Comfortable indoor climate all year round
LartaPro HS Neutral 70/35 HT glass features a captivating neutral blue tint exterior that enhances visual appeal and provides a transparent view from the inside, seamlessly connecting indoor and outdoor spaces. This glass offers solar control, energy-saving properties, and maintains a comfortable temperature indoors. It allows ample natural light transmission, making it perfect for regions with limited sunny days.
Visible light | Transmittance (τv) | 69% |
Reflectance outside (ρv) | 15% | |
Reflectance inside (ρv) | 16% | |
General Color Rendering Index (CRI) | 95,6 |
Ultraviolet | Transmittance UV (τuv) | 10% |
Solar energy | Solar energy transmittance (τe) | 33% |
Reflectance outside (ρe) | 41% | |
Reflectance inside (ρe) | 44% | |
Solar absorptance (αe) | 26% | |
Solar Factor (g) | 35,07% | |
Shading Coefficient (sc) | 0,40 | |
Secondary heat transfer (qi) | 1,81 |
Thermal properties | U-Value | 1,04 W/m²·K |
R-Value | 0,68 m²·K/W |
Visible light | Transmittance (τv) | 64% |
Reflectance outside (ρv) | 19% | |
Reflectance inside (ρv) | 22% | |
General Color Rendering Index (CRI) | 95,2 |
Ultraviolet | Transmittance UV (τuv) | 9% |
Solar energy | Solar energy transmittance (τe) | 30% |
Reflectance outside (ρe) | 43% | |
Reflectance inside (ρe) | 41% | |
Solar absorptance (αe) | 27% | |
Solar Factor (g) | 32,56% | |
Shading Coefficient (sc) | 0,37 | |
Secondary heat transfer (qi) | 2,19 |
Thermal properties | U-Value | 0,81 W/m²·K |
R-Value | 0,98 m²·K/W |