... in glass, metal(except copper), concrete, marble, tile ,etc M-820 neutral weather resistant silicone sealantA . FEATURESMono-component, convenient ... , concrete, brick and tile, metal panel; Other uses. C .COLOR AND PACKINGColor: black, grey, white and other colors as customers ... request; Packing : M-820 packed in 310ml cartridge ( net weight: 300ml ). D ...