ASTM D6904是关于砖石结构上外涂料抗风雨性的试验方法：试验要求以承受持续的水喷雾（雨）和动态压力相当于98英里时速的风速对样品进行测试。
1.1 This practice is for the evaluation of the ability of coatings to resist the passage of water through masonry block when exposed to water spray and air pressure.
1.2 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for infor
ASTM D6904是关于砖石结构上外涂料抗风雨性的试验方法：试验要求以承受持续的水喷雾（雨）和动态压力相当于98英里时速的风速对样品进行测试。
1.1 This practice is for the evaluation of the ability of coatings to resist the passage of water through masonry block when exposed to water spray and air pressure.
1.2 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for infor