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Last Updated: Apr 23, 2012
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ASTM C148-00(2011)
Standard Test Methods for Polariscopic Examination of Glass Containers
Standard Test Methods for Polariscopic Examination of Glass Containers
C0148-00R11
ASTM|C0148-00R11|en-US
Standard Test Methods for Polariscopic Examination of Glass Containers
Standard
C148 Standard Test Methods for Polariscopic Examination of Glass Containers>
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BOS Vol. 15.02 Committee C14
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Significance and Use
These two test methods are provided for evaluating the quality of annealing. These test methods can be used in the quality control of glass containers or other products made of similar glass compositions, where the degree of annealing must be verified to ensure quality products. These test methods apply to glass containers manufactured from commercial soda-lime-silica glass compositions.
Scope
1.1 These test methods describe the determination of relative optical retardation associated with the state of anneal of glass containers. Two alternative test methods are covered as follows: