Download centre

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:

Download the PDF file 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:

Download the national version for Germany 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:

Download the international version here.

Code of Conduct

At this time the Code of Conduct is only available in german.

Download Code of Conduct

Environment

At this time the brochure is only available in german.

Download brochure

The Incident Ordinance is only available in german

Download Incident Ordinance

Certificate

Certificate for Management System
according to DIN EN ISO 9001:2015,
DIN EN ISO 14001:2015 and
DIN EN ISO 50001:2011

Scope:

Development, manufacture and distribution of silica products, zeolites and sulphur compounds

Download as PDF (364 KB)