Research Article

Effects of Size of Zinc Borate on the Flame Retardant Properties of Intumescent Coatings

Table 2

Results of a calorimeter test.

SampleTTI (s)pkHRR (KW·m-2)THR (MJ·m-2·k-1)pkSPR (m2·s-1)TSP (m2·m-2)CO concentration (%)Mass loss (%)

Control IFR65747.6093310.070.02122.83540.0205332.3293
ZBS2%120014.1371895.10.022.13880.006726.4
ZBS4%120012.0433364.7540.021164.872540.00828.3
ZBS6%72087.219376.27750.025655.267610.0233.9
ZBS8%502155.417429.77530.025835.928070.02433.1
ZBS10%658157.080442.57550.039032.901550.023531.5
ZBS12%52587.8561618.57640.024035.779730.023530.6
ZBM2%12007.311623.48780.00570.651560.005527.2
ZBM4%12007.600363.50780.008311.413650.005630.7
ZBM6%12007.786132.86090.008731.581420.005837.8
ZBM8%12009.231442.863980.008791.434650.00633.3
ZBM10%12008.447293.51630.008721.204180.006731.6
ZBM12%120013.351138.40560.008431.319090.007332.6
ZBL2%623113.258829.30900.006961.777870.021435.8
ZBL4%733119.457623.50790.009041.963730.020637.9
ZBL6%605200.474123.56260.008651.455790.0239726.4
ZBL8%560114.791227.08620.007721.832810.028328.4
ZBL10%642103.152427.87720.011590.937480.0243829.4
ZBL12%55029.776719.51770.008480.8557940.0331.1