JPS5434322A - Dry process for making noncombustible sheet material using bulky calcium sulfate dihydrate needle crystal - Google Patents

Dry process for making noncombustible sheet material using bulky calcium sulfate dihydrate needle crystal

Info

Publication number
JPS5434322A
JPS5434322A JP10125077A JP10125077A JPS5434322A JP S5434322 A JPS5434322 A JP S5434322A JP 10125077 A JP10125077 A JP 10125077A JP 10125077 A JP10125077 A JP 10125077A JP S5434322 A JPS5434322 A JP S5434322A
Authority
JP
Japan
Prior art keywords
making
sheet material
calcium sulfate
dry process
sulfate dihydrate
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.)
Pending
Application number
JP10125077A
Other languages
Japanese (ja)
Inventor
Nobumasa Ishida
Yasuo Yamada
Hideki Jinno
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.)
Nippon Hardboard Co Ltd
Original Assignee
Nippon Hardboard Co Ltd
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 Nippon Hardboard Co Ltd filed Critical Nippon Hardboard Co Ltd
Priority to JP10125077A priority Critical patent/JPS5434322A/en
Publication of JPS5434322A publication Critical patent/JPS5434322A/en
Pending 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
    • C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B14/38—Fibrous materials; Whiskers

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Civil Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Porous Artificial Stone Or Porous Ceramic Products (AREA)
JP10125077A 1977-08-24 1977-08-24 Dry process for making noncombustible sheet material using bulky calcium sulfate dihydrate needle crystal Pending JPS5434322A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10125077A JPS5434322A (en) 1977-08-24 1977-08-24 Dry process for making noncombustible sheet material using bulky calcium sulfate dihydrate needle crystal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10125077A JPS5434322A (en) 1977-08-24 1977-08-24 Dry process for making noncombustible sheet material using bulky calcium sulfate dihydrate needle crystal

Publications (1)

Publication Number Publication Date
JPS5434322A true JPS5434322A (en) 1979-03-13

Family

ID=14295655

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10125077A Pending JPS5434322A (en) 1977-08-24 1977-08-24 Dry process for making noncombustible sheet material using bulky calcium sulfate dihydrate needle crystal

Country Status (1)

Country Link
JP (1) JPS5434322A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5650151A (en) * 1979-10-01 1981-05-07 Idemitsu Kosan Co Sound absorbing gypsum formed body
JPS5654262A (en) * 1979-10-03 1981-05-14 Idemitsu Kosan Co Lightweight gypsum formed body
JPS59103274U (en) * 1982-12-27 1984-07-11 シャープ株式会社 Tape speed detection device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5650151A (en) * 1979-10-01 1981-05-07 Idemitsu Kosan Co Sound absorbing gypsum formed body
JPS5654262A (en) * 1979-10-03 1981-05-14 Idemitsu Kosan Co Lightweight gypsum formed body
JPS59103274U (en) * 1982-12-27 1984-07-11 シャープ株式会社 Tape speed detection device

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