Ethylene · NEC 500 (North America) · 450

For Ethylene, classification system is NEC 500 (North America); ignition temperature (c) is 450; apparatus / gas group is C; ignition temperature (f) is 842, recorded from its source on 2026-08-06; source re-checked 2026-10-05.

Values marked our reading are our classification of what the source says — the source does not print them in those words. The quote below is the evidence for each one; judge it yourself.

What the source says

Apparatus / gas group

The source prints this value inside the passage below but does not name it there. The passage shows where it appears; what ties it to this record is the position on the page, not anything the passage says.

Ethylene | C | 450 | 842 | 1,200 PSI | IIB

— ldpi-inc.com, retrieved 2026-08-06

Source

• ldpi-inc.comhttps://ldpi-inc.com/resources/classification-codes/class-1-locations/

Last verified against source: 2026-10-05. Due for re-check by 2028-10-04. This page as Markdown · OKF bundle · full dataset as JSON.