Flame Spread Tester for Thermal and Acoustic Insulation Materials

The Flame Spread Tester for Thermal and Acoustic Insulation Materials is designed to evaluate the flame propagation characteristics of insulation and acoustic materials. You can expose samples to a standard thermal radiation source and ignite them with a controlled flame to determine their critical heat flux. This instrument is FAA-approved and compliant with international standards, providing accurate and repeatable measurements for aerospace, civil aviation, and material development applications.

Standards

This tester conforms to the following national and international standards:

GB/T 27904‑2011 — Test method for flame spread of interior decoration materials

GB/T 25207‑2010 — Classification of combustion performance of building decorative materials

GB 8624‑2012 — Classification of burning behavior of building materials and products

GB/T 16172‑2007 — Determination of heat release rate and total heat release of building materials and products (Cone Calorimeter Method)

BSS 7365 — UK aerospace standard for combustion and smoke density of aerospace composite and interior materials

AITM 2.0053 — European aerospace industry method for heat release rate and smoke evaluation

FAR Part 25 Appendix F Part VI — FAA regulatory requirement for flame propagation, smoke density, and toxicity in civil aircraft cabin materials

Parameters

Parameter	Specification
Dimensions	1220 × 570 × 520 mm; 1200 × 1150 × 1350 mm; 800 × 800 × 400 mm
Weight	185 kg
Thermal Radiation Source	400 VAC, 3-phase electric heating plate, PID control, ±0.1°C accuracy
Radiation Strip Width	76 mm, six strips, operational up to 704°C
Sample Angle	30° relative to horizontal plane
Ignition System	Axially symmetric propane burner, 0.15 mm nozzle
Burner Height	Flame at least 51 mm above sample plane
Flame Spread Measurement	Laser pointer for accurate monitoring
Thermocouple Placement	Back wall 279 mm, right wall 292 mm, below radiation plate 51 mm, ±2°C accuracy
Heat Flux Range	≥60 kW/m², with self-circulating cooling water
Heat Flux Mounting	Steel plate 3.2 mm thick, with 3 × 25.4 mm insertion holes
Sample Holders	Standard and short versions (for hook-and-loop tests)
Data Acquisition	Computer and printer, automatic test timing ±0.1 s

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