Bostik Black Silicone Sealant 90ml The sealant is extremely resistant to UV radiation, weathering, ageing and water, and offers excellent chemical resistance and is unaffected by alcohols, dilute acids, alkalis, and detergents. Excellent for sealing joints, gaps and cracks inside, outside and underneath the car, such as sealing of leaking window joints and water hoses, low-temperature gasket applications, and replacing of windscreens.Other information:Not suitable for cylinder head gaskets or for parts permanently exposed to fuel. Not suitable for alkaline surfaces such as concrete, fibrous cement, asbestos, plaster and marble. Not suitable for some metals i.e. mild steel, lead, copper, tin, galvanized iron, brass or zinc as it may cause corrosion. May become discoloured in contact with some organic elastomers, which tend to bleed oil or solvents into the silicone, e.g. EPDM, APTK, Neoprene and Bituminous surfaces. Not suitable for mirrors as it will de-silver the mirror backing, affecting the front appearance of the mirror.CANNOT be over-painted and not suitable for fish tanks as it contains a fungicide.Sizes:90ml tube (black)Key Features100% waterproofPermanently flexibleLow shrinkageExcellent colour fastnessLearn more about Bostik here. View our Full Adhesive range here.
