Urea-formaldehyde resin

(Cold bonding) urea formaldehyde resin 563 # This product is made from urea, formaldehyde, modifiers, catalyst synthesis of a polymer binder, referred to as UF, the resin is the most notable feature is cured at room temperature, long shelf life, are Widely used in a variety of wood products, paper products, cold bond; and for resin Shabu, Belt production and all kinds of cotton fabric, rayon fabric shrink-proof, wrinkle-free finishing agent; also be used as a variety of copper paper, coated paper white paper water repellent; playing cards and other paper polish, enhancer. And used as a binder granular fertilizer. Magnesia additive products. First, the physical and chemical indicators: Appearance: colorless - light yellow liquid Viscosity: 60-100 seconds Solid content: 60-65% of free formaldehyde: less than 7 Gel time: 20-60 minutes PH value: 7-8 Second, use: should be used according to the temperature and the desired curing time, the curing agent is added 0.5-1.5% ammonium chloride Stir immediately. Third, the storage stability: at room temperature, away from direct sunlight, can be stored for three months.