Function and use of resin adhesive?
Urea formaldehyde resin adhesive is a kind of used in wood and bamboo adhesives. It is made by condensation of urea and formaldehyde. Its main varieties are: 531 urea formaldehyde resin glue, 563 urea formaldehyde resin glue, 5001 urea formaldehyde resin adhesive. 531 urea formaldehyde resin can be cured at room temperature or heating conditions; 563 UF resin at room temperature by 8h or heated to 110. (and lasts 5 - 7min curing; 5001 urea formaldehyde resin adhesive must be added with industrial chlorinated adhesive solution (20%), and cured at room temperature or at heating. Urea formaldehyde lipid adhesive has the characteristics of five colors, good light resistance, low toxicity and low price. It is widely used in wood, bamboo, plywood and other wood materials.
Harm to humans: exposure to excessive amounts of untreated gum resin can cause allergic reactions to the skin, so it is better to wear gloves
Resin glue can be used to make gum fat products, and can also be used as resin lenses,
Urea formaldehyde resin is a water-soluble resin, easily cured, the cured resin colorless, non-toxic, good light resistance, long-term use does not change color, heat molding will not change color, can add various colorants to prepare various brightly colored products.
