NEN EN 1748-1-1 : 2004
Current
The latest, up-to-date edition.
GLASS IN BUILDING - SPECIAL BASIC PRODUCTS - BOROSILICATE GLASSES - PART 1-1: DEFINITION AND GENERAL PHYSICAL AND MEDICAL PROPERTIES
12-01-2013
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Chemical composition
4.1 Principal constituents
4.2 Tint
5 Physical and mechanical characteristics
5.1 General characteristics
5.2 Definition of clear borosilicate glass
5.2.1 Clear transparent borosilicate glass
5.2.2 Clear translucent borosilicate glass
5.3 Stability of physical and chemical characteristics
6 Dimensional requirements
6.1 Manufacturing dimensions
6.1.1 Stock sizes
6.1.2 Final cut sizes
6.2 Thickness
6.2.1 Tolerances
6.3 Length, width, squareness and tolerances
7 Quality requirements
7.1 Methods of observation and measurement
7.1.1 Optical faults
7.1.2 Visual faults
7.2 Acceptance levels
7.2.1 Optical faults, spot faults, linear/extended faults
7.2.2 Edge defects for final cut sizes
8 Designation
Bibliography
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