BUTYLVER P.I.B. sealant formulated for primary sealing of insulating glass units. Minimum water vapour and gas permeation, ageing resistance, excellent adhesion properties on glass, aluminium, steel and stainless steel. Technical Characteristics Base: Polyisobutylene         Colour: Black         Consistency: Solid Mass         Density: approx. 1.08 gr/cm3         Storage: One year in dry and fresh rooms.         Packing: Cylinders 1 Kg (diam. 99.6 mm), 2 Kg (diam. 130 mm), 2.5 Kg (diam. 142.3 mm) and 7 Kg (diam. 190 mm).   Drums: 200 lt