... Neutral-curing, low modulus Good adhesion 12 month shelf life Curtain Wall & ACP Joint Sealing CharacteristicsHX-6800 is one-component, ... substrates, e.g. glass, tiles, ceramics, enamel, glazed tiles and clinker; metal, e.g. aluminium, steel, zinc or copper; ... are intended as a guide and should not be used in preparing specifications) HOT!!! Weatherability Silicone Sealant for Curtain Wall and ACP