Standard guide for the repair and recoat of sprayed polyurethane foam roofing systems 喷涂的聚氨基甲酸乙酯泡沫屋面系统的修理和再涂的标准指南
2.
No maximum recoat interval for adhesion , but dictated by gradual breakdown and damage during exposure and fabrication 对于附着力来说，无最大重涂间隔，但具体情况要视漆膜暴露于污染环境及加工中受损坏的程度而定。
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