Page 130 - Electrical Installation in Hazardous Area

Table 4.1 (continued)

1 2 3 4 5 6 7 8 9 10 11 12 13 14

Flammable Formula Melting Boiling Relative Flash Flammable limits Ignition Minimum T classof Apparatus
materials point point vapour point tempera- igniting suitable group
density current apparatus
LFL UFL LFL UFL

"C "C "C Val.% Val.% mg/L mg/L "C mA
Propane -188 -42 1.56 - 2.0 9.5 39 180 470 70 T1 IIA
propanethiol - - - - - - - - - - t w
(propyl mercaptan)
propan-1-01 -126 97 2.07 15 2.15 13.5 50 340 405 - T 2 w
(propyl alcohol)
propan-2-01 -86 83 2.07 12 2.0 12 - - 425 - T 2 IIA
(isopropyl alcohol)
Propene -185 -48 1.5 - 2.0 11.7 35 210 (455) - (TI) IIA
-
-
propylacetate - - 14 - - - - - t IIA
prOpy1-e -101 32 2.04 < -20 2.0 10.4 49 260 (320) - (W IIA
pyridine -42 115 2.73 17 1.8 12.0 56 350 550 - TI IIA
pqmene -70 177 4.62 47 0.7 5.6 - - 435 - T2 IIA
styrene -31 145 3.6 30 1.1 8.0 45 350 490 - T1 IIA
tetrafhoroethylene - - - - - - - - - - t w
tetrahydrofuran -108 64 2.49 -17 2.0 11.8 46 360 224 - T3 w
tetrahydrofurfuryl - 178 3.52 70 1.5 9.7 60 410 280 - T3 w
alcohol