Scope of application: It is applicable to the test method for determining whether building materials have flammability under specified conditions.
Compliant with standards In compliance with GB/T8626 "Test Methods for flammability of building Materials" and ISO 11925-2:2002 "Reaction to fire tests - Ignitability of building products subjected to direct impingement of flame -- Part 2: Single-flame source test
Main parameters
Complete set configuration: This testing machine consists of a control box, the combustion box body, a burner, an electromagnetic valve, a high-voltage igniter, signal control lines and a sample holder.
Power supply voltage: AC220V±10%, 50Hz;
Gas pressure: 10kpa to 50kpa;
Flue air flow velocity: Under the conditions of only igniting the burner and opening the exhaust hood, the flue flow velocity of the box is 0.7m/s. Measured by an anemometer, the accuracy is ±0.1m/s.
Flame release time: 0 to 99 minutes and 99 seconds can be set.
Burning duration: 0 to 99 minutes and 99 seconds can be set.
The accuracy of the timer: ≤1s/h;
The burner size is as follows: The burner is composed of a nozzle with a diameter of φ0.17mm and a regulating valve, and is equipped with four air intake holes of φ4mm.
The dimensions inside the combustion box are: 700mm wide x 400mm deep x 810mm high.
Material of the combustion box: Mirror-finish stainless steel. The bottom is a natural ventilation opening, which is composed of a square box body.
Open area: 25x25mm, height: 50mm;
Burner: 45° Angle, flame height: 20mm;
Gas: Commercial propane (provided by the customer);
Gas purity: Over 95%;
Sample holder: Composed of two U-shaped stainless steel frames, 15mm wide and 5.0mm thick;
Timer: 0-99.99S/M/H can be set;
Width 700× depth 400× height 810mm, 50kg