The Sealant Is Extremely Resistant To Uv Radiation; Weathering; Ageing And Water; And Offers Excellent Chemical Resistance And Is Unaffected By Diluted Acids And Alkalis; Soap And Household Detergents. Bath Contains A Fungicide And Resists Mould Growth. Contains A Fungicide And Resists Mould Growth. The Sealant Remains Flexible Over A Wide Range Of Temperatures From -45 degreesC To 150 degreesC. Not Suitable For Alkaline Surfaces Such As Concrete; Fibrous Cement; Asbestos; Plaster And Marble. Will Not Adhere To Some Plastics Such As Polyethylene; Polypropylene And Teflon. Not Suitable For Fish Tanks (Contains A Fungicide).