UV Protection Greenhouse Glass Panels Impact Resistant Horticultural Greenhouse Glass Eco Friendly

High-Performance Greenhouse Glass Technical Specifications Selection Guide For Optimal Plant Growth​

Greenhouse glass is a specialized glazing product engineered to optimize plant growth conditions while withstanding harsh environmental exposure. Modern horticultural glass combines light transmission efficiency with durability and thermal performance.

​​Key Performance Characteristics​​

1. ​​Light Transmission Properties​​

   • ​​PAR Transmission:​​ 90-95% (400-700nm spectrum)

   • ​​Diffusion:​​ 30-70% haze (optimal for light scattering)

   • ​​UV Transmission:​​

     • Standard: 50-60% UV-A (315-400nm)

     • UV-Blocking: <10% (280-315nm)

   • ​​IR Reflection:​​ Up to 50% (with special coatings)

2. ​​Durability Specifications​​

   • Impact resistance: 5J (EN 12150-1)

   • Hail resistance: Class 4 (25mm hail at 23m/s)

   • Wind load: Up to 3.5kPa (EN 13031-1)

3. ​​Thermal Performance​​

   • U-value: 2.8 W/m²K (single pane) → 1.1 W/m²K (double glazed)

   • Light-to-Solar-Gain (LSG) ratio: 1.5-2.0

​​Glass Types for Horticultural Applications​​

​​Advanced Functional Glass Options​​

1. ​​Photoselective Glass​​

   • Blue/red light enhancement (450nm & 660nm peaks)

   • Far-red (730nm) suppression for growth control

2. ​​Self-Cleaning Glass​​

   • TiO₂ photocatalytic coating

   • Maintains >95% light transmission year-round

3. ​​Electrochromic Glass​​

   • Dynamic light/heat control (30-80% transmission range)

   • 5W/m² power consumption

4. ​​PVB Laminated Glass​​

   • 99% UV blocking (plant pathogen control)

   • Impact resistance for hurricane zones

​​Structural Requirements​​

1. ​​Glazing Systems​​

   • Aluminum profiles with thermal breaks

   • Continuous gutter systems (8-12m spans)

   • Safety factor: 1.5 (EN 13031-1)

2. ​​Slope Considerations​​

   • Minimum 22° pitch for self-cleaning

   • 30° optimal for snow shedding

3. ​​Frame Compatibility​​

   • Glazing cap profiles for 4-6mm glass

   • Structural silicone for 10mm+ panels

​​Light Management Technologies​​

1. ​​Prismatic Glass​​

   • Light redirecting (85° winter angle optimization)

   • 20% winter light increase

2. ​​NIR-Reflective Coatings​​

   • Rejects 50% heat radiation (800-2500nm)

   • Maintains full PAR transmission

3. ​​Spectrally-Selective Films​​

   • UV-to-blue light conversion

   • Red/far-red ratio adjustment

​​Global Standards Compliance​​

• ​​EN 13031-1​​ (Greenhouse design standard)

• ​​NEN 6065​​ (Horticultural glass quality)

• ​​ISO 9050​​ (Light transmission measurement)

• ​​DIN 1863​​ (Glass for glazing)

​​Leading Manufacturers & Products​​

1. ​​Saint-Gobain (SGG DIAMANT Horti)​​

   • 95% PAR transmission

   • Anti-condensation surface

2. ​​NSG (Pilkington Activ Horti)​​

   • Self-cleaning + AR coating

   • 97% light transmission

3. ​​AGC (Floatline HortiClear)​​

   • Low-iron diffused glass

   • 70% light diffusion

4. ​​China Glass (Horticulture Ultra)​​

   • Cost-effective 92% transmission

   • 4mm tempered options