For more than 45 years SKZ has been a partner to the plastics industry in testing and quality assurance provided for plastic products. Today, as a testing laboratory accredited by DAP in accordance with DIN EN ISO/IEC 17025 we provide testing services for plastics and plastic products in accordance with national and international standards. We are a type-A inspection board accredited in accordance with DIN EN ISO/IEC 17020 ensuring the quality of production processes and supervising building sites. Many other organizations at home and abroad have recognized us in this capacity.
Examples of foreign organizations that recognize SKZ test certificates are:
• • • • • • • • • •	DTI (Denmark) ETA (Denmark) INSTAL (Poland) OFI (Austria) SII (Israel) SITAC (Sweden) SP (Sweden) SVGW (Switzerland) TGM (Austria) VTT (Finland)
• •	Referring  to  the wide  range of pipes  we have  been  authorized  by the Australian  certification  authority QAS to carry out tests in accordance with Australian standards. In  North America  we  closely  work  together with  the  Canadian  testing laboratory  Jana Laboratories in Toronto which is accredited in accordance with ISO/IEC 17025. In addition to testing and approval services for plastics and plastic products we also concentrate our activities on product certification. At present we are striving to be accredited as a product certification authority in accordance with DIN EN 45011. In the field of construction SKZ has been recognized as “PÜZ” board (“Prüfung, Überwachung, Zertifizierung” = TIC, Testing, Inspection, Certification) by various authorities for a wide range of products. Besides the main services we also offer damage analysis and expert reports. In addition, we provide services for product analysis, process analysis and business analysis. (German Accreditation System for Testing GmbH)