0 to release gases and water in the form of gas from hot, liquid rock into the air
1 to release gases and water in the form of gas from hot liquid rock into the air
However, it does not outgas, it is very stable, and it can be used on a large variety of benign and beneficial materials.
Even materials which are not generally considered absorbent can outgas, including most plastics and some metals.
These fumes may also come from phthalates and other plastic-softening chemicals (plasticizers) that evaporate (or outgas) over time.
Carbon dioxide and hydrogen may form from organic materials, moisture is outgassed by polymers and amine-cured epoxies outgas ammonia.
Care has to be taken while choosing the alloys, as some elements tend to outgas.
Normal copper is unsuitable for high vacuum as it is difficult to outgas completely.
Failed insulation will also typically outgas, which can lead to process contamination.
The fermentation of the silage produces methane gas which over time will outgas and displace the oxygen in the top of the silo.
