Preparation of steel substrates before application of paints and related products. Specifications for non-metallic blast-cleaning abrasives - Copper refinery slag1 Scope This document specifies requirements for copper refinery slag abrasives, as supplied for blast cleaning processes. It specifies ranges of particle sizes and values for apparent density, Mohs hardness, moisture content, conductivity of aqueous extract and water soluble chlorides. The requirements specified in this document apply to abrasives supplied in the "new" condition only. They do not apply to abrasives either during or after use. Test

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SIL 4 has been deleted as being not appropriate to gas detection

Helical scan is a method of recording high-frequency signals on magnetic tape

ISO 2409 specifies a test method for assessing the resistance of paint coatings and varnishes to separation from substrates

for the determination of product irregularities and discontinuities

Extending the longevity of optical discs requires the identification of appropriate handling methods

It is not intended to be used for any other stand-alone relay

It is not applicable to other types of filter

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which remains current as obsolescent

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