This specification provides the construction details, replacement procedures, and selection criteria for the standard test carpets and pads used when testing vacuum cleaners. The carpet types, which shall be constructed in accordance with the physical requirements provided herein, are classified as follows: shag custom tufted test carpet; plush custom tufted test carpet; multilevel custom tufted test carpet; and level loop test carpet. Padding, on the other hand, shall be of the sponge rubber type of waffle construction with a reinforcing skrim.

1.1 This specification provides construction details and a replacement procedure for the standard carpet and pad to be used when testing vacuum cleaners.

1.2 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only.