Building materials flame tester

The Building Materials Flame Tester is used for evaluating the combustion performance of construction materials and exterior insulation system materials under controlled flame exposure conditions. The instrument integrates touch-button operation, high-voltage electronic ignition, and servo motor control to ensure stable flame application and repeatable test results. It is suitable for laboratory testing of flame spread and combustion behavior of building materials.
Application
The instrument is suitable for combustion performance testing of building and insulation materials, including:
Exterior wall insulation materials
Building decorative materials
Thermal insulation boards and panels
Polymer-based construction materials
Other construction materials requiring flame performance evaluation
Standards
GB 8626-2007 — Test Method for Combustion Performance of Building Materials
ISO 11925-2:2002 — Reaction to Fire Tests for Building Products — Ignitability of Products Subjected to Direct Impingement of Flame
GB/T 10801.2-2002 — Rigid Polyurethane Foam Plastics for Thermal Insulation — Part 2: Products for Building Applications
Parameters
| Parameter | Specification |
|---|---|
| Nozzle Diameter | Ø 0.17 mm |
| Flame Height | (20 ± 1) mm |
| Ignition Time | 15 s / 30 s |
| Gas Type | Propane gas, purity ≥ 95% |
| Sample Size | 250 mm × 90 mm; 250 mm × 180 mm |
| Maximum Specimen Thickness | ≤ 60 mm |
| Flue Airflow Velocity | 0.7 m/s |
| Anemometer Accuracy | ± 0.1 m/s |
| Ambient Temperature | (23 ± 5) °C |
| Ambient Humidity | (50 ± 20) % RH |
| Power Supply | AC 220 V ± 10%, 50 Hz |
| Overall Dimensions | 400 mm × 700 mm × 810 mm |
Features
(1) Test chamber manufactured from mirror-finished stainless steel, providing resistance to smoke corrosion, aging, and long-term thermal exposure.
(2) Dual U-shaped stainless steel specimen holders with a thickness of 5.0 mm ensure stable and standardized specimen positioning.
(3) Burner installed at a 45° angle relative to the horizontal plane, in accordance with standard flame exposure conditions.
(4) Equipped with a burner flame height measurement scale, allowing precise and convenient flame adjustment.
(5) Touch-button operation combined with servo motor control enables automatic ignition, positioning, and reset.
(6) Stable airflow control with defined flue air velocity ensures consistent combustion conditions.
Accessories
Stainless steel specimen holding frames
Propane gas connection components
Flame height measurement scale
Integrated electronic ignition system
Airflow measurement device
Test Procedures
(1) Prepare test specimens according to the specified dimensions and thickness requirements.
(2) Install the specimen securely into the U-shaped stainless steel holding frame.
(3) Set the flame height and ignition time using the touch-button control interface.
(4) Ignite the burner using the electronic ignition system and expose the specimen to the flame at the specified angle.
(5) Maintain the flame exposure for the preset duration while observing combustion behavior.
(6) After completion, automatically reset the burner position and allow the specimen to cool.
(7) Record and evaluate the combustion performance in accordance with the applicable test standard.
Maintenance Information
Regularly clean the combustion chamber to remove soot and residue.
Inspect the burner nozzle for blockage and wear.
Verify airflow velocity and anemometer accuracy periodically.
Ensure gas supply purity and secure gas connections before testing.
Disconnect power and gas supply when the instrument is not in use.
FAQ
(1) What is this product?
It is a laboratory flame testing instrument used to evaluate the combustion performance of building and insulation materials.
(2) What is this product used for?
It is used to assess flame exposure behavior and combustion characteristics of construction materials under controlled conditions.
(3) Why is this product important?
It provides standardized and repeatable combustion performance data for material evaluation, certification, and quality control.
(4) What industries is this product suitable for?
Construction materials manufacturing, insulation material production, research institutes, universities, and quality testing laboratories.
(5) What types of this product are available?
The standard configuration includes a stainless steel combustion chamber with electronic ignition and servo-controlled flame application system.
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