Cloths, Cleaning for Aircraft Primary and Secondary Structural Surfaces
This specification covers both woven and nonwoven absorbent materials supplied in the form of cloths. Primarily for use in cleaning smooth or textured, metallic and nonmetallic surfaces preparatory to processing operations which are sensitive to residual surface contamination. Cloths are not intended for use on transparencies. Cloths covered by this specification are classified as follows: Type 1 - Virgin cloth, composed of 100% cotton fibers; Type 2 - Virgin cloth, composed of 100% synthetic or blended synthetic/natural fibers; Grade A - for use in cleaning operations where residual surface contamination levels are exceptionally critical; and Grade B - for use in cleaning operations where low residual surface contamination levels are required. Grade A cloths may be substituted for Grade B at any time for processing operations. Unless a specific type of cloth is specified by purchaser, either type may be supplied.purchaser, either type may be supplied.