Cone Calorimeter Building Material Heat Release Rate Flammability Testing Machine Cone calorimeter is used to measure heat release rate of materials by oxygen consumption principle. Compliant with GB/T16172, ISO 5660, ASTM E1354 and other international fire test standards. Imported gas analyzer core components, high precision weighing system, automatic data acquisition, widely used for fire hazard assessment & flame retardant material research. Application & Testing