Above main (main / main) in vacuum or oxygen-free atmosphere, diamond converts to graphite; in air, transformation starts at ~main. citation Diamond's ignition point is 720 – main in oxygen and 850 – main in air. Source: Internet
In the 1990s, it was found that PTFE could be radiation cross-linked above its melting point in an oxygen-free environment. citation Electron beam processing is one example of radiation processing. Source: Internet
It can also be used as a cooling agent in metal production and treatment (oxygen-free conditions). citation In the petroleum industry, kerosene is often used as a synthetic hydrocarbon for corrosion experiments to simulate crude oil in field conditions. Source: Internet
Scientific instruments can therefore utilize this spectral range by operating in an oxygen-free atmosphere (commonly pure nitrogen), without the need for costly vacuum chambers. Source: Internet
Pulverized woody biomass is blown into an oxygen-free chamber together with very hot sand. Source: Internet
The oxygen-free copper market is estimated at USD 14.82 Billion in 2016, and is projected to reach USD 18.35 Billion by 2021, at a CAGR of 4.4% from 2016 to 2021. Source: Internet