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1. Acetylene initiates a polymerization reaction when the temperature is under 540°C and the pressure reaches 0.3MPa. 2. Acetylene experiences explosive decomposition at temperatures above 580°C and pressures over 0.5MPa. 3. The transition of acetylene from polymerization to explosive decomposition occurs at lower temperatures as the pressure increases.

A mixture of acetylene and oxygen, if it ignites and causes a standard gas cylinder to explode, results in certain fatality within a ten-meter radius. Apart from the risk of being hit by cylinder shrapnel, the immediate negative pressure and the blast wave from the explosion are powerful enough to…

Acetylene's explosion limits are between 2.5% and 80%, indicating that explosions can happen when its concentration in the air is within these bounds. Beyond this threshold, ignition will not lead to an explosion. In detail, acetylene concentrations over 80% or under 2.5% will not result in an explosion, even with…

Acetylene is classified with an explosion-proof rating of Exd IIC T6.

As per our country's national standards, there are eight distinct explosion-proof categories: flameproof "d", increased safety "e", intrinsic safety "I", pressurized "p", oil-immersed "o", sand-filled "q", non-sparking "n", and special "S" type. [table id=164 /] In the realm of instrumentation, the predominant types employed are flameproof "d" and intrinsic safety…