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Homepage  > Glass  > Certifikace

Certifikace

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Glass shaping

All formed and shaped glass products of KOOPERATIVA are certificated, certificate nr.COV-2011-008 by Glass Institute Hradec Králové Ltd., and are in accordance with Regulation of Ministry of Health of the Czech Republic no.38/2001of the Coll. of Laws; ČSN ISO 719:1992 and ČSN 70 8005:1993-4.1.1. Thereby all the products glass graints are hydrolytic resistant at 98°C. Next norm with they are accord in is ČSN 70 8005:2003 čl.4.1.4., so all the products carry out requirements to internal tensions.

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Glass decoration

All Kooperativa glass products decorated with hydroglaze DIEGEL and FERRO are certificated, with certificate no. COV-2011-008, by Glass Institute Hradec Králové Ltd. and accordance with Regulation of Ministry of Health of the Czech Republic no. 38/2001of the Coll.of Laws; DIN 51 032:1986; ISO 7086-2:2000 and BS 6748:1986. Thereby all the products cary out requirements to limit values for lead and cadmium content in a leachate from silicate surfaces.