GB387243A - Process for making silica stone material - Google Patents

Process for making silica stone material

Info

Publication number
GB387243A
GB387243A GB20648/32A GB2064832A GB387243A GB 387243 A GB387243 A GB 387243A GB 20648/32 A GB20648/32 A GB 20648/32A GB 2064832 A GB2064832 A GB 2064832A GB 387243 A GB387243 A GB 387243A
Authority
GB
United Kingdom
Prior art keywords
flux
stone material
oxide
silica
tridymite
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
GB20648/32A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB387243A publication Critical patent/GB387243A/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
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/14—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on silica

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Oxide Ceramics (AREA)

Abstract

The process described in the parent Specification for conversion of a silica mass into tridymite by the use of a flux comprising silica, calcium oxide, an alkali oxide and a heavy metal oxide, is modified in that by adjusting the temperature of burning and/or the flux content, any desired degree of conversion is attained, from the production of ordinary silica stone material up to tridymite stone material. The firing may be carried out at higher temperatures when very little flux is present. To avoid migration of the flux to the surface of the moulded article during preliminary drying, the flux constituents may be added in an insoluble form, e.g. as a frit of soda, ferrous oxide and silicic acid with, is desired, lime.
GB20648/32A 1931-07-21 1932-07-21 Process for making silica stone material Expired GB387243A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE387243X 1931-07-21

Publications (1)

Publication Number Publication Date
GB387243A true GB387243A (en) 1933-02-02

Family

ID=6371100

Family Applications (1)

Application Number Title Priority Date Filing Date
GB20648/32A Expired GB387243A (en) 1931-07-21 1932-07-21 Process for making silica stone material

Country Status (1)

Country Link
GB (1) GB387243A (en)

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