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Most performances of a two-part commercial sealant for insulating glass based on hydroxylated polybutadiene are reviewed and compared with those shown by a conventionnal two-part sealant based on polysulfide. First are examined the handling properties. Then are discussed the adhesion and mechanical characteristics. The ageing effect due to both actions of water and ultra-violet radiations and the permeability to argon are studied on standard insulating glass specimens.
Insulating glass, sealant, hydroxylated polybutadiene, polysulfide
Technical Manager for Speciality Elastomers at Elf Aquitaine, Groupement de Recherches de Lacq, Artix,