Ideal For Sealing; Bonding; And Mending In Cars; Boats And Caravans. Flexible At Temperatures As Low As 40 Degrees C. Heat Resistance Up To +120 Degrees C. Waterproof Suitable For Internal And External Applications. Excellent Uv Resistance And Durability. Unaffected By Alcohols; Dilute Acids And Alkalis; Soap And Household Detergents. Not Suitable For Alkaline Surfaces Such As Concrete; Fibrous Cement; Etc As The Product Releases Acetic Acid During Curing. It Should Not Be Used On The Back Of Mirrors; As This Will Cause The Silver Coating To Discolour. Will Not Adhere To Some Plastics Such As Polyethylene; Polypropylene And Teflon.