When.com Web Search

  1. Ads

    related to: gypsum powder where to buy

Search results

  1. Results From The WOW.Com Content Network
  2. Gypsum - Wikipedia

    en.wikipedia.org/wiki/Gypsum

    Gypsum is a soft sulfate mineral composed of calcium sulfate dihydrate, with the chemical formula CaSO 4 ·2H 2 O. [4] It is widely mined and is used as a fertilizer and as the main constituent in many forms of plaster , drywall and blackboard or sidewalk chalk .

  3. USG Corporation - Wikipedia

    en.wikipedia.org/wiki/USG_Corporation

    USG has a large gypsum plant located 17 miles (27 km) west of El Centro, California, along highway Interstate 8, at Plaster City. [25] The Plaster City location makes Sheetrock brand gypsum panels. The gypsum is mined from a quarry located 20 miles (32 km) to the north, in the Fish Creek Mountains of Imperial County. The quarry is estimated to ...

  4. Joint compound - Wikipedia

    en.wikipedia.org/wiki/Joint_compound

    Kitchen renovation spackling to cover holes and tape between sheetrock boards Drywall with joint compound applied.. Joint compound (also known as drywall compound, drywall mud, joint cement or mastic) is a white powder of primarily gypsum dust mixed with water to form a paste the consistency of cake frosting, which is spread onto drywall and sanded when dry to create a seamless base for paint ...

  5. Portland cement - Wikipedia

    en.wikipedia.org/wiki/Portland_cement

    It is a fine powder, produced by heating limestone and clay minerals in a kiln to form clinker, and then grinding the clinker with the addition of several percent (often around 5%) gypsum. Several types of portland cement are available.

  6. Here’s what will get more expensive from Trump’s tariffs on ...

    www.aol.com/more-expensive-trump-tariffs-mexico...

    And it’s not just lumber at risk for tariffs: 71% of the imported $456 million of lime and gypsum (which are used for drywall) came from Mexico in 2023, according to the National Association of ...

  7. Calcium sulfate - Wikipedia

    en.wikipedia.org/wiki/Calcium_sulfate

    With judicious heating, gypsum converts to the partially dehydrated mineral called bassanite or plaster of Paris. This material has the formula CaSO 4 ·( n H 2 O), where 0.5 ≤ n ≤ 0.8. [ 8 ] Temperatures between 100 and 150 °C (212–302 °F) are required to drive off the water within its structure.