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.

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

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

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

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