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Acetate silicone

Acetate silicone is a type of one-component sealant that is easily recognizable by its characteristic vinegar-like smell. This smell is produced during the curing process when the silicone reacts with air moisture and releases acetic acid as a by-product. This chemical process, also known as 'curing', gives the sealant its final flexibility and durability. It is characterised by very good adhesion to smooth and non-porous materials such as glass, ceramics, enamel, glazed tiles or anodised aluminium. It often contains anti-mould additives, so-called 'fungicides', which makes it suitable for use in high humidity environments. It is the acetic acid released that makes this type of silicone unsuitable for all applications. It is aggressive towards certain materials. It must not come into contact with metals such as iron, copper or brass as it causes corrosion. Similarly, it is not suitable for porous and alkaline substrates such as concrete, plaster or natural stone such as marble, as it can cause chemical disruption or leave irremovable stains on the surface. It may also damage some sensitive plastics. Another feature is that it cannot be repainted after curing. It finds its main use in bonding and jointing in bathrooms, for example in baths, showers and washbasins, in kitchens around sinks and worktops or in some glass work.

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