... glass, metal(except copper), concrete, marble, tile ,etc M-820 neutral weather resistant silicone sealantA . FEATURESMono-component, ... grey, white and other colors as customers request; Packing : M-820 packed in 310ml cartridge ( net weight: 300ml ). D ... .STANDARDGB/T 14683-2003.E .TECH INDEX SI.NUMBERPROPERTITIESUNITEVALUETESTING METHOD1Color-White,black,clear,etc-2Cure system ...