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Standard Glasses for Calibrating Purposes

For calibrating purposes in physical and chemical investigations of glasses, the DGG offers the following standard glasses.

Standard Glass 1

Standard Glass 1 is a soda lime silica glass (flat glass) with precise chemical analysis of the main components. The Physikalisch-Technische Bundesanstalt of Braunschweig carried out the viscosity measurements in the temperature range of 520 to 1420 °C. In round robin tests, transformation temperature and thermal coefficient of expansion were determined.

Standard Glass 1 is available as sheets (ca. 80 mm x 50 mm x 10 mm) of ca. 98 to 100 g each.

Price: EUR 440.– per sheet of Standard Glass 1 plus VAT and shipping costs. The maximum delivery quantity per order is two sheets. For how to order, see right column, data sheet follows here.

Standard Glass DGG X

new viscosity standard
Standard Glass DGG X is close to Standard Glass 1 of the DGG and is a soda lime silica glass, too. The precise chemical analysis of the main components and some trace elements is determined within a round robin test of the sub group “glass analysis” of the technical committee 1 of the DGG “physics and chemistry of glasses”. The Physikalisch-Technische Bundesanstalt of Braunschweig carried out the viscosity measurements in the temperature range of 520 to 1420 °C. In round robin tests, transformation temperature and thermal coefficient of expansion were determined.

Since the properties of Standard Glasses 1 and DGG X are more or less similar, the known property data of Standard Glass 1 may be used for comparison.

Standard Glass DGG X replaces Standard Glass 1 as viscosity standard.

Preis: EUR 225,– per sheet of Standard Glass DGG X plus VAT and shipping costs. For how to order, see right column, data sheet follows here.

Standard Glass 2

The composition of Standard Glass 2 corresponds to that of a float glass. The chemical analysis of this glass as determined by a round robin test is available upon request. Delivery is a set of two sheets (ca. 80 mm x 50 mm x 5 mm) of ca. 50 g each.

Price: EUR 105.– per set of Standard Glass 2 plus VAT and shipping costs. For how to order, see right column, data sheet follows here.

Standard Glass 3

Standard Glass 3 is a borosilicate glass (type Duran). The chemical analysis of this glass as determined by a round robin test is available upon request. This standard glass is offered in the form of a powder (sieve analysis also available).

Price: EUR 100.– per ca. 100 g of Standard Glass 3 plus VAT and shipping costs. Note the separate contact information for ordering. Data sheet follows below.

To order Standard Glass 3, please contact:
Zentrum für Glas- und Umweltanalytik GmbH
Hohe Straße 45
98693 Ilmenau-Unterpörlitz
GERMANY
Tel.: +49 (0) 3677 8452-0
Fax: +49 (0) 3677 8452-28
lab(at)zgu.de
http://zgu-ilmenau.de/
http://zgu-ilmenau.com/