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CWK for your records
Customers and prospective customers can find useful documents here for saving or printing. You can access certificates, product data and other useful information at any time, quickly and easily.
Standard Terms and Conditions
General Purchasing Conditions
Our General Purchasing Conditions are available for download here:
General Terms and Conditions of Supply and Delivery for delivery within Germany
Our General Terms and Conditions of Supply and Delivery for Germany are available for download here:
General Terms and Conditions of Supply and Delivery outside Germany (international transactions)
The international version of the General Terms and Conditions of Supply and Delivery is available for download for outside Germany:
Code of Conduct
At this time the Code of Conduct is only available in german.
Environment
At this time the brochure is only available in german.
Certificate
Certificate for Management System
according to DIN EN ISO 9001:2015,
DIN EN ISO 14001:2015 and
DIN EN ISO 50001:2018
Scope:
Development, production and distribution of siliceous products, zeolites and sulphur compounds