ISO 6344

ISO 6344 is an international standard covering the materials sizes and tests regarding sandpaper and other similar coated abrasives.

It has three parts:

  • ISO 6344-1:1998: Grain size distribution test
  • ISO 6344-2:1998: Determination of grain size distribution of macrogrits P12 to P220
  • ISO 6344-3:1998: Determination of grain size distribution of microgrits P240 to P2500

External links

Coated abrasive

A coated abrasive is an abrasive grain bonded to a flexible substrate using adhesives. Common substrates are paper, cloth, vulcanized fiber, and plastic films and come in grit sizes range from very coarse (~2 mm) to ultrafine (submicrometre). The international standard for coated abrasives is ISO 6344.

Sandpaper and emery cloth are coated abrasives for hand use, usually non-precision. These two terms are used by general public in place of "coated abrasives".

Other coated abrasive forms include sanding cords, pads, belts, and discs. Variants are available for use by hand or as components for power tools such as sanders, die grinders and belt sanders

List of International Organization for Standardization standards, 5000-7999

This is a list of published International Organization for Standardization (ISO) standards and other deliverables. For a complete and up-to-date list of all the ISO standards, see the ISO catalogue.The standards are protected by copyright and most of them must be purchased. However, about 300 of the standards produced by ISO and IEC's Joint Technical Committee 1 (JTC1) have been made freely and publicly available.

Sandpaper

Sandpaper and glasspaper are names used for a type of coated abrasive that consists of sheets of paper or cloth with abrasive material glued to one face.

Despite the use of the names neither sand nor glass are now used in the manufacture of these products as they have been replaced by other abrasives such as aluminium oxide or silicon carbide. Sandpaper is produced in a range of grit sizes and is used to remove material from surfaces, either to make them smoother (for example, in painting and wood finishing), to remove a layer of material (such as old paint), or sometimes to make the surface rougher (for example, as a preparation for gluing). It is common to use the name of the abrasive when describing the paper, e.g. "aluminium oxide paper", or "silicon carbide paper".

The grit size of sandpaper is usually stated as a number that is inversely related to the particle size. A small number such as 20 or 40 indicates a coarse grit, while a large number such as 1500 indicates a fine grit.

ISO standards by standard number
1–9999
10000–19999
20000+

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