WebJul 31, 2024 · On exposure, the samples X, Y, and Z were qualified to be Class 0 materials due to the indexes of fire propagation being below 12. Samples Y and Z reinforced with 3.50 wt.% and 2.50 wt.% of ES bio ... WebB Class 0* C Class 1** D Class 3 ** E & F *Class 0 products are: a) Composed throughout of materials of limited combustibility or b) Products with Class 1 performance for surface spread of flame when tested in accordance with BS 476-7 which, when tested in accordance with BS 476-6, also have a fire propagation index (I) of not more than 12
Fire Properties of Polyvinyl Chloride - The Vinyl Institute
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Standard Test Methods for Measurement of Material Flammability …
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