Silk. Test method for determining the size of silk yarns LONG_TITLE PSV is a measure of
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Description
PSV is a measure of the resistance of coarse aggregate to the polishing action of vehicle tyres under conditions similar to those occurring on the surface of a road
cleaning and maintenance of class H vacuum cleaners
With compliance and obedience to ISO 20569
Emulsifier
2 Selection and definition of the test position
Silk. Test method for determining the size of silk yarns LONG_TITLE PSV is a measure ofWhat is this standard about? This document specifies the test method for determining the size of silk yarns in all types of package forms. It is applicable to various kinds of silk yarns. It is not applicable to spun silk yarns.
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