AS 1728-1975
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Types of timber surfaces
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30-06-2017
English
01-01-1975
Provides for specification of finish of surface by type-numbering sawn surfaces 1 to 5 for finishes from 'coarse' to 'smooth'; dressed surfaces 1 to 5 for finishes from 'dimensional dressing' to 'very smooth'; abraded surfaces 1 to 3 for finishes from 'medium' to 'very smooth'. The grading requirements for each type of surface are given in detail and are summarized in an appendix. A surface gauge is specified for measuring texture of sawn and dressed surfaces and the Standard also specifies a comparison sample for assessing abraded surfaces. Some suggested applications of the various types of surfaces are tabulated in a commentary that also gives 'perceptibility graphs' for the various types of surfaces when coated with finishes with differing degrees of gloss.
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