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Serge Ferrari is providing practical solutions to high-performance aquaculture

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In recent years, Serge Ferrari has put its knowledge and expertise to work on a strategically important and challenging field of application: more efficient and responsible aquaculture. The group has been working on this issue collaboratively with Norwegian designers ECOMERDEN, a partner with more than 30 years’ experience in salmon farming technologies. Serge Ferrari has perfected a revolutionary membrane that is the strongest yet developed, and has a non-toxic surface that makes cleaning much easier. Since summer 2015, it has been used to line the walls of a closed EcoCage in Norway.

Its new development puts the company at the heart of the European Blue Growth strategy to support sustainable growth in the fish protection and marine protection sectors.

A fast-growing market

“Many countries have opted to develop aquaculture in response to the spectacular growth in consumption of aquatic products (from 10 kg to 19.7 kg per person, per year in the last 50 years) and the stagnation in fish catches that has resulted from widespread fish species depletion. That’s why today and right around the world, aquaculture is producing as much fish as possible. In France, consumer demand for aquatic products on the basis of their nutritional qualities continues to grow strongly and is currently around 34 kg per person per year”. (Source: Marine and onshore aquaculture farms: the challenges and conditions for successful sustainable development – Elodie Martinie-Cousty and Joëlle Prévot-Madère).

It is to overcome the challenges posed by aquaculture farm operation and the health of the farmed fish on consumers’ plates that Serge Ferrari has focused all its energies on developing a revolutionary flexible membrane that responds effectively to the environmental and social challenges of aquaculture, as well as the expectations of the market.

5 years of Research & Development

It all began in 2010, when the first closed aquaculture systems failed as a result of the rigid materials used. It was at this point that ECOMERDEN approached Serge Ferrari with a request to develop a flexible membrane with the ability to absorb the external stresses imposed by a hostile environment, and that would be pre-assembled in the factory before being transported to a marine farm anywhere in the world. This membrane is designed for use in a subsea cage with a standard volume of up to 17,000 m³, the concept for which was patented in 2010 by ECOMERDEN after five years of product development. The process of perfecting the membrane involved the Serge Ferrari R&D team in four years of work and development to achieve the ambitious targets set: a breaking resistance of more than 26 tonnes per linear metre!

The 80-tonne prototype installed in the Sulefisk marine farm in Norway during summer 2015 has proved its strength and delivered encouraging results: fish mortality cut by a factor of 10, a stable oxygen rate within the cage, zero risk of membrane failure, easy maintenance, a streamlined feeding regime, etc.

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In partnership with designers ECOMERDEN, Serge Ferrari will reveal its latest innovations and its experimental results at the Aqua Nor international aquaculture technology exhibition from 15 to 18 August in Trondheim, Norway.

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Range

Serge Ferrari range for the industry & the environment

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Essentials represent Serge Ferrari’s traditional mid-range of quality materials developed since the company was founded in partnership with textile solution makers and installers.
Their Précontraint technological qualities ensure these classic materials meet functional demand for technical performance and make Serge Ferrari a reference on its many markets.

Specialities are product ranges that meet the standards, usages and required specific performance characteristics of certain professional sectors: agriculture, building, communities, industry, safety, etc. To accompany professionals in their day-to-day operations, Serge Ferrari offers a range of specific accessories: pre-cut strips, cord for boltropes, Silcord, adhesive, bobbin trolleys, etc.

Manufacturing expertise

The exclusive advantages of Précontraint technology

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garantie_precontraintWHAT IS A PRÉCONTRAINT SERGE FERRARI COATED COMPOSITE MATERIAL?

  • a woven base cloth of high tenacity polyester threads,
  • a coating with the membrane under constant tension in both the warp and weft directions throughout the entire manufacturing process
  • a high performance polymer surface layer with a constant and greater thickness over the top of the yarns,
  • a dirt-resistance surface treatment.
  • un traitement de surface anti-salissure

Controlled dimensional stability
Précontraint Serge Ferrari technology guarantees the material’s exceptional dimensional stability, which is almost identical in warp and weft directions. Deformation resistance in the weft direction exceeds that of conventional coated fabrics. This exclusive advantage is very important during textile tensioning.

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Précontraint Serge Ferrari composite materials offer high resistance to stretching due to their very low absorbency.

In addition, due to the dual advantage exceptional stability and straight threads, Précontraint Serge Ferrari composite materials stretch three times less with the weft than conventional coated fabrics.

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Longation in the weft direction under a 200 daN/m load over a period of 100 hours.
Then residual elongation without load.

Totally controlled uniformity
The bi-axial tension central to Précontraint Serge Ferrari technology ensures rigorous control of weft threads and absolute running thread compliance throughout all production batches.

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Précontraint Serge Ferrari® membranes ensure total compliance along the thread, (identical throughout all production batches).
 
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The weft threads of conventional coated fabrics deform significantly and variably depending on the production batches.

 

 

 

Enhanced durability
Material lightness during handling is an important criteria in facilitating making up and installation. Précontraint Serge Ferrari technology ensures this lightness, whilst guaranteeing a thicker coating layer at the top of the yarns. The polyester base cloth is therefore better protected against climatic conditions.

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Thicker coating on the thread crests ensures that the physical properties of Précontraint Serge Ferrari membranes are preserved over time – a key factor in the durability of your projects.

Manufacturing expertise

Swiss made expertise

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swiss-madeSerge Ferrari’s Swiss production unit expertise is long-time recognised in the field of speciality products requiring “Swiss Made” top-of-the range quality, innovation and technology.

A multi-technical and multi-material approach

Serge Ferrari AG masters all the coating techniques :

• direct,
• by cylinder,
• by transfer,
• foam...

and has experience in different types of base cloth:

• non-woven fabrics,
• woven fabrics,
• knitted,
• glass material...

Original specialities

• Environmentally-friendly membranes: the benchmark in a fi eld where the quality and compliance with standards is irreproachable.
• Silicone membranes: an innovation, the fi rst applications of which concern textile architecture but also marine applications, a field in which Serge Ferrari textiles are increasingly successful.
• Transfer coating: a technology that enables the group to develop a full range of synthetic leather designed for commercial furniture applications.
• Infrared: expertise in anti-radar and protection techniques for security fabrics.
• Repositionable adhesive fabrics: a technology developed for the digital printing market.

Environment & agriculture

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Health, protection & safety

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High-performance High Tech membranes

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