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Lytag introduces new lightweight drainage material

  • 23 Jun 2017

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Aggregate Industries has strengthened its Lytag offering with the relaunch of Sportag, a sustainable, lightweight drainage material.

Sportag is made from Lytag’s secondary aggregate, suitable for land drainage applications with its rounded shape and material properties, in addition to a hydraulic conductivity ten times that of natural aggregates. It is particularly suited to golf courses and sports pitches.

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Sportag secondary aggregate composition also allows for a 30% moisture retention rate, ensuring a healthier and more consistent facility. The product’s 40% void ratio helps aid longevity, improving aeration and allowing roots to penetrate further.

Sportag saves on natural resources, offering greater sustainability and reduced landfill Its round and lightweight nature also means that it is easily handled, flowing easily into position. Lytag lightweight aggregate is made from the fly ash generated by coal fired power stations.

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The revolutionary technology transforms the fly ash into small round pellets, which are then heated to 1,100°C. This creates a very hard pellet with a honeycombed internal structure of interconnecting voids within the aggregate, making it structurally robust yet lightweight. The pellets formed are rounded in shape and range in size from 14mm down to fines and can then be used as a superior, consistent, lightweight aggregate that is up to 40% lighter than natural aggregate.

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