Diffuse Glass for greenhouse
Glass has been used as a greenhouse glazing material for many decades primarily because of its high transmission of light and longevity. Although glass transmits a high percentage of sunlight, most of that light penetrates through the glazing in a directional manner; very little is diffused.
Diffused glass is usually created by treating the surface of the low-iron glass to create patterns that scatter the light. Compared with clear glass, diffused glass can:
- Increase the uniformity of the greenhouse climate, especially temperature and light conditions
- Increase fruit production (by 5 to 10 percent) of high-wire tomato and cucumber crops
- Increase flowering and reduce the production time of potted crops such as chrysanthemum and anthurium.
Diffused glass is divided into:
Clear Matt Tempered Glass
Low Iron Matt Tempered Glass
Clear Matt Tempered
Low Iron Prismatic glass
Low Iron patterned glass formed with a matt pattern on one face and a matt pattern on the other face.This ensures the highest energy transmission over the whole solar spectrum.
Low Iron Prismatic glass formed with a matt pattern on one face and the other side is smooth.
Tempered Glass conforms to EN12150，meanwhile, we can make Anti-reflection coating on the glass.
| Specifications | Diffuse Glass 75 Haze | Diffuse Glass 75 Haze with 2×AR |
| Thickness | 4mm±0.2mm/5mm±0.3mm | 4mm±0.2mm/5mm±0.3mm |
| Length/Width Tolerance | ±1.0mm | ±1.0mm |
| Diagonal Tolerance | ±3.0mm | ±3.0mm |
| Dimension | Max. 2500mm X 1600mm | Max. 2500mm X 1600mm |
| Pattern | Nashiji | Nashiji |
| Edge-Finish | C-edge | C-edge |
| Haze(±5%) | 75% | 75% |
| Hortiscatter(±5%) | 51% | 50% |
| Perpendicular LT(±1%) | 91.50% | 97.50% |
| Hemispherical LT(±1%) | 79.50% | 85.50% |
| Iron Content | Fe2+≤120 ppm | Fe2+≤120 ppm |
| Local Bow | ≤2‰(Max 0.6mm over a 300mm distance) | ≤2‰(Max 0.6mm over a 300mm distance) |
| Overall Bow | ≤3‰(Max 3mm over a 1000mm distance) | ≤3‰(Max 3mm over a 1000mm distance) |
| Mechanical Strength | >120N/mm2 | >120N/mm2 |
| Spontaneous Breakage | <300 ppm | <300 ppm |
| Fragments Status | Min. 60 particles within 50mm×50mm; Length of longest particle<75mm |
Min. 60 particles within 50mm×50mm; Length of longest particle<75mm |
| Thermal Resistance | Up to 250° Celsius | Up to 250° Celsius |
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