Sentences with phrase «as pentane»
Oils such as pentane have a low surface tension — 15mN / m — so they sag under gravity and tend to form a flat pool rather than a spherical droplet, meeting the surface at a low angle.
https://www.newscientist.com/
Bosch, one of the world's leading manufacturers of refrigerators, has decided to abandon HFCs, the chemicals industry's preferred substitutes for ozone - destroying CFCs, opting instead for chemicals such as pentane and isobutane.
Environmental campaigners argue that simple hydrocarbons such as pentane and butane should replace CFCs in fridges.
The researchers then dissolve the beads with a second solvent, such as pentane.
The most common blowing agents today are volatile organic compounds (VOCs) such as pentane.
Not exact matches
Pros: least expensive rigid foam, uses pentane rather than CFCs as blowing agents so less ozone depletion, lightweight, uses 1/7 of petroleum based products than XPS.
Pentane is generally used as a solvent and only rarely as a fuel because it is a colorless liquid at room temperature which can be easily evaporated away.