Optifuse

Optifuse is a light diffusion coating for greenhouses that diffuses incoming light while keeping a high transmission of grow-light. It is cleaned off with Topclear Fuse, the Sudlac cleaner designed for that purpose.

Optifuse is highly wear resistant and goes onto the outside of glass and plastic greenhouses. Studies show that diffuse light has a beneficial effect on production, quality and crop growth. The coating is recommended in regions with a moderate temperature, while Optifuse IR takes over in warmer regions.

Long-lasting diffusion
Maximum transmission
Very high diffusion rate
Glass and plastic roofs
Cleaning with Topclear Fuse

Optifuse spreads the light across the whole plant

Optifuse delivers a very high diffusion rate while keeping light loss to a minimum. Incoming light is diffused and reaches every leaf of the plant, high and low, which improves photosynthesis and transpiration. Humidity and temperature are better regulated, with a better CO2 level inside the greenhouse.

Optifuse must be diluted with water before it is sprayed onto the greenhouse. For optimal diffusion it is preferably applied by machine, so as to reach an even spread.

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99%

light transmission

At the reference dilution, Optifuse lets grow-light through almost in full, with a PAR transmission of 99%.

85%

diffusion

At the same dilution, Optifuse diffuses incoming light throughout the greenhouse, for a diffusion rate of 85%.

4

application methods

Optifuse goes on by machine, by hand, by drone or by helicopter, which leaves a choice of 4 methods depending on the equipment available.

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Machine application
The machine gives a more even spread and limits product loss.
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Diffuse light in the greenhouse
Diffused light reaches the high leaves as well as the low ones.
Product information

Optifuse is a milky liquid diffusion coating, supplied in 15 kg buckets. It is designed for outside application on glass and plastic roofs. For professional use only.

Dilution and application

Application is preferably done by machine, so as to reach an even spread, and remains possible by hand, by drone or by helicopter. Optifuse is diluted with clean water before spraying: 1,000 to 1,500 L of liquid per hectare by machine, 1,700 to 2,000 L by hand. The reference dilution, 13 buckets and 1,000 L of water for 1,200 L of liquid per hectare, gives 99% light transmission and 85% diffusion.

Application conditions

We recommend applying Optifuse in the following conditions:

  • An outside temperature between 10 and 30 °C
  • A wind speed below 2 m/s (7 km/h)
  • For fast drying: relative humidity (RH) < 80%
  • Do not apply Optifuse to a wet surface or when rain is forecast within 6 hours
Cleaning

Optifuse is cleaned off with Topclear Fuse, at the moment the grower chooses. Cleaning calls for at least 240 L of Topclear Fuse per hectare, diluted in 1,260 to 1,760 L of water, depending on the application method. Topclear Fuse is applied when substantial rain is forecast within the week, as the rain washes the coating away. It goes neither onto a wet surface nor during rain.

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WHY SUDLAC

The greenhouse shading specialist since 1959

At Sudlac, we have been developing quality greenhouse shading coatings for more than 65 years, protecting crops by optimising the incoming natural light. Our products help growers protect their crops and their greenhouses from excess light and heat, in order to optimise their production.

Sudlac is recognised worldwide for its reliability and the quality of its coatings. Innovation and sustainability sit at the heart of the brand and keep widening the range of solutions for real-world situations. More than 70% of our distributors have been working with us for 10 years or more.

Our teams are there to adapt the coatings to each individual situation. That close-to-the-field support is what allows us to advise you better every time.

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Frequently asked questions

What is Optifuse?

Optifuse is a diffusion coating for greenhouses that diffuses incoming light without losing it. It is designed for outside application on glass and plastic roofs, in regions with a moderate temperature. The grower adjusts the dilution and the application method, then cleans the coating off with Topclear Fuse whenever needed.

What is the point of diffuse light?

Diffused light reaches every leaf of the plant, high and low, which improves photosynthesis and transpiration. Studies show a beneficial effect on production, quality and crop growth.

What diffusion rate does Optifuse reach?

At the reference dilution, Optifuse reaches 85% diffusion and lets 99% of the grow-light through. That dilution means 13 buckets and 1,000 L of water, for 1,200 L of liquid per hectare in machine application.

What types of greenhouse can it be applied to?

Optifuse goes onto the outside of any greenhouse type, on glass and plastic roofs alike. It is recommended in regions with a moderate temperature, while Optifuse IR is meant for warmer regions.

How is Optifuse applied?

Application is done by machine, by hand, by drone or by helicopter, on a clean and dry roof. The machine is preferred, as it gives a more even spread and limits product loss.

How is Optifuse cleaned off?

Optifuse is cleaned off with Topclear Fuse, at the moment the grower chooses. Cleaning calls for at least 240 L of Topclear Fuse per hectare, diluted in 1,260 to 1,760 L of water, depending on the application method. Topclear Fuse is applied when substantial rain is forecast within the week, on a dry roof.

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GREENHOUSE LIGHT DIFFUSION

News & Documentation

Looking for technical documentation or application advice for Optifuse? It is all gathered here.

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The right diffusion at the right time

Sudlac specialists advise on product choice, dilution and application, based on the greenhouse type, the crop and the climate. That conversation is best had before the first spray.

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