Temperature of sample |
23±2°C |
Relative humidity |
50±5℅ |
Size of sample |
Length and width of sample all are 75±0.5mm, thickness is 1±0.2mm, thickness of foam and plastic is 8±0.5mm |
Irradiance level of furnace |
Surface of sample is 2.5±0.05W/cm² |
Distance between the furnace and sample surface |
38mm |
Burning gas |
Propane gas and the purity is ≥95 |
Measurement of chamber |
L1110mm * W750mm * H2040mm |
Smoke box size |
L914mm * W610mm * H914mm |
Diameter of light beam |
Approx. 38mm |
Test range |
1) Optical transparence is 100%-0.00001%2) Smoke density grade is 0-924 for 6 shelves, automatic transmission |
Test mode |
Non-flaming mode and flaming mode |
Accuracy of photometer |
±3% |
Exchange shelves accuracy |
±7 for smoke density value |
Power supply |
3-phase is 380±10%V/AC, 50Hz |
A smoke density chamber test is a laboratory test that measures the smoke density of a material when it is burned. It is often used to evaluate the performance of materials in fire situations, as well as to test the effectiveness of fire retardant treatments.