Carpet Flammability tester is used to test the effects of a small source of ignition on floorcoverings. Carpet flammability tester can be used for either Hot metal nut test (BS 4790) and Methenamine tablet test (ISO 6925, BS 6307 and GB/T 11049)
- Carpet burn tester Test methods (Hot metal nut method, BS 4790)
The stainless steel nut is heated to 900¡æ in a muffle furnace, place specimen on the bottom of the test chamber and the clamping ring is placed on the specimen, use crucible tongs to place the heated nut in the center of the ring, remove the nut in 30s and a measurement of spreading of the ignition on the sample is made to evaluate the flammability of carpet.
- Carpet Flammability tester Test methods (Methenamine tablet method, ISO 6925, BS 6307)
Place the conditioned specimen on the removable base inside the test chamber and the metal plate with a circular cut-out is placed on the specimen, the tablet is placed at the centre of the specimen and ignited. After the flame has extinguished, measurements are made to assess the effect on the carpet. |