Effect of Particle Size of Additives on the Flammability and Mechanical Properties of Intumescent Flame Retarded Polypropylene Compounds

Table 2

Summary of the mass loss calorimetric test results.

	TTI (s)	pkHRR (kW/m^2)	pkHRRtime (s)	tHR (MJ/m^2)	Residual mass (%)
PP/PER/APP	22	207	458	77.8	8.0
PP/mPER/APP	27	195	242	77.4	10.7
PP/PER/mAPP	24	165	508	67.7	11.0
PP/mPER/mAPP	21	174	441	65.2	13.7

TTI: time to ignition; pkHRR: peak of heat release rate; pkHRR_time: time of peak of heat release rate; tHR: total heat released.