ISO 14446:1999

Binders for paints and varnishes — Determination of the viscosity of industrial cellulose nitrate solutions and classification of such solutions

Publication date: May 13, 1999

General information

Current stage: 90.93 Effective date: Jun 28, 2022

Originator: ISO

Owner: ISO/TC 35

Type: International Standard

ICS: 83.080.20 87.060.20

Languages: English French

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Status: Published

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Scope

This International Standard specifies a method of determining the viscosity of industrial cellulose nitrate, usually
referred to as nitrocellulose, the nitrogen content of which can vary between 10,7 % by mass and 12,6 % by mass,
depending on the type.
It also gives a classification system for industrial cellulose nitrate solutions (see annex A) which is based on
viscosity measurements made using the method. The use of a standard procedure results in "standard" types and
avoids classification differences which could be caused by the fact that there are many ways of determining
viscosity and a wide variety of solvents available.

Life cycle

NOW

PUBLISHED
ISO 14446:1999
90.93 Standard confirmed
Jun 28, 2022

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