Flame Propagation Tester for Fire-Retardant Materials
The Flame Propagation Tester for Fire-Retardant Materials is designed to evaluate the combustion performance of wood treated with fire-retardant agents under controlled burning conditions. It meets the technical specifications and requirements of GB/T 17658-1999. The instrument is widely used to assess the effectiveness of fire-retardant treatments for wood and other combustible materials.
Applications
This tester is suitable for:
(1) Fire performance testing of fire-retardant treated wood in construction and furniture applications.
(2) Evaluating flame propagation for wood panels, particle boards, and laminated timber.
(3) Quality control in fire-retardant treatment processes.
(4) Material development and research for flame-retardant coatings.
(5) Compliance testing for building materials requiring fire safety certification.
Standards
(1) GB/T 17658-1999: Test methods for flame propagation of fire-retardant treated wood.
(2) ISO 11925-2: Reaction to fire tests – Ignitability of building products subjected to direct impingement of flame.
(3) EN 13823: Reaction to fire tests for building products – Building products excluding floorings exposed to the single burning item.
(4) ASTM E69: Standard test method for flame spread of woods treated with fire retardant chemicals.
Technical Parameters
| Parameter | Specification |
|---|---|
| Ambient temperature | Room temperature – 35 °C |
| Power supply | AC 220 V |
| Gas source | Air, natural gas, or LPG (customer-supplied) |
| Timing accuracy | 0.1 s |
| Heating elements | 4 × 500 W electric heating tubes |
| Total power | 2.5 kW |
| Sample holder dimensions | Outer: 265 × 265 mm; Inner: 225 × 225 mm; corner holes: 8 mm |
| Combustion chamber | Stainless steel with 1 cm thick calcium silicate lining |
| Air inlet | 95 × 25 mm |
| Observation window | 50 × 50 mm |
| Chimney | Length 190 mm, inner diameter 38 mm, wall thickness 1 mm; cap: 152 mm height, inner diameter 76 mm |
| Thermocouples | 2 × NiCr/NiAl |
| Gas flow meter | 0–2 L/min, accuracy ±0.08 L/min |
| Air flow meter | 0–10 L/min, accuracy ±0.1 L/min |
| Pressure regulator | 0–0.4 MPa |
| Voltage meter | 0–25 kW, accuracy ±0.1 kW |
| Transformer | 0–250 V |
| Equipment weight | 25 kg |
| Dimensions (L×W×H) | 0.3 × 0.25 × 0.45 m |
Product Advantages
(1) PLC + touch-screen intelligent control system for fully automated testing and data management.
(2) Automatic ignition and timing ensure consistent and safe operation.
(3) Data is automatically recorded, stored, and can be freely printed; equipped with a built-in printer.
(4) Stainless steel combustion chamber and calcium silicate lining provide excellent durability and corrosion resistance.
(5) Integrated air and gas flow meters, thermocouples, and heating elements allow precise control and reproducibility of tests.
FAQ
(1) What is this product?
A flame propagation tester for assessing the combustion performance of fire-retardant treated wood.
(2) What is it used for?
It evaluates flame spread and fire behavior of wood under controlled ignition conditions.
(3) What types of this product exist?
Variants may differ in chamber size, heating element configuration, and automation level (manual or PLC-controlled).
(4) What industry problems can it solve?
Ensures compliance with fire safety standards, evaluates fire-retardant treatment effectiveness, and supports quality control for construction and furniture materials.
(5) How is it operated?
The treated wood sample is placed in the combustion chamber, heating elements and gas sources are controlled via the PLC touchscreen, and flame propagation and other combustion parameters are measured and recorded automatically.
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