The main purpose
This standard specifies the test method for the surface burning performance of carpet when exposed to a small fire source in a horizontal position under the controlled conditions of the laboratory. It is suitable for carpets with various structures and fiber components.
principle
Under the specified test conditions, the horizontal position of the sample is exposed to the action of a small fire source, namely hexamethylenetetramine tablets, and the damage length and flame spread time after the test are measured.
Technical index
1. Test chamber: internal dimensions 300mm×300mm×300mm;
2. Square metal plate: 230mm×230mm×6.5mm, with a round hole with a diameter of 205mm in the middle;
3. Steel ruler: the graduation value is 1mm;
4. Sample size: length 230mm×width 230mm; 8 pieces;
Applicable standards
GB/T 11049-2008 Carpet burning performance Greenhouse tablet test method