GB/T 1728-79(89) Methods of test for drying time of coatings of paints and putties
GB/T 1728-79(89) 漆膜,腻子膜干燥时间测定法
样品要求：液体,至少500g, 建议送样1000g
周期：9~11工作日
GB/T 1728-79(89) Methods of test for drying time of coatings of paints and putties
GB/T 1728-79(89) 漆膜,腻子膜干燥时间测定法
样品要求：液体,至少500g, 建议送样1000g
周期：9~11工作日