{"data":{"id":"us/16-cfr-1616.3","jurisdiction":"us","citation":"16 CFR 1616.3","heading":"General requirements.","body":"(a) Summary of test method. Conditioned specimens are suspended one at a time vertically in holders in a prescribed cabinet and subjected to a standard flame along their bottom edges for a specified time under controlled conditions. The char lengths are recorded.\n(b) Test criteria. The test criteria when the testing is done in accordance with § 1616.4 Sampling and acceptance procedures and § 1616.5 Test procedures are:\n(1) Average char length. The average char length of five specimens shall not exceed 17.8 cm. (7.0 in.).\n(2) Full-specimen burn. No individual specimen shall have a char length of 25.4±0.5 cm. (10±0.2 in.).\n(c) Details of the number of specimens which must meet the above test criteria for unit acceptance is specified in § 1616.4.","path":["Title 16—Commercial Practices","CHAPTER II—CONSUMER PRODUCT SAFETY COMMISSION","SUBCHAPTER D—FLAMMABLE FABRICS ACT REGULATIONS","PART 1616—STANDARD FOR THE FLAMMABILITY OF CHILDREN'S SLEEPWEAR: SIZES 7 THROUGH 14 (FF 5-74)","Subpart A—The Standard"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-16.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:24:29Z","sha256":"fc7e2761300f682ae7d32b945c9d51a82df779c32f932eaab2607bc74d2c88a2","source_id":"us-cfr","stale":true,"prev":"us/16-cfr-1616.2","next":"us/16-cfr-1616.4"},"notice":"GroundRules: Original legal text. Not legal advice."}