Two types of greenhouse glass float glass and diffuse glass

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Two types of greenhouse glass float glass and diffuse glass

In vegetable production, a rule of thumb states that 1% more light equals 1% more potential production. The greenhouse covering therefore should allow the sunlight to enter the greenhouse as much as possible for a maximum potential photosynthesis. Just like every constructive element in the greenhouse, glass is evaluated carefully for its light translucency and its return on investment, if not more.

Yuhua Greenhouse Glass Diffuse Glass 70 Haze

Two types of greenhouse glass can be distinguished; horticultural float glass and diffuse glass. The typical glass that is used for glass greenhouses is the horticultural float glass. It is a transparent glass with a high light admittance to ensure sufficient light in the greenhouse. The other type of glass is on the rise and installed in many new greenhouse projects. Diffuse glass has an etching or a structure which changes the properties of the surface of the glass, which can be benefitial for the crops within the greenhouse.

Yuhua Greenhouse Glass Diffuse Glass 70 Haze

The iron contents of greenhouse glass also have impact on the overall light translucency. The so-called “low-iron” glass is more transparent than regular glass. Another way of allowing more light pass through the glass, is by applying AR-coatings. These permanent anti-reflection coatings reduce the reflection levels of sunlight on the glass, which results in more light in the greenhouse.

Yuhua Greenhouse Glass Diffuse Glass 70 Haze

In many cases the greenhouse glass is tempered for safety reasons. This makes the glass 4 to 7 times stronger than the default form of float glass. Also, in case of glass breakage, it shatters into a large amount of small pieces which can prevent human injury and crop damage.

Yuhua Greenhouse Glass Diffuse Glass 70 Haze

The size of the glass panes with which the greenhouse is glazed are dependent of the aluminum system, the trellis-span and the post-distance.

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