... in glass, metal(except copper), concrete, marble, tile ,etc M-820 neutral weather resistant silicone sealantA . FEATURESMono-component, convenient to use ... colors as customers request; Packing : M-820 packed in 310ml cartridge ( net weight: 300ml ). D .STANDARDGB/T 14683-2003.E .TECH INDEX ... sealant Certificates:Equipments:Projects: Neutral Weather resistant Silicone Sealant M-820