Centre
National
d'Evaluation
de Photoprotection

Contact-us:

contact@cnep-fr.com

Call us:

+33 473 40 5300

Opening hours:

Mon - Fri 8 AM - 6 PM

CNEP - Centre National d'Evaluation de Photoprotection

Your partner in photoaging
and polymer analyzes

Supporting companies in their polymer materials issues

Our main areas

The CNEP is recognized for its skills and its varied fields of activity. With a deep understanding of the use and development of plastics and polymer materials, we are able to support a diverse customer base and meet various needs in the sports and leisure, agricultural, packaging and transport.

Our company is also present in key technology areas such as electricity and telecommunications as well as the medical industry. Additionally, our expertise in polymer-related research allows us to stay at the forefront of scientific and technical advances in our sector.

Finally, part of our team specializes in the analysis of works of art. The CNEP offers its services to collectors, museums and galleries in order to preserve and study these unique pieces in depth.

Transportation industry

  1. Lightweight bodywork: Polymers reinforced with carbon or glass fibers are increasingly used for the manufacture of automobile bodies. These materials provide high structural strength while being much lighter than traditional metals such as steel.

  2. Vehicle interiors: Plastics are used to make many vehicle interior parts, such as dashboards, door panels, seats and interior trim. They offer a wide variety of colors, textures and finishes, while being easy to mold and shape.

  3. Tyres: Modern tires use special polymers in their compositions to improve durability, grip and wear resistance. These polymers help extend tire life and improve vehicle fuel efficiency.

  4. Tubes and lines: Fuel lines, brake lines, and engine cooling systems are often made from polymers like polyethylene and polypropylene because of their resistance to heat. corrosion, their lightness and their flexibility.

  5. Electrical insulation: Polymers are widely used in vehicle electrical systems for insulation of cables and connectors. Materials such as cross-linked polyethylene (XLPE) and polypropylene provide effective insulation while being resistant to high temperatures and corrosive environments.

  6. Engine Components: Certain specialty polymers, such as fiber-reinforced polyamides, are used to make engine parts such as air filter housings, intake manifolds and distribution covers. These materials offer excellent resistance to heat and corrosion.

Buildings and public works

  1. Floor coverings: Polymers are used in the manufacture of floor coverings such as vinyls, laminates and rubber coatings. These materials offer a wide variety of designs, are easy to install and have good resistance to wear and stains.

  2. Thermal and acoustic insulation: Foams and polymer-based insulation materials are widely used for thermal and acoustic insulation of buildings. These materials are lightweight, easy to handle and offer excellent insulation properties.

  3. Roof coverings: Polymer roofing membranes, such as PVC (polyvinyl chloride) and TPO (thermoplastic polyolefin), are commonly used for waterproofing flat roofs. These materials offer excellent resistance to weather, humidity and UV rays.

  4. Pipes and pipes: Polymer pipes, such as PVC and PE (polyethylene), are widely used for water distribution systems, sewerage systems and pipelines gas. These materials are lightweight, corrosion resistant and easy to install.

  5. Facade Claddings: Polymer facade claddings, such as aluminum composite panels (ACP), PVC panels and fiber cement cladding, are popular for their durability, strength to bad weather and their low maintenance.

  6. Adhesives and Sealants: Polymers are used in the manufacture of adhesives and sealants for a variety of construction applications, including joining materials, sealing joints, and attaching coverings .

  7. Windows and Doors: Window and door frames made of polymers, such as PVC and powder-coated aluminum, are commonly used due to their durability, weather resistance and their low maintenance.

  8. Protective Coatings: Polymer protective coatings, such as paints and varnishes, are used to protect building surfaces from corrosion, scratches and weather damage .

Electricity and telecoms

  1. Electrical cable insulation: Polymers, such as cross-linked polyethylene (XLPE) and poly(vinyl chloride) (PVC), are commonly used as insulation in electrical cables to provide safe and efficient transmission of electricity.

  2. Cable protection sleevings: Polymer sleevings, such as polyethylene (PE) and polypropylene (PP), are used to protect electrical cables and telecommunications cables from mechanical damage , humidity and chemicals.

  3. Connectors and housings: Polymers are used in the manufacture of electrical connectors and protective housings for electronic components and telecommunications equipment due to their light weight, impact resistance and of their durability.

  4. Insulation of transformers and electrical equipment: Polymers, such as epoxy resins and silicone insulators, are used for insulation of electrical transformers, circuit breakers and other electrical equipment due to their excellent insulating properties and resistance to high temperatures.

  5. Antennas and waveguides: Polymers are used in the manufacture of antennas and waveguides for wireless communication systems due to their light weight and ability to support high frequencies.

  6. Optical fiber coatings: Polymers are used for protective coatings of optical fibers in telecommunication cables to protect them against mechanical damage and moisture.

  7. Encapsulation materials for electronic circuits: Polymers are used as encapsulation materials to protect electronic circuits against humidity, shock and vibration, while providing electrical insulation effective.

  8. Insulation of electrical poles and towers: Polymers are used as insulation materials for electrical poles and transmission towers to prevent arc flashes and ensure the safety of installations .

Agriculture

  1. Plastic films for greenhouses: Polyethylene plastic films are widely used as coverings for agricultural greenhouses. They help control temperature, humidity and light, thereby promoting crop growth and providing protection against bad weather.

  2. Drip Irrigation: Polymer pipes and emitters are used in drip irrigation systems for efficient distribution of water to plants. These systems enable more efficient use of water and reduce losses through evaporation and runoff.

  3. Mulch Films: Polyethylene mulch films are used to cover soil around crops to reduce weeds, conserve moisture and maintain optimal soil temperature for growth plants.

  4. Protective wraps for fruit: Polymer wraps are sometimes used to protect fruits against mechanical damage, diseases and pests while allowing good aeration and uniform ripening.</ li>

  5. Food packaging: Polymer food packaging, such as bags and films, is used for the preservation and transportation of fresh agricultural products, thereby extending their shelf life and reducing losses post-harvest.

  6. Storage Containers: Polymer tanks and containers are used for the safe and hygienic storage of fertilizers, pesticides and other agricultural chemicals.

  7. Bird and Insect Netting:Polymer nets are used to protect crops from damage by birds and insect pests, thereby reducing reliance on pesticides. li>

  8. Soil conditioning materials: Special polymers are used as soil amendments to improve the structure, water retention and fertility of agricultural soils.

Sports and leisures

  1. Tennis and badminton rackets: Racket frames are often made from fiber-reinforced polymers to provide both lightness and strength, leading to improved power and accuracy of shots.

  2. Athletic shoes: The midsoles of athletic shoes are often made from polymer foams, such as EVA (ethylene vinyl acetate) or PU (polyurethane), to provide optimal cushioning and support during physical activity.

  3. Protective equipment: Protective equipment such as helmets, knee pads and elbow pads often use polymers to absorb shock and protect athletes from injury.

  4. Sportswear:Technical fabrics used in sportswear, such as polyester and nylon, are often synthetic polymers that provide breathability, moisture wicking and abrasion resistance.

  5. Surfboard and snowboard: Surfboards and snowboards use fiber-reinforced polymers to provide an optimal combination of lightness, flexibility and strength, which improves performance on the waves and on the snow.

  6. Sports balls: Footballs, basketballs and volleyballs are often made from polymers like polyurethane or synthetic rubber to provide optimal bounce, durability and resistance to bad weather.

  7. Swimming equipment: Swimming goggles, swimsuits and caps are often made from soft, chlorine-resistant polymers to provide comfort and durability when swimming. swimming.

  8. Tents and Camping Equipment: Tents, sleeping bags and other camping equipment often use polymer fabrics to provide water resistance, lightweight and durability when exploring outdoors.

Packaging

  1. Flexible Food Packaging: Polyethylene, polypropylene and PVC plastic films are widely used to package a wide variety of foods, such as snacks, dairy products, meats and frozen products , providing protection against moisture, contamination and mechanical damage.

  2. Plastic bottles: PET (polyethylene terephthalate) bottles are commonly used to package soft drinks, mineral waters, fruit juices, cooking oils and personal care products personal due to their lightness, transparency and shock resistance.

  3. Plastic Bags and Sacks: Polyethylene bags are used for a variety of packaging applications, including grocery bags, freezer bags, garbage bags and industrial packaging bags, providing protection against the elements and facilitating transport.

  4. Rigid food packaging: Rigid plastic containers, such as polypropylene and polystyrene trays and boxes, are used to package a range of food products, providing protection against impact and contaminants while allowing an attractive presentation of the products.

  5. Pharmaceutical Packaging: Plastic packaging is used to package a wide variety of pharmaceutical products, such as tablets, capsules, syrup bottles and blister drug packaging, providing a protection against humidity, light and contamination.

  6. Shrink Wrap Films: Polyolefin shrink wrap films are used to wrap and protect individual products or groups of products, providing protection against dust, moisture and mechanical damage.

  7. Eco-friendly packaging: Biodegradable and compostable polymers, such as polylactic acid (PLA) and corn starch, are increasingly used to make environmentally friendly packaging , thereby reducing the environmental impact of plastic waste.

  8. Stretch films for palletizing: Polyethylene stretch films are used to secure and stabilize product pallets during transport and storage, reducing the risk of damage and loss.</li >

Medical

  1. Medical Implants: Polymers are used to manufacture a range of medical implants such as joint prostheses (knee, hip), dental implants, vascular stents and pacemakers due to their biocompatibility and their ability to be integrated into the human body without causing adverse reactions.

  2. Suture devices: Polymer suture threads, such as polyglycolide (PGA), polyglactin (PGLA), and polydioxanone (PDO), are used to suture surgical wounds due to their resistance, flexibility and ability to dissolve in the body.

  3. Packaging and sterilization materials: Polymers are used to make medical packaging such as sterilizable pouches and pouches, medical device packaging and packaging films to ensure the sterility of medical instruments and products.

  4. Drug delivery devices: Polymers are used to make drug delivery devices such as transdermal patches, subcutaneous implants and controlled drug delivery systems, enabling precise and controlled release of drugs into the body.

  5. Orthotic and prosthetic materials: Polymers are used to make custom orthotics and prosthetics, such as splints, foot orthotics and hearing aids, providing comfort, flexibility and durability tailored to individual patient needs.

  6. Diagnostic Packaging Materials: Polymers are used to make containers and packaging for diagnostic tests, such as test tubes, pipettes and microtiter plates, ensuring the stability and integrity of biological samples.

  7. Stent materials: Polymers are used to make stents, such as coronary stents and dilation balloons, providing flexibility and mechanical strength adapted to the vascular environment .

  8. Coating materials for medical devices: Polymers are used as coatings for medical devices such as catheters, vascular prostheses and orthopedic implants to improve biocompatibility, reduce cell adhesion and prevent the formation of blood clots.

Research

  1. Materials for new product design: Polymers are used as basic materials in the design and development of new products in various industrial sectors, such as automotive, aerospace, electronics and consumer goods.

  2. Materials for additive manufacturing: Polymers are used as 3D printing materials for the rapid manufacturing of prototypes, models and components in the product design process.

  3. Materials for biomedical research: Polymers are used in biomedical research to develop new biomaterials, medical implants and drug delivery devices for medical and pharmaceutical applications.</li >

  4. Materials for energy technologies: Polymers are used in energy technology research, including organic solar cells, lithium-ion batteries, and materials for energy storage, due to their electrical properties and their lightness.

  5. Materials for flexible electronics: Polymers are used to develop flexible electronic materials, such as OLED displays, sensors and printed circuits, enabling innovative applications in wearable electronic devices and medical devices.

  6. Materials for functional coatings: Polymers are used in functional coatings research to improve the surface properties of materials, such as abrasion resistance, chemical resistance and self-cleaning ability.

  7. Materials for nanotechnology: Polymers are used as matrices or precursors for the synthesis of nanomaterials, such as carbon nanotubes, metal nanoparticles and nanocomposites, in research applications on materials and nanotechnology.

  8. Materials for environmental research: Polymers are used in environmental research to develop materials and technologies for depollution, recycling and waste management, contributing thus to environmental sustainability.

Work of art

  1. Conservation and restoration: Polymers are used in the conservation and restoration of works of art to repair damage, stabilize fragile materials and protect surfaces. For example, epoxy resins can be used to consolidate cracks in wood or stone sculptures, while acrylic resins can be used to consolidate canvas paintings.

  2. Casting and reproduction: Polymers are used to create molds and reproductions of works of art for exhibitions, studies or sales. Silicones and polyurethanes are commonly used to make flexible, detailed molds from original works, allowing details and textures to be faithfully reproduced.

  3. Creating Contemporary Artwork: Many contemporary artists use polymers to create innovative artwork due to their versatility and malleability. For example, epoxy resins can be poured into molds to create transparent sculptures or abstract paintings, while thermoplastics can be used to sculpt complex shapes.

  4. Protective Coatings: Polymers are used to apply protective coatings to works of art to protect them from damage caused by light, moisture, dust and touch . Acrylic varnishes and clear epoxy resins can be applied to paintings and sculptures to create a protective barrier while preserving the original appearance of the work.

  5. Mounts and Mounts: Polymers are used to make custom mounts and mounts to support and display artwork. Materials such as expanded polystyrene, polypropylene and polyethylene are used to create lightweight, strong and non-reactive supports that preserve the integrity of the works while enhancing them.
small_c_popup.png

Do not hesitate to contact us

We will answer as soon as possible

Summer break

The CNEP will be in very reduced activity from August 10 to 15, 2020, contact us preferably after this period.
Thank you

La certification ISO 9001 - 2015

L'ISO 9001:2015 spécifie les exigences relatives au système de management de la qualité lorsqu'un organisme:

a) doit démontrer son aptitude à fournir constamment des produits et des services conformes aux exigences des clients et aux exigences légales et réglementaires applicables, et

b) vise à accroître la satisfaction de ses clients par l'application efficace du système, y compris les processus pour l'amélioration du système et l'assurance de la conformité aux exigences des clients et aux exigences légales et réglementaires applicables.

Toutes les exigences de l'ISO 9001:2015 sont génériques et prévues pour s'appliquer à tout organisme, quels que soient son type ou sa taille, ou les produits et services qu'il fournit.

Obtenir la certification ISO 9001:2015, c’est s’appuyer sur 8 principes de management :
• l’orientation client ;
• l’implication du personnel ;
• l’approche processus ;
• l’amélioration continue ;
• la gestion par approche système ;
• le leadership ;
• la prise de décision fondée sur des preuves ;
• le management des relations avec les parties intéressées.