Wittenburg BV

About Wittenburg BV

Wittenburg Group is a qualified medical compounder designing and manufacturing renewable (biosourced), thermoplastic elastomers (TPE) and speciality engineering plastics compounds to ISO 13485 under the brand name Cawiton®. We have a strong presence as a supplier of polymer compounds to highly regulated and risk-averse markets such as medical devices, pharmaceutical packaging, food packaging and drinking water. 
The privately owned Wittenburg Group has more than 100 years of history and production locations in The Netherlands and China. 
All Cawiton® solutions are designed and developed by our experienced R&D team in close cooperation with our customers and customised to their specific needs. Our Cawiton® grades are used by our customers to manufacture: infusion bags, medical tubes, medical stoppers & closures, catheters, pharmaceutical packaging, airway management applications, soft medical grips, medical wire & cable, medical housing and medical analysis equipment. 
lf you are looking for a PVC free alternative or want to replace tradit...

  • NL
  • 2021
    On CPhI since
  • 1
  • 100 - 249
Contact info

Products from Wittenburg BV

  • Cawiton® PR13816

    Product Cawiton® PR13816

    Transparent ThermoPlastic Elastomers medical grade at 80 shA for IV & infusion set tubing. Low sorption grade (vs PVC tubes with drug contact) with low density 0.89 and flexible solution (no-kinking). 
    PVC free solution, no Endocrine Disrupting Chemicals (EDCs), phthalate free. 
    Cawiton grade suitable with gamma, ebeam or EtO sterilization.
    Sustainability: tubing are free of halogens (e.g. chlorine) and the grade can be partially biosourced. 
    Sorption & comparison studies available

  • Cawiton® PR14713

    Product Cawiton® PR14713

    This medical grade is designed for Twist-Off connectors. This TPE material is translucent. 
    This Cawiton® grade is PVC free and No Endocrine Disrupting Chemicals (EDCs): phthalate free.

Wittenburg BV Resources

  • News TPE solutions with adhesion on different plastic substrates

    We developed several Cawiton® grades to generate good adhesion on a broad scale of a-polar and polar polymer substrates. This is done with two component moulding techniques. 2K moulding or the less preferable overmoulding technique.
  • News TPE solutions for Biopharma tubing

    We have developed Cawiton® grades with high medical quality to support pharmaceutical companies with their fluid handling components. Our TPE grades are designed for aseptic welding connections and sealing disconnection. 
    Our extrusion grades are suitable for sterilization by gamma irradiation and autoclave.