Fire Retardant Coatings Tester – Tunnel Method
Category：Flammability Tester
Introduction
The fire retardant coating flame propagation tester is suitable for testing the flame propagation characteristics of the fire retardant coating on the surface of the substrate under laboratory conditions, and evaluating the protection effect of the fire retardant coating on the substrate and its flame propagation performance.
Application
This method is suitable for testing the flame spread characteristics of fire-retardant coatings applied to substrate surfaces under laboratory conditions, and for evaluating the protective effect of the fire-retardant coating on the substrate and the quality of its flame spread performance.
Standards
GB/T12441-2005: Finishing fire retardant paint
GB12441-2018: Finishing fire resistant coating
Technical parameters
| Item | Description |
|---|---|
| Burner Top Diameter | 20mm |
| Burner Height | Approximately 200mm |
| Burner Blue Flame Temperature | (900±20)°C |
| Combustible Gas Source | Natural gas, liquefied petroleum gas, or city gas |
| Thermocouple | Armored thermocouple with precision of work grade, K type, outer diameter not greater than 3mm |
| Electronic Potentiometer | Error less than ±0.5% of the measured temperature |
| Ignition System | High voltage electronic ignition system |
Feature
Small Chamber Method:
1. The test device is made of bent stainless steel plates, featuring a beautiful design, smooth lines, and resistance to smoke, corrosion, and aging, ensuring durability.
2. The burner in this test device has undergone standard testing and meets national standards.
3. The specimen installation position is strictly manufactured according to the structure specified in the standard, making installation convenient and easy to adjust.
Large Panel Method:
1. The electrical box of the test device is made of bent stainless steel plates, featuring a beautiful design, smooth lines, and resistance to smoke, corrosion, and aging, ensuring durability.
2. The burner in this test device has undergone rigorous standard testing and meets national standards.
3. The specimen installation position is strictly manufactured according to the structure specified in the standard, making installation convenient and easy to adjust.
4. Touch-sensitive button design, capable of automatically recording temperature, and automatically starting and ending the test.
5. Control system: The control core adopts an imported Omron PLC and integrated temperature expansion module design, which effectively reduces interference and improves equipment stability.
Tunnel Method:
1. The electrical box of the test device is made of bent stainless steel plates, featuring a beautiful design, smooth lines, and resistance to smoke, corrosion, and aging, ensuring durability. The tunnel furnace is welded from a metal steel frame, resulting in a sturdy structure and convenient use.
2. The burner in this test device has undergone standard testing and meets national standards.
3. The specimen installation position is strictly manufactured according to the structure specified in the standard, making installation convenient and easy to adjust.
4. Touch-sensitive button design, capable of automatic temperature control and automatic cyclic timing alarm.
5. There is an observation window with scale markings made of quartz glass or high-silica glass on the lower side of the test plate support, allowing for real-time observation of the experiment progress.
Working conditions
Ambient temperature: 5——35℃
Relative humidity: not more than 85%
Working environment: indoor without forced ventilation
Power supply :AC200——240V, 50HZ
FAQ
1. What is this product?
It is a tester for evaluating the flame propagation characteristics and protective effect of fire-retardant coatings on substrates.
2. What is this product used for?
To measure flame spread and assess the protective performance of coatings in laboratory conditions.
3. What is the working principle of this product?
A controlled flame is applied to the coated substrate in a tunnel furnace, while sensors monitor temperature and flame propagation. Results are recorded and analyzed to evaluate coating performance.
4. Why is this product important?
It ensures that fire-retardant coatings provide reliable protection for substrates, meeting safety and regulatory standards.
5. What industries is this product suitable for?
Construction, decorative coatings, material research, fire safety laboratories, and quality control departments.
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