Test item 測試名稱(chēng)： Building Hardware --- Controlled door closing devices --- Re and test method  建筑構件 控制門(mén)關(guān)閉裝置 要求和試驗方法Test info 測試內容：                                                          Testing Items MarkingRe concerning product informationWorkmanship DurabilityClosing momentOpening momentEfficiencyClosing timeAngles of operationOverload performanceTemperature dependenceFluid leakageLatch control (optional)Backcheck (optional)Delayed closing (optional)Adjustable closing force (optional)Zero position performance (for double action door closers only)Corrosion resistanceAdditional re for a door closer intended for use on fire/smoke door assembliesSample Re: 7 pieces of samples樣品要求： 7件樣品Turnaround time: normal (37 working days)所需時(shí)間: 標準(37 個(gè)工作天) Sample for reference 參考圖片: Sample Report 報告樣本：