National foreword
Committees responsible
Method
0. Introduction
1. Scope and field of application
2. References
3. Definitions
4. Grading method
5. Trimming
6. Grading procedure
7. Tolerance
Tables
1. Standard grading for muscovite mica blocks, thins
and films
2. Additional grades for thumb-trimmed mica
3. Additional grades for Madras rounds
Figure
Grading chart for muscovite mica blocks, thins and films