Downproofness - International Rotating Box

Brief Test Description
(Adapted from obsolete FTMS 191-5530)
(Adapted from obsolete FTMS 191-5530)
- Description of Test Apparatus
The tumbler is a 45.5 centimeter plastic box with door on one side. A motor rotates the box at a speed of 48 ± 2 revolutions per minute. Twenty-four No. 6.5 solid silicone stoppers are used in the box. - Sample Pillow Specifications
Finished Size of Test Pillow: 20cmX30cm
Seam Style: “SSe” (from ASTM D6193). Also known as a “French seam.”
Stitch Length: Approx. 5 stitches/cm
Stitch Style: “Type 301” (from ASTM D6193)
Needle Size: 90/14
Thread: 29Tex
Mass of Fill Material: 35 grams
Mixture of Fill Material: Specified by customer - Testing Sample Pillow
- Clean test pillow is placed in clean tumbler box.
- Box rotates for 30 minutes.
- All fibers, feathers and clusters are collected from surface of pillow, tumbler box and silicone stoppers.
- Collected material is evaluated and counted.
- Reporting of Results
The numerical rating (see Chart 1) is based upon the amount of fibers, down, and/or feathers that escaped or are protruding through the fabric after the 30 minute tumbling period. Note: only fibers > 4 mm are counted.
