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【范围】
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1.1 Form
This specification covers both woven and nonwoven absorbent materials supplied either as dry cloths or presaturated
cloths for solvent cleaning process applications.
1.2 Application
These cloths have been typically used in cleaning smooth or textured, metallic and nonmetallic surfaces preparatory to
processing operations which are sensitive to residual surface contamination, but usage is not limited to such applications.
Cloths qualified to this specification are not intended for use on transparencies.
1.3 Classification
Cloths covered by this specification are classified as follows:
Class 1 Virgin cloth, composed of 100% cotton fibers, with or without added binders.
Class 2 Virgin cloth, composed of 100% synthetic or blended synthetic, cotton, or cellulose materials, with or without
added binders, which remain stable up to 400 °F (204 °C).
Class 3 Empty classification (formerly presaturated cloths - see Form 2).
Class 4 100% polyester knit without binders.
Grade A For use in cleaning operations where exceptionally low residual surface contamination levels are required.
Grade B For use in cleaning operations where low residual surface contamination levels are required.
Form 1 Dry cloths (in individual wipes or rolls).
Form 2 Cloths contained in a presaturated wiping system, except that binders, surfactants, or other chemical
treatments shall not be included (See 8.6). Solvents used in the presaturation process shall be designated
and approved as acceptable by the purchaser.
Note: Purchaser should ensure that solvent and cloth used in presaturated wiping system are compatible and
adequate for desired cleaning application.
1.3.1 Grade A cloths may be substituted for Grade B at any time for processing operations.
1.3.2 If no classification of cloth is specified, a Grade A, Form 1 cloth of either Class 1 or Class 2 shall be the default.strRefField
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