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Building & Construction Adhesives - Part IV Chemical Types of Adhesives Used in Construction: Structural and Semi-structural Adhesives

SpecialChem / Philippe Cognard – Oct 22, 2003

2 Types of adhesives are used in Construction: * Non structural adhesives, which are used to bond decorative materials, such as floor and wall coverings, and other materials which do not need very high strength (some panels, fiber and particle boards, trim, some interior doors...) These adhesives may be emulsion or dispersion adhesives, neoprene contact adhesives, solvent based adhesives, natural and renewable adhesives and glues... * structural adhesives ie those which give at least 5 to 8 MPa in tensile shear strength, and which are required for structural parts such as bonding of concrete to concrete, ceramic tiles to concrete, masonry, construction panels, outside doors, sealing metal parts into concrete, civil engineering, composite bonding (FRP panels), metal bonding, structural glass... These latter may be epoxy adhesives, structural PU, silicones, structural acrylics... All construction adhesives used on site should cure or dry at ambient temperatures ie 12 to 35°C according to seasons and countries, because there is no heating devices on sites.

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