... aquariums, fish tanks, showcase, etc.Restrictions on UseSY-127 is not fit for structural usage. It should NOT ... at 50±5% RH and temperature 23±2°C AppearanceHave no grain, no agglomerations,1Droop Degree(mm) ... 21days at 50±5% RH and temperature 23±2°C:Durometer Hardness(Shore A), points28GB/T531-1999Tensile at 60 ... date9 months shelf life if stored below 27°C in cool, dry places after the date of ...