Reference number
Ïã¸ÛÁùºÏ²Ê¿ª½± 769:1972
Ïã¸ÛÁùºÏ²Ê¿ª½± 769:1972
Fibre building boards — Hard and medium boards — Determination of water absorption and of swelling in thickness after immersion in water
Edition 1
1972-09
Withdrawn
Ïã¸ÛÁùºÏ²Ê¿ª½± 769:1972
5048
Withdrawn (Edition 1, 1972)

Abstract

Covers sheet materials as classified and defined in Ïã¸ÛÁùºÏ²Ê¿ª½± 818. The specified method includes the calculation of the increase in mass and thickness. Apparatus, sampling and preparation of specimens, and testing are described.

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