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Q4 White (880) 20kg

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Q4 White (880) 20kg

Item no. 370014682
bucket = 20 kg
100 liters = 133,33333 kg
liter = 1,3333 kg
pallet = 44 bucket
pallet = 6,6 100 liters
pallet = 880 kg
On business days your request will be handled within 24 hours by the responsible account manager for your region. Royal Brinkman does not deliver to consumers or companies outside horticulture.
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Registration number W-number Sell-by date Use-by date


Q4 White, the strongest shading agent, is an extremely weatherproof and optimally ad- justable shading agent specifically designed for glass, plastic film, polycarbonate and acrylic. Even at lower shading percentages Q4 White will not cause excessive wear to the ridge and it is very wear-resistant, yet easy to remove with Removit. Q4 White is the best maximum weatherproof screen product on the market. Q4 White is patented.

User experiences show that with Q4 White wear off on the apex of the roof is minimal. The apex of the roof is very important because on this section of the greenhouse sunlight shines from early morning till late in the evening. However, the apex of the greenhouse roof is also most vulnerable to rain, hail and wind. That wear off on the apex with Q4 White is minimal is therefore seen by many growers as a very good and desirable property of Q4 White.

Q4 White does not contain any components that are harmful to the environment.

Advantages Q4 White

  • Strongest shading agent
  • Highly weather proof
  • Adjustable shading percentage
  • Minimum ridge wear
  • Easily removable with Removit

Dosage Q4 White

With Q4 White it is possible to choose the most optimal shading percentage per crop. By diluting the appropriate amount the right shading percentage can be chosen. The graph shows the shading percentage relative to the number of buckets per hectare of Q4 White.

Buckets per ha Shading in Lux Lifespan (weeks)+/- Weather resistance
3480%24 - 25Maximum
2575%22 - 24Maximum
2065%17 - 21Maximum
1655%13 - 16Maximum
1345%10 - 12Maximum
1040%8 - 10Maximum

Lifespan is measured under average European weather conditions. Extreme weather conditions may slightly affect the values specified.

Usage Q4 White

Calculate the number of buckets needed, by reading the desired percentage from the table above. Add the shading agent to clean water, while stirring. Make use of enough spraying liquid to evenly devide Q4 White on the roof of the greenhouse. The amount of spraying liquid needed for your roof, is dependent on the manner of application. If the shading agent is applied mechanically make use of 1200-1400 liters per hectare. When the choice for manual application has been made, it is recommended to make use of 1500-1700 liters per hectare.

It is advized to keep stirring the solution during the process of application. Apply Q4 White on a dry and clean surface.

Q4 White can be removed from the greenhouse easily and safely by means of Removit at any moment. After applying Removit in the right dosage some rain will wash off Q4 White. If it does not rain for a long time,Q4 White also can be washed off manually.

Please note

Do not use Q4 White in combination with other shading products. Prevent the product from entering the basin during application or removal. Store frost-free.

Extra information

More information

What is a shading agent?

What is the difference between Q3 and Q4 white


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