§ 1615.3. General requirements.
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/us/cfr/t16/s§ 1615.3·A research copy — for the controlling text, always check the official state or federal source. Not legal advice.
(a)Summary of test method. Five conditioned specimens, 8.9 × 25.4 cm. (3.5 × 10 in.), are suspended one at a time vertically in holders in a prescribed cabinet and subjected to a standard flame along their bottom edge for a specified time under controlled conditions. The char length is measured.
(b)Test criteria. The test criteria when the testing is done in accordance with § 1615.4 Test procedure are:
(1)Average char length. The average char length of five specimens shall not exceed 17.8 cm. (7.0 in.).
(2)Full specimen burn. No individual specimen shall have a char length of 25.4 cm. (10 in.). \[40 FR 59903, Dec. 30, 1975, as amended at 43 FR 4853, Feb. 6, 1978\]
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§ 1615.3
General requirements.
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