Middle-iron Diffused Horticulture Glass

Middle-iron diffused horticulture glass offers exceptional value for money. Its precisely controlled iron content places it between low-iron and standard glass. Its main characteristics are balanced light transmittance, wide compatibility, and inexpensive cost. This product is perfect for outdoor grow shelters, home gardening greenhouses, and small to medium-sized greenhouses. It is particularly well-suited for growing crops that are slightly light-sensitive, such as peppers, strawberries, green vegetables, and common flowers, meeting the needs of consumers who want high-quality food at reasonable costs.

In the European market, this product provides major benefits. Medium- and low-iron horticultural glass, unlike low-iron glass, is not subject to anti-dumping taxes, removing these additional expenditures and greatly lowering import prices for European growers, dealers and builders. It offers an ideal balance of performance and cost, effectively resolving the dilemma of insufficient light transmittance of standard glass, which impacts yields, and the high cost (including tariffs) of low-iron glass.

This glass achieves a golden balance of light transmission and spectral properties, with a transmittance of ≥90%, exceeding the upper limit of 89% for ordinary glass. While lower than the 91% transmittance of low-iron glass, it still meets the photosynthetic needs of most crops. For example, the growth cycle of leafy vegetables covered with this glass is only 1-2 days slower than that of low-iron glass, and significantly faster than that of ordinary glass.

It has excellent spectral adaptability. Due to its moderate iron content, its absorption of photosynthetically active radiation (400-700nm) is slightly higher than that of low-iron glass, but much lower than that of ordinary glass. In particular, it retains sufficient red light (to promote fruiting) and some blue light (to ensure leaf growth), perfectly meeting the light requirements of most non-high-end crops. It also offers significant cost advantages. Since there are no anti-dumping duties in Europe, the total cost of procurement is significantly lower than that of low-iron glass, resulting in a notable increase in light transmission.

This middle-iron horticulture glass demonstrates exceptional durability and environmental adaptability. After tempering, its impact strength is 2-3 times that of ordinary glass. It can withstand hailstones ≤ 1.5 cm in diameter and wind gusts ≤ force 7, meeting the protection requirements of most non-extreme climate zones in Europe (such as temperate maritime climates).

It can function reliably in temperatures between -20°C and 60°C and has a good resilience to weather and corrosion. With a light transmittance decrease of ≤8% after five years, it offers better UV protection than ordinary glass. It satisfies Europe's stringent environmental agriculture requirements by withstanding exposure to common fertilisers and herbicides without growing mould or corroding. In the European market, its typical service life of ≥12 years makes it perfect for long-term cost planning.

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