Our BS 476-7 Surface Flame Spread Tester complies with BS 476-7:1997 standards to evaluate flame spread characteristics of building materials including wall and ceiling linings, coatings, and composite panels. Featuring an 850 mm × 850 mm radiant panel delivering up to 80 kW/m², precise water-cooled sample holders, and PLC-controlled system with real-time heat flux monitoring, this equipment ensures accurate Class 1 to Class 4 classification testing.

BS 476-7: Fire tests on building materials and structures - Method of test to determine the classification of the surface spread of flame of products.

• Single materials: paint, wallpaper, panels, boards
• Composite materials: laminates, sandwich panels
• Components: decorative linings, cladding systems
• Interior wall and ceiling linings: gypsum board, fiberboard, wood, PVC panels, metal cladding
• Surface coatings: paint, fire retardant coatings, decorative coatings
• Decorative materials: wallpaper, textile coverings, films
• Composite structures with insulation materials and finishing layers

• Stainless steel frame structure for corrosion resistance
• Electronic ignition with automatic flameout safety monitoring
• Sample size: 885mm x 270mm
• Radiant panel dimensions: 850mm x 850mm
• Radiant panel height: 1250mm from ground
• Gas flow rate: 1500 ± 200ml/min
• Cooling water flow rate: 12L/min
• Water temperature at fixture exit: ≤35°C
• Computer-controlled data processing and test reporting

• Independent electrical control cabinet
• Computer + Labview intelligent control system
• Imported gas flow meter for precise control
• Automatic radiation dose calibration and control
• Automatic data saving and printing capabilities
• Brand computer included