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10th January 2017, Nordhausen

Better blades with Soric XXF

Sinoi, based in Nordhausen, Germany, and part of LZ Blades, the largest manufacturer of wind blades in China, is realising multiple processing benefits with the latest Soric XXF nonwoven resin flow layers from Lantor.

With ever increasing blade lengths – Sinoi’s are between 25 and 50 metres – spar caps increase in width. This introduces an extra challenge for the resin  transport between the  pre-fabricated spar cap  and the skin layers of  the blade shell.

Sinoi, based in Nordhausen, Germany, and part of LZ Blades, the largest manufacturer of wind blades in China, is realising multiple processing benefits with the latest Soric XXF nonwoven resin flow layers from Lantor.

Soric XXF is employed to ensure an unhindered infusion process and the security of resin transport underneath the wider spar caps.

Soric XXF is placed between the dry multi-axial layers that make the shell of the blade and the prefabricated spar cap that is pre-cured. It is inserted before the actual infusion process of the blade shell and secures the resin transport and the  connection between the  shell skin and spar cap.

Compared to traditional flow layers Soric XXF provides very predictable resin transport and a high quality infusion process and a better surface quality of the blade due to less air  entrapment (known as blooming).

In addition, it can result in resin savings of up to 35% and shed 40% of the weight added to the component.

Lantor, which has production facilities in Veenendaal, The Netherlands and a subsidiary in Haibach, Germany, has just been acquired by UK group Cathay Investments from the Amsterdam-headquartered Active Capital Company (ACC). The company produces technical and functional nonwovens that are used in applications as diverse as communications and energy cables, packaging, construction and insulation materials, as well as in composites.

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