Superior 161 barrier rib entrance mat. Barrier Rib is a unique yet highly functional indoor entrance mat with a molded dual-ridge cross-rib pattern to maximize the scraping and drying process. A raised rubber perimeter on all four sides of the mat retains moisture and debris, and an carpet treatment stops bacteria and germs at the entrance. An extremely durable rubber backed mat, Barrier Rib has a highly fashionable look that features carpet-to-the-edge to blend with its surroundings and contemporary colour choices to match any decor. Test - Test Description - Results: (1) Abrasion Resistance ASTM D3884-01-Test specimen is subjected to the rubbing action of two abrading wheels under controlled conditions. Results measured in Weight loss (Grams). - . 44 (1. 1 percent). (2) Accelerated Wear ASTM D5252-98a - Using a Hexapod Tumble Drum tester, after a specified number of cycles, the test specimen is assessed for appearance change and colour change. - Number of cycles - 12, 000; Appearance rating - 3. 0; Colour change rating - 3. 5 (3) Accelerated Soiling ASTM D6540-00 - Test specimen is subjected to an accelerated soiling process. for a predetermined length of time. The sample is vacuumed, rated, submitted to an extraction device, then rated again. - (Based on visual inspection) 4. 0 - Vacuum Rating 4. 5 - Rating After Extraction (4) Water Retention - Test specimen is submerged in water for 5 minutes, removed, drained for 15 seconds and weighed. Results measured in weight gain. (Gallons per square yard)-Water weight gain-25. 4 percent 0. 279. (5) Flammability ASTM D2859 (CPSC FF 1-70) - Intended to measure the mattings response to an ignition source in a controlled environment. The uncharred area of the test specimen must be greater than 1 inch to pass. - 3. 6 Inches Note - Passes Federal Flammability Std. DOC FF 1-70. All testing of NoTrax floor matting has been performed by an independent testing laboratory. Face Weight: 26 oz. of tufted polypropylene yarn per sq. yd. Available in brown colour.