45° Cargo / Baggage Panel The 45° Panel test evaluates the resistance of materials to flame penetration, flame propagation, and glow propagation when exposed to an open flame for 30 seconds at a 45° angle to show compliance with requirements of 14 CFR §§ 23.853, 25.853, 29.853, 23.855, 25.855, & 29.855.Materials that require 45° Panel Second Vertical Testing: Cargo compartment linersWaste Stowage liners Please contact one of our flammability specialists to request testing or if you have any questions. 2.5 & 4.0 IPM Horizontal 12 & 60 Sec. Vertical 60° Wire / Cable Insulation Request Information Request Testing