The test determines when ignition source on contact with powder layer will spread the fire or wouldundergo any change in nature without fire spreading.  Burning behavior Test KELVN International Safety Services Pvt LtdCynosure Enterprises Building,2nd floor,Plot No.3, Road No.12, TSIIC Tech Park,IDA Nacharam Hyderabad-500076,Ph: 9000237573, 8247799381Website: www.kelvn.inEmail: info@kelvn.in