Specified weight per square yard of cloth before any fire retardant treatment or coating - ounces | Total learning weight for determining the charred length - pound | |
2.0 to 6.0 . . . . | 0.25 | |
Over 6.0 to 15.0 . . . . | 0.50 | |
Over 15.0 to 23.0 . . . . | 0.75 | |
Over 23.0 . . . . | 1.0 | |
To change into S.I. (System International) units, 1 ounce =28.35 grams, 1 pound = 453 grams, 1 yard = .91 metre.
(ix) You must record the after-flame time of the specimen to the nearest 0.2 second and the char length to the nearest 0.1 inch (.3 cm).
(e) Report.
(i) The after-flame time and char length of the sample unit must be the average of the results obtained from the individual specimens tested. You must record all values obtained from the individual specimens.
(ii) You must report the after-flame time in the nearest 0.2 second and the char length to the nearest 0.1 inch (.3 cm).
(f) Source. These test requirements are contained in "Federal Test Method Standard 191, Method 5903 (1971)," and are reproduced for your convenience.
Figure L-1 - Vertical flame resistance textile apparatus. All given dimensions are in inches. System International (S.I.) unit: 1 inch = 2.54 cm.
Figure L-2 - Vertical flame resistance textile apparatus, door and top view w/baffle. All given dimensions are in inches. System International (S.I.) unit: 1 inch = 2.54 cm.
Figure L-3 - Vertical flame resistance textile apparatus, views and details. All given dimensions are in inches. System International (S.I.) unit: 1 inch = 2.54 cm.
Figure L-4 - Vertical flame resistance textile apparatus. All given dimensions are in inches. System International (S.I.) unit: 1 inch = 2.54 cm.
[Statutory Authority: RCW
49.17.010,
49.17.040,
49.17.050, and
49.17.060. WSR 18-03-159, § 296-24-63599, filed 1/23/18, effective 2/23/18; WSR 15-24-100, § 296-24-63599, filed 12/1/15, effective 1/5/16. Statutory Authority: Chapter
49.17 RCW. WSR 92-23-017 (Order 92-13), § 296-24-63599, filed 11/10/92, effective 12/18/92; WSR 87-24-051 (Order 87-24), § 296-24-63599, filed 11/30/87. Statutory Authority: RCW
49.17.040 and
49.17.050. WSR 82-02-003 (Order 81-32), § 296-24-63599, filed 12/24/81.]