{"data":{"id":"us/16-cfr-1615.3","jurisdiction":"us","citation":"16 CFR 1615.3","heading":"General requirements.","body":"(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.\n(b) Test criteria. The test criteria when the testing is done in accordance with § 1615.4 Test procedure 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 cm. (10 in.).","path":["Title 16—Commercial Practices","CHAPTER II—CONSUMER PRODUCT SAFETY COMMISSION","SUBCHAPTER D—FLAMMABLE FABRICS ACT REGULATIONS","PART 1615—STANDARD FOR THE FLAMMABILITY OF CHILDREN'S SLEEPWEAR: SIZES 0 THROUGH 6X (FF 3-71)","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":"7690939d5d301c13642e042ea30b390cad8232f38fb54a57d446265f470797ae","source_id":"us-cfr","stale":true,"prev":"us/16-cfr-1615.2","next":"us/16-cfr-1615.4"},"notice":"GroundRules: Original legal text. Not legal advice."}