The ISO 14446-1999 standard specifies a method for determining the viscosity of industrial nitrocellulose solutions and provides a classification system. The standard applies to nitrocellulose solutions with a nitrogen content in the range of 10.7% -12.6%, helping to classify products of different viscosities. The standard classification system helps to avoid classification differences due to different viscosity measurement methods and solvent types.
This summary is not the original standard text and is for reference only. For accurate information, please obtain it through official channels.
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