{"data":{"id":"us/46-cfr-164.007-5","jurisdiction":"us","citation":"46 CFR 164.007-5","heading":"-5 Test requirements.","body":"The insulation value of the specimens for the full scale test shall be such that the average temperature of the thermocouples on the unexposed surface described in § 164.007-4(f)(2) will not rise more than 139 °C. (250 °F.) above the initial temperature, nor will the temperature at any one point on the surface, including any through metallic connection, rise more than 181 °C. (325 °F.) above the original temperature at the end of 60 minutes. The results obtained on the small scale test 2′ × 2′ (60 cm. × 60 cm.) shall be recorded.","path":["Title 46—Shipping","CHAPTER I—COAST GUARD, DEPARTMENT OF HOMELAND SECURITY","SUBCHAPTER Q—EQUIPMENT, CONSTRUCTION, AND MATERIALS: SPECIFICATIONS AND APPROVAL","PART 164—MATERIALS","Subpart 164.007—Structural Insulations"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-46.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:22Z","sha256":"470ed43ebc40d85bffeb0b2bf1caad52b8a91c4b65357dc19212d96067ad456f","source_id":"us-cfr","stale":true,"prev":"us/46-cfr-164.007-4","next":"us/46-cfr-164.007-6"},"notice":"GroundRules: Original legal text. Not legal advice."}