| Guardian ExtraClear™ |
EN 572-9:2005 |
Basic soda lime silicate glass intended to be used in buildings and construction works values as of May 2021 |
02mm | 03mm | 04mm | 05mm | 06mm | 08mm | 10mm | 12mm | 15mm |
Resistance to fire test (EN 13501-2) | | NPD | NPD | NPD | NPD | NPD | NPD | NPD | NPD | NPD |
Reaction to fire (EN 13501-1) | | A1 | A1 | A1 | A1 | A1 | A1 | A1 | A1 | A1 |
External fire performance (EN 13501-5) | | NPD | NPD | NPD | NPD | NPD | NPD | NPD | NPD | NPD |
Bullet resistance (EN 1063) | | NPD | NPD | NPD | NPD | NPD | NPD | NPD | NPD | NPD |
Explosion resistance (EN 13541) | | NPD | NPD | NPD | NPD | NPD | NPD | NPD | NPD | NPD |
Burglar resistance (EN 356) | | NPD | NPD | NPD | NPD | NPD | NPD | NPD | NPD | NPD |
Pendulum body impact resistance (EN 12600) | | NPD | NPD | NPD | NPD | NPD | NPD | NPD | NPD | NPD |
Resistance against sudden temperature changes and temperature differentials | K | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 40 |
Wind, snow, permanent and imposed load resistance | mm | 2 | 3 | 4 | 5 | 6 | 8 | 10 | 12 | 15 |
Characteristic Bending Strength | MPa | 45 | 45 | 45 | 45 | 45 | 45 | 45 | 45 | 45 |
Direct airborne sound insulation (EN 12758) | dB | NPD | 28 (-1;-4) | 29 (-2;-3) | 30 (-1;-2) | 31 (-2;-3) | 32 (-2;-3) | 33 (-2;-3) | 34 (-1;-2) | 36 (-1;-3) |
Thermal properties | | | | | | | | | | |
Thermal transmittance (U-value) | W/(m².K) | 5.8 | 5.8 | 5.8 | 5.7 | 5.7 | 5.6 | 5.6 | 5.5 | 5.4 |
Radiation properties | | | | | | | | | | |
Light transmission 𝛕V (EN 410) | | 0.91 | 0.91 | 0.91 | 0.90 | 0.90 | 0.90 | 0.89 | 0.88 | 0.88 |
Light reflection ρV (EN 410) | | 0.08 | 0.08 | 0.08 | 0.08 | 0.08 | 0.08 | 0.08 | 0.08 | 0.08 |
Solar energy transmission 𝛕E (EN 410) | | 0.89 | 0.88 | 0.87 | 0.86 | 0.84 | 0.83 | 0.80 | 0.78 | 0.74 |
Solar energy reflection ρE (EN 410) | | 0.08 | 0.08 | 0.08 | 0.08 | 0.08 | 0.08 | 0.08 | 0.08 | 0.07 |