High Build Pre-bagged Class 40 Concrete Repair Mortar, Unicell 40 is a prepacked polymer modified mortar requiring only the addition of clean water to produce a mortar suitable for concrete repair, rendering. The material conforms to the Hong Kong Housing Authority specification for Class 40 repair mortar system. It can be applied in thick section and is suitable for structural and non-structural application.
40料, 結構修補, 石屎修補, 士波拎, 士波令
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