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The degree of polymerization of polyvinyl acetate is typically 100 to 5000, while its ester groups are sensitive to base hydrolysis and slowly convert PVAc into polyvinyl alcohol and acetic acid.
Working quickly, a thin layer (usually one to three millimeters) of finish plaster is applied over a wall face before the plaster begins to congeal in the bucket. Over a period of a few hours, as the plaster chemically sets on the wall, it is periodically smoothed or textured using hand trowels, until the desired finish is achieved. When a wall ...
Price skimming. Price skimming is a price setting strategy that a firm can employ when launching a product or service for the first time. [1] By following this price skimming method and capturing the extra profit a firm is able to recoup its sunk costs quicker as well as profit off of a higher price in the market before new competition enters and lowers the market price. [1]
Click here for in-depth analysis of the latest stock market news and events moving stock prices Read the latest financial and business news from Yahoo Finance Show comments
Click here for in-depth analysis of the latest stock market news and events moving stock prices Read the latest financial and business news from Yahoo Finance Show comments
Drywall (also called plasterboard, dry lining, [1] wallboard, sheet rock, gib board, gypsum board, buster board, turtles board, slap board, custard board, gypsum panel and gyprock) is a panel made of calcium sulfate dihydrate , with or without additives, typically extruded between thick sheets of facer and backer paper, used in the construction ...
Bill Clinton “Hillary and I mourn the passing of President Jimmy Carter and give thanks for his long, good life,” Clinton, the country's 42nd president, said in a statement on Sunday.
Plaster spraying allows a plasterer to skim a drywall more than five times faster than using a hand float to apply it. Although classic gypsum-based plaster can be sprayed if it is "spray grade," most plaster sprayers prefer the organic-based pre-mixed plaster packaged in a plastic bag because the plaster spraying machine does not need to be cleaned out after the job is finished, providing ...