| 摘要 |
PROBLEM TO BE SOLVED: To obtain the subject painting material causing hardly any loss due to scattering or splashing back during a spray painting operation, efficiently adherable to surface of an object to be painted, easy to perform a horizontal gun spray providing bead patterned finish, capable of reducing work load because of being lightened, of maintaining the mechanical strength of the resulting painting film and of forming a profound and graceful natural stone-toned surface. SOLUTION: This spray painting material is obtained by mixing the following components together: (1) 2,000 g of an acrylic resin emulsion (resin solid at 49 wt.%), (2) 7,500 g of a natural stone aggregate (white marble: a particle diameter of 0.35-0.55 mm), 2,000 g of a natural stone aggregate (white marble: a particle diameter of 0.075-0.15 mm) and 500 g of a colored aggregate gray- based colored burnt silica sand (a particle diameter of 0.18-0.25 mm) and (3) 40 g of a lightening material, Matsumoto Microsphere F-30E (R) (produced by Matsumoto Oils and Fats Pharmaceutical Co., Ltd, a particle diameter of 30-100μm and a specific gravity of 0.024±0.002 g/cm3).
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