GB243015A - Improvements relating to the manufacture of plaster - Google Patents

Improvements relating to the manufacture of plaster

Info

Publication number
GB243015A
GB243015A GB28671/25A GB2867125A GB243015A GB 243015 A GB243015 A GB 243015A GB 28671/25 A GB28671/25 A GB 28671/25A GB 2867125 A GB2867125 A GB 2867125A GB 243015 A GB243015 A GB 243015A
Authority
GB
United Kingdom
Prior art keywords
plaster
manufacture
improvements relating
acquires
slow
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB28671/25A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Lambert Freres & Cie
Original Assignee
Lambert Freres & Cie
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Lambert Freres & Cie filed Critical Lambert Freres & Cie
Publication of GB243015A publication Critical patent/GB243015A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B11/00—Calcium sulfate cements
    • C04B11/05—Calcium sulfate cements obtaining anhydrite, e.g. Keene's cement
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B11/00—Calcium sulfate cements
    • C04B11/002—Mixtures of different CaSO4-modifications, e.g. plaster of Paris and anhydrite, used as cements

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)

Abstract

A slow-setting plaster is obtained by calcining gypsum at a temperature of 500-800 DEG C. until it is completely dehydrated and acquires a specific gravity of 2.7-2.8. It is used as an addition to ordinary plaster.
GB28671/25A 1924-11-13 1925-11-13 Improvements relating to the manufacture of plaster Expired GB243015A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR243015X 1924-11-13

Publications (1)

Publication Number Publication Date
GB243015A true GB243015A (en) 1926-11-25

Family

ID=8883441

Family Applications (1)

Application Number Title Priority Date Filing Date
GB28671/25A Expired GB243015A (en) 1924-11-13 1925-11-13 Improvements relating to the manufacture of plaster

Country Status (1)

Country Link
GB (1) GB243015A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3305375A (en) * 1963-07-09 1967-02-21 United States Gypsum Co Plaster composition

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3305375A (en) * 1963-07-09 1967-02-21 United States Gypsum Co Plaster composition

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