Licensed to About.com, Inc. Definition: Moleskine is a brand of notebook that comes in various formats, sizes, and papers. The covers are usually black leather (some special editions have silk, for instance, and diaries come in red) and there is an elastic band for keeping it closed.
3-3-4 Viscosity Stability of the aqueous solution The viscosity of PVA(Polyvinyl Alcohol) aqueous solution for fully hydrolyzed grades increases, according to storage time, and a gelation occurs.
Chlorinated polyvinyl chloride (CPVC) is a thermoplastic pipe and fitting material (produced by the post chlorination of polyvinyl resin) used for potable water distribution, corrosive fluid handling, and fire suppression.hlorinated polyvinyl chloride (CPVC) is a thermoplastic pipe and fitting material (produced by the post chlorination of polyvinyl resin) used for potable water distribution, corrosive fluid handling, and fire suppression.