Heavy elements: up to 70%, including 65% maximum of lead oxide.
Lead equivalence : see below.

Density : 4,8 à 5,05 g/cm3
Refractive index (Nd) : 1,75 à 1,79
Light transmission (measured at 550 nm): more than 85% up to 11mm thickness.

Supercontryx is supplied in 4 standard thickness :

• Supercontryx 2PB: thick. 7/8.5 mm, lead eq. > or = 2 mm under 150 Kvolts
• Supercontryx 2.5PB: thick. 8.5/10 mm, lead eq. > or = 2.5 mm under 150 Kvolts
• Supercontryx 3PB: thick. 11/13 mm, lead eq. > or = 3 mm under 150 Kvolts
• Supercontryx 4PB: thick. 14/16 mm, lead eq. > or = 4 mm under 150 Kvolts

• For Supercontryx 2PB: 2390 x 1180 mm max.
• For Supercontryx 2.5PB: 1950 x 970 mm max.
• For Supercontryx 3PB: 2390 x 1180 mm max.
• For Supercontryx 4PB: 1950 x 970 mm max.
Supercontryx is cut to size on request.

Isolated inclusions are accepted up to 2 mm. Inclusions smaller than 0.1 mm are not taken into account. Veins visible to the naked eye through direct observation in normal incidence are not allowed. Polishing according to Building Quality for more details, please refer to Corning SAS procedures.

• rough cut edges
• all sharp edges polished
• corners rounded-off
Other shapings on request

• Double glazing unit (DGU)
• Laminated assembly
• bonding
• drilling