美利体育登录入口官网:BS EN ISO 19403-5:2020 油漆和清漆 润湿性 通过固体上的接触角测量来确定液体表面张力的极性和色散分数 仅对其表面能有色散贡献
Paints and varnishes. Wettability - Determination of the polar and dispersive fractions of the surface tension of liquids from contact angles measurements on a solid with only a disperse contribution to its surface energy