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Polyvinylbutyral (PVB) varnish and glue
POLYVINYLBUTYRAL (ang. PVB - Polyvinyl Butiral) PVB (trademarks SDW 3A, SDW 1A) of PVB represents the synthetic polymer received as a result of interaction of polyvinyl alcohol (PVS) and oil aldehyde.
It is characterized by high adhesion to various surfaces, excellent optical and film-forming properties, good physicomechanical properties (elasticity, shock durability and wear resistance), morozo-and light resistance, it is steady against influence of O2 and O3. Let's not dissolve in water, but it is well dissolved in organic solvents (air, alcohols, ketones, benzene, etc.). Amorphous bestsv. polymer; extent of polymerization 500-1600. Polyvinylbutyral contains in technical 65-78% of vinilbutiralny links [vinyl - alcohol (32-19%) and blamed - acetate (no more than 3%)
Polyvinylbutyral is widely applied in production of varnishes, primers, enamels, mastics. Delivery across Ukraine. At the order from the ALL.BIZ resource. the special price policy works.