... Ready gunnability at low (+5°C) and high (+40°C) temperatures.¨ Flexible at low (-40° ... to metals¨ Suitable for alkaline substrates such as concrete, mortar, fibrous cementColor: Transparent, Black, White, ... , tiles, ceramics, enamel, glazed tiles and clinker; metal, e.g. aluminium, steel, zinc or copper; impregnated ... used in preparing specifications) Expansion Joint Silicone Sealant for Curtain Wall