IS 12869 : Part 1 : 2022 Methods for Determination of Viscosity and Viscometric Fixed Points of Glass Part 1 Standard Test Methods

ICS 81.040.01

CHD 10

Revised Standard from Last Update.

1. SCOPE

This standard (Part 1) prescribes the methods for determining the viscosity of glass. This standard includes following three methods:

a) Fibre elongation method;

b) Beam bending viscometer method; and

c) Viscous compression of a solid right cylinder method.

2. REFERENCES

The Indian Standards given below contain provisions which through reference in this text, constitute provision of this standard. At the time of publication, the editions indicated were valid. All standards aresubject to revision, and parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the standards.

7358 : 1984 Specification for thermocouples (first revision)