Wittenburg B.V. of Zeewolde at COMPAMED 2021 in Düsseldorf -- MEDICA - World Forum for Medicine
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Wittenburg B.V.

Productieweg 12, 3899 AK Zeewolde
Netherlands
Telephone +31 36 200030-0
Fax +31 36 200030-1
info@wittenburgbv.nl

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Media files

Hall map

COMPAMED 2021 hall map (Hall 13): stand C33

Fairground map

COMPAMED 2021 fairground map: Hall 13

Our range of products

Product categories

  • 08  Raw materials, materials, adhesives
  • 08.01  Plastics

Plastics

  • 08  Raw materials, materials, adhesives
  • 08.09  Other raw materials, materials, adhesives

Our products

Product category: Other raw materials, materials, adhesives

High performance technical TPE grades

At the Wittenburg Group we specialise in high performance TPE grades. These TPEs are made specifically for the needs of our customers. Together with our R&D staff and our long-standing knowledge of TPEs we can deliver on your needs.

Thermoplastic Elastomers are generally low modulus, flexible materials that can be stretched repeatedly to at least twice their original length at room temperature. They have the ability to return to their approximate original length when relaxed. At the Wittenburg Group we modify the properties of rigid thermoplastics, usually to improve the impact strength. But thats not all, and we go even further and make it our goal to make our TPEs even better. We do this by enhancing them with all kinds of different features depending on your needs.

The Cawiton® CN grades are the high-performance technical TPE grades of the Wittenburg Group. These grades have a hardness varying from 10 to 90 Shore A. The material is opaque; this means it has a natural, light creamy colour and is not transparent. The CN grade can be easily coloured with universal, PE or PP colour master batches.

The exceptional features of CN products are:

They have an excellent compression set; when compressed, they come back to their original shape, even at higher temperatures. This makes them very good for sealing;
They are protected against UV light; this makes them suitable for outdoor applications, e.g. for door sealing;
They have an increased resistance to heat ageing; they last longer in hot climates and technical applications near heat sources;
CN is very easy to eject from the mould.


Cawiton® CN products can be processed as follows:

All grades can be injection moulded;
>40 Shore A and harder can be extruded as tubing and profiles;
>60 Shore A and harder can be extruded as cast film.
For other ways of processing, customised grades are available.

Please contact our engineers to solve your needs for high performance TPE grades.

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Product category: Other raw materials, materials, adhesives

Pre-coloured polymer compounds for medical application

Pre-coloured compounds are applied in the medical market to improve the medical compliancy and the colour consistency and to minimise the medical and economical risks during the shaping step of the final product.

The medical quality system (ISO 13485) and the medical production infrastructure of our company, in combination with our regulatory expertise, are of key benefit for our customers.

We are pre-colouring soft TPEs like TPE-S, TPE-E, TPE-U and hard polyolefins like PP, PE, PBT, PC/ABS, ABS, POM, PA/ABS up to PEEK. We can develop suitable pre-coloured compounds for you but also support the tolling for your pre-coloured compounds in our facilities.

Please contact our engineers to solve your need for pre-coloured polymer compounds for medical applications.

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Product category: Other raw materials, materials, adhesives

Tolling of medical compounds

At the Wittenburg Group we compound (as a toll-manufacture service) several TPE and engineering plastic compounds applied for medical devices or pharmaceutical packaging applications for our customers. Tolling medical compounds.

Toll-manufacturing solutions are used for compounds where our customers are the owners of the compound formulations or have control over the qualification, specification and pricing of the raw materials.

The medical quality system (ISO 13485) and medical production infrastructure of our company, in combination with our regulatory expertise, will be used to support our tolling customers and to produce the final compounds under the highest medical compliancy standards.

Please contact our engineers to solve your need for medical toll-manufacturing services.

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About us

Company portrait

The Wittenburg Group is a family-owned business and a global expert in plastics and thermoplastic elastomer compounds for highly regulated niche markets. The privately-owned group has over 115 years of history and experience. Out of our three production facilities Wittenburg, Witcom and Xunfeng, we produce Witcom and Cawiton grades to global specifications from our European and Asian facilities.

  • Witcom Grades -
    Our product range of high-performance engineering plastics compounds serve the automotive, industrial and E&E market. Witcom grades are produced from our Witcom facility in Etten-Leur and from our Xunfeng facility in China.
  • Cawiton Grades
    Our product range of hard and soft plastics and thermoplastic elastomers meet the needs of highly regulated industries such as medical, pharmaceutical, drinking water, and food. Cawiton grades are produced from our Wittenburg facility in Zeewolde, and Xunfeng facility in China.