Subpart B. Subpart B—Brattice Cloth and Ventilation Tubing

• § 7.21 - Purpose and effective date.
• § 7.22 - Definitions.
• § 7.23 - Application requirements.
• § 7.24 - Technical requirements.
• § 7.25 - Critical characteristics.
• § 7.26 - Flame test apparatus.
• § 7.27 - Test for flame resistance of brattice cloth.
• § 7.28 - Test for flame resistance of rigid ventilation tubing.
• § 7.29 - Approval marking.
• § 7.30 - Post-approval product audit.
• § 7.31 - New technology.