MIL-DTL-24688A
TABLE VII. Conformance inspection - Continued.
Inspection
Requirement
Test
Group C - Continued
Steam aging
Type I and Type III, Classes 1, 3, and 5
Fungus resistance
Type I and Type III
Odor
Type I and Type III
Group D
Flame resistance
Type I and Type II, Classes 1, 2, and 5
Duct insulation room/corner test
Type II, Classes 3 and 4
Flame spread and smoke
Type I
Type II, all classes
Type III, Classes 1, 3, and 5
Type III, Classes 2, 4, and 6
Pipe insulation room/corner test
Type III, all classes
Toxic gas generation
Type I, Type II, and Type III
4.3.1 Examination of end item for defects in appearance and dimensions. The sample unit for the examination
of table VIII shall be one insulation panel or preformed pipe insulation length, as required. Not more than five
panels or preformed pipe insulation lengths shall be selected from a single carton.
TABLE VIII. Examination for visual and dimensional defects.
Examination
Defect
Appearance (Type I)
Surface not sufficiently smooth to permit facing.
Facing wrinkles or facing not adhered over entire surface of foam.
Appearance (Type II)
Excessive surface waviness which results in increase of thickness
of ¼-inch or greater.
Facing not aligned as specified.
Appearance (Type III)
Facing wrinkles or facing not adhered over entire surface of foam.
Paintability (Type II, Classes 1, 3, 4, and 5 and
Not as specified in 3.7.1.
Type III, Classes 2, 4, and 6)
Classification
Type not as specified (see 1.2).
Not within limits or tolerances specified in 3.4 or by contract
Dimensions
requirements.
Weight
14
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