A-A-1447 Towel, Paper (Plastic Wiping)This description covers paper wiping towels intended for use in cleaning, wiping, and polishing of soft delicate surfaces such as plastic finishes or acrylic plastic sheets.

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A-A-1447A

Test Method A- Test for wet tensile strength according to TAPPI T 456, except that samples of towels shall first be placed in a 105^oC oven for 4 minutes.

Test Method B- Test in accordance with TAPPI T 432 using 0.1 ml of white mineral oil, 80-90 S.U. (Saybolt Universal) viscosity, +30 Saybolt color, N.F. grade in lieu of water.

Test Method C- Condition the specimen in accordance with TAPPI T 402. Weigh each specimen of size 4x4 (+ 1/8) inches, and immerse them in distilled water at 25^oC for 3 minutes (+ 10 seconds). Remove the specimens by lifting them at one corner until their surfaces are vertical to the floor, and allow the excess water to drain off for 60 + 10 seconds. Place each in a tared weighing bottle and reweigh. Calculate the percent absorption to the nearest one percent as follows:

Percent absorption =

Wet weight- Dry weight

               X100

Dry weight

Test Method D- Follow the procedures in Test Method C using oil as specified in Test Method B in lieu of water. Drain time for immersed sample should be 20 + 2 minutes.

Workmanship. The towels shall be soft, pliable, smooth, and clean. Towels shall not contain holes, tears, cuts, wrinkles, dirt, and foreign material which will adversely affect the appearance or serviceability of the towels.

Regulatory requirements. The offeror/contractor is encouraged to use recovered materials in accordance with Public Law 94-580 to the maximum extent practicable.

Preservation, packaging, packing, labeling and marking. Preservation, packaging, packing, labeling, and marking shall be as specified in the contract or order.

Notes: TAPPI test methods are available from the Technical Association of the Pulp and Paper Industry, Technology Park/Atlanta, P.O. Box 105113, Atlanta, GA 30348.