Bed Blanket Flammability Tester 
This machine is suitable for testing the flame retardant properties of bed blanket fabrics and the flame spread properties on the fabric surface.
Principle:
In the specified device, place the treated sample horizontally, place a paper piece with a central circular hole on the surface, use the prescribed preane ignition source to ignite and burn the surface of the circular core felt on the paper piece, and burn the paper piece through the edge of the circular hole. coke, carbonization or discoloration to determine whether the blanket has ignited.
Test standards:
This tester is made in accordance with the requirements of ASTM D4151.

Technical parameters:
Test box: 37cmX22cmX35cm, 12 ventilation holes with a diameter of 12.7mm on the top
Specimen Holder:  Horizontal
Specimen holder:  inner hole 2.5′(63.5mm)
Ignition position: Center of inner hole of sample holder
Specimen size: 70mmx70mm
Flame length: 16mm
Ignition time: 1s
Volume (WxDxH): 42x26x52cm
Weight (approx.) : about 20Kg
Power supply: 1∮ AC 220V 50Hz 3A