Zhengzhou water loss malic acid resin, rosin resin 422

422A, 422B, 423A, 423B, 424A and 424B are a family of light-colored, stable modified natural Malic glycerol resins, rosin based and unsaturated polycarboxylic acid as the basic raw material, rosin and maleic anhydride addition reaction and with glycerol made by refining, bleaching, modified from the development process. With the production of varnish, with light high hardness, adhesion, and other advantages. Model 422A 422B 423A 423B 424A 424B Softening Point (℃) 129 128 142 142 120 120 colors (Solid Color Ghana and France) 1-22-42-42-5 1.5-3 3-5 acid number, MGKOH / g maximum 303,038,381,616 specific gravity (20 ℃), ± 0.02 1.07 1.07 1.07 1.07 1.07 1.07 ash content (by weight),% of maximum 0.1 0.1 0.1 0.1 0.1 0.1 Flash Point ℃ 260 260 250 250 260 260 shape piece like flaky flaky flaky flaky sheet product performance: 1. color lighter, low odor, high softening point, resistance to light and strong, not yellowed, dry and smooth, high hardness. 2. Soluble in aromatic solvents, slightly soluble in aliphatic hydrocarbon solvents and alcohols. 3. Good compatibility with a variety of polymers. 4. completely dissolved in coal-based, esters, vegetable oil, turpentine soluble in alcohol. Main purpose: 1. polyester, nitro, polyurethane and paint signs and the like. 2. The hot melt adhesive. 3. gravure inks. 4. For the manufacture of paints, lacquers, inks, adhesives. Packaging: kraft paper bag, net weight 25 kg.