Drinking water-approved silicone seals, hose lines (with and without connections) and components - tested to international standards and perfectly suited for sanitary, fitting and installation applications.
DIN EN 16421 ("W270 ")
Grown from German quality - at home worldwide
175,000 standard articles
Everything from a single source
From the sketch to mass production
Whether hoses, seals or assembly aids – BIW develops components for sanitary technology directly in line with the requirements of series production. Our development teams think in terms of approvals, specifications and series processes right from the start.
Silicone made for energy technology
Our silicone compounds are tailored to the high requirements of sanitary technology – temperature-resistant, flexible and suitable for drinking water. Compounded in-house, customised to your application.
Prototyping under real conditions
With our own lines for sampling and series-identical technology, we ensure fast, reliable results. Your idea becomes a production-ready solution in the shortest possible time – without any detours.
Standards included
BIW supplies sanitary technology companies worldwide – with system solutions, the various SANIBIW qualities fulfil the requirements of national and international drinking water guidelines.
Discover suitable products
Solutions for many other areas of application
We accompany you through every step of your development
- Production-related advice in >24 hours
- Technical support without detours
More than 2.5k+ customers trust in our collaboration
Frequently asked questions about our silicone solutions for drinking water and sanitary technology
Here you will find answers to frequently asked questions at lightning speed. You can contact us at any time by e-mail.