... beveled edge and others.Features1. Good insulation properties (K Value for ordinary insulating glass (K= thermal conductivity) is up to 3 ... .0 and 5.8 for monolayer glass), can largely cut energy consumption.2. Low moisture ... +9A+5, 6+9A+6, 5+12A+5, 6+12A+6, 8+12A+8, 10+12A+10,4+16A+4, 6+16A+6 ... pieces, strengthened by steel strips Exterior Glass Wall Curtain for Building