ISO 11925-3:1997
Reaction to fire tests -- Ignitability of building products subjected to direct impingement of flame -- Part 3: Multi-source test
https://www.iso.org/standard/21805.html

Introduce other types of flames.
Simulate fire sources in all types of life; two types of fire sources, diffused (more natural) and premixed fires
Gas source, propane, Note: The flow meter should

BS EN ISO 11925-2:2010
Reaction to fire tests -- Ignitability of products subjected to direct impingement of flame -- Part 2: Single-flame source test
https://shop.bsigroup.com/ProductDetail/?pid=000000000030171921

Bunsen burners are common fire test instruments, such as UL94, which typically use methane as a gas and the flame is blue.
But blue is the subjective feeling of the human eye, and the color is related to the background and lighting.
Is there a more objective way to evaluate the color of the flame?

The photo below is:

01.mp4

The wire does not extend the test standard GB/T 18380, and the external standard IEC/EN 60332-1 series.

Examples of instrument types are as follows:

British FTT

Flame Propagation Test for a Single Insulated Cable
IEC/EN 60332-1

The FTT EN 60332-1 and IEC 60332-1 tests for the vertical flame propagation of a single insulated wire or cable is a bench scale test to determine the r