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GB8625, DIN4102 "building materials and flame resistance test methods, determined under the conditions specified building materials whether flame resistance, and those who qualified after burning shaft furnace test through building materials flammability test material can be given for the flameconstruction materials.
A burning shaft furnace: from the combustion chamber, burner, specimen holder, air steady flow and flue components.
Gas sources: industrial methane purity> 95%;
Furnace wall temperature: room temperature to 100 ° C ± 1 ° C;
Furnace temperature: room temperature to 300 ° C ± 2 ° C;
Intake air temperature: 0 ~ 50 ± 0.5 ℃;
Pressure difference: 0 ~ 30Pa ± 1Pa;
Intake flow: 0 ~ 15m3/min ± 1m3/min;
Flowmeter Range: 0 ~ 45L/min ± 0.2L /;
Thermostat: (23 ± 2) ℃;
Constant Current: (10 +1) m3/min;
Dimensions: Length 1020x Wide 1020x high 3930mm;
Combustion chamber: from the furnace wall and door inner dimensions: length 800mmx wide 800mmx high 2000mm;
Burner: the nozzle diameter Ф3.5mm, OD Ф4.5mm. From the bottom of 1000mm;
Test stents: long the 380x width of 380x high 1000mm, Angle made;
Air steady flow: a block is provided at the bottom of the burner. Laying barbed wire at the bottom, on the laying of glass fiber mat;
Flue: a square, side length 500mm, located stove top;
Ambient temperature: 19 ~ 30 ℃;
Operating voltage: AC220V ± 10% 50Hz 3.5KVA.
