The forming mechanism of pinhole defect in no-solvent polyurethane coat on centrifugal nodular cast iron pipe is analyzed, some effective measures to eliminate offered.
分析了离心球铁管无溶剂聚氨酯涂层针孔缺陷形成的机理，给出了消除这一缺陷的有效措施。
The forming mechanism of pinhole defect in no-solvent polyurethane coat on centrifugal nodular cast iron pipe is analyzed, some effective measures to eliminate offered.
分析了离心球铁管无溶剂聚氨酯涂层针孔缺陷形成的机理，给出了消除这一缺陷的有效措施。
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