||MILSPECNAME||This commercial item description covers copper and aluminum metallic wool used as an abrasive for cleaning and polishing. This commercial item description may involve hazardous materials and procedures and does not purport to address the safety or environmental problems associated with it's use. It is the responsibility of the user of this description to consult and establish appropriate safety, health, and chemical disposal practices in accordance with all applicable state, local, and Federal regulations.

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A-A-1044A

3.1.3 Fiber thickness. Thickness of individual fibers shall be in accordance with Table I and II (see 4.8).

Table I, Type I

Class	Thickness (inches)	Tolerance (inches, plus or minus)
1- Medium	0.005	0.001
2- Coarse	0.007	0.001
3- Fine	0.003	0.001

Table II, Type II

Class	Maximum Thickness (inches)	Minimum Thickness (inches)	Average Range (inches)
1- Medium	0.010	0.005	0.009-0.006
2- Coarse	0.018	0.007	0.016-0.009
3- Fine	0.008	0.002	0.007-0.003

3.2 Fiber properties. Individual fibers shall have uniform cutting edges which are sharp and smooth. The length of fibers used in the wool shall be such that the wool clings together in handling without unraveling.

3.3 Performance.

3.3.1 Type I.

3.3.1.1 Ductility. Individual fibers shall be capable of being bent completely around wire mandrels of the sizes in table III (see 4.10).

Table III, Type I

Class	Diameter of mandrel
1	0.036 inch
2	0.045 inch
3	0.028 inch