Explosion Proof Duct Heaters

Group	Chemical	Ignition Temperature
		Degrees C	Degrees F
C	Acetaldehyde Allyl alcohol Carbon monoxide Crotonaldehyde Dimethylamine Ethylene Hydrogen cyanide Hydrogen sulfide N-butyraldehyde	175 378 609 232 400 450 538 260 232	347 713 1128 450 752 842 1000 500 450
D	Acetone Ammonia Benzene Butane Butyl acetate Ethane Ethanol (ethyl alcohol) Gasoline (56-60) octane Gasoline (100 octane) Heptanes Hexanes Methane (natural gas) Methanol Methyl ethyl ketone Naphtha (petroleum) Octanes Pentanes Propane Propylene Styrene Toluene Vinyl acetate Vinyl chloride xylenes	465 498 498 288 421 472 363 280 456 204 225 537 385 404 288 206 243 450 455 490 480 402 472 464	869 928 928 550 790 882 685 536 853 399 437 999 725 759 550 403 470 842 851 914 896 756 882 867

Group

Chemical

Ignition Temperature

Degrees C

Degrees F

Acetaldehyde
Allyl alcohol
Carbon monoxide
Crotonaldehyde
Dimethylamine
Ethylene
Hydrogen cyanide
Hydrogen sulfide
N-butyraldehyde

175
378
609
232
400
450
538
260
232

347
713
1128
450
752
842
1000
500
450

Acetone
Ammonia
Benzene
Butane
Butyl acetate
Ethane
Ethanol (ethyl alcohol)
Gasoline (56-60) octane
Gasoline (100 octane)
Heptanes
Hexanes
Methane (natural gas)
Methanol
Methyl ethyl ketone
Naphtha (petroleum)
Octanes
Pentanes
Propane
Propylene
Styrene
Toluene
Vinyl acetate
Vinyl chloride
xylenes

465
498
498
288
421
472
363
280
456
204
225
537
385
404
288
206
243
450
455
490
480
402
472
464

869
928
928
550
790
882
685
536
853
399
437
999
725
759
550
403
470
842
851
914
896
756
882
867

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Explosion Proof Duct Heaters

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