| http://www.w3.org/ns/prov#value | - Component A.-(Polyethers) Polyethers derived, for example, by polymerizing an oxide (or epoxide, as they are often termed) with a polyhydric alcohol such as ethylene glycol, propylene glycol, trimethylene glycol, glycerol, pentaerythritol, sorbitol, trimethylolpropane, etc.
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