Quantcast

Latest Drywall Stories

2011-09-19 07:00:00

The Chinese Drywall Complaint Center says, "On September 22nd Fox TV, and Google will sponsor a presidential debate for Republican hopefuls, including Governors Perry, Romney, former U.S.

2011-09-01 07:00:00

Americas Watchdog's Chinese Drywall Complaint Center is on the verge of dramatically expanding its initiatives related to all Chinese building products.


Latest Drywall Reference Libraries

28_1edea1726841016f6cad5f55677d5af7
2005-05-26 10:48:13

Gypsum is a very soft mineral composed of calcium sulfate dihydrate, with the chemical formula CaSO4·2H2O. Chemical structure Heating gypsum above approximately 150°C (302°F) partially dehydrates the mineral by driving off exactly 75% of the water contained in its chemical structure. CaSO4·2H2O + heat → CaSO4·½H2O + 1½H2O (steam) The partially dehydrated mineral is called calcium sulfate hemihydrate or calcined gypsum (commonly known as plaster of...

More Articles (1 articles) »
Word of the Day
swell-mobsman
  • A member of the swell-mob; a genteelly clad pickpocket. Sometimes mobsman.
Use of the word 'swell-mobsman' dates at least to the early 1800s.