulation, footwear and paints. ESP energy research shows that polyurethane will release unhealthy inhaled toxic fumes.
People exposed to polyurethane experience health problems, including allergies, rash, difficulty breathing, loss of consciousness or even Food Packaging Glue . If your eyes or skin are in contact with the polyurethane foam, thoroughly wash and rinse thoroughly to avoid health problems.