Best fire retardant coatings tester tunnel method
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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.
Feature
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
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 |
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
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