GB1315822A - Powder fire extinguisher - Google Patents

Powder fire extinguisher

Info

Publication number
GB1315822A
GB1315822A GB1315822DA GB1315822A GB 1315822 A GB1315822 A GB 1315822A GB 1315822D A GB1315822D A GB 1315822DA GB 1315822 A GB1315822 A GB 1315822A
Authority
GB
United Kingdom
Prior art keywords
perlite
extinguishant
fire
addition
additive
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
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.)
UK Atomic Energy Authority
Original Assignee
UK Atomic Energy Authority
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 UK Atomic Energy Authority filed Critical UK Atomic Energy Authority
Publication of GB1315822A publication Critical patent/GB1315822A/en
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
    • A62D1/00—Fire-extinguishing compositions; Use of chemical substances in extinguishing fires
    • A62D1/0007—Solid extinguishing substances
    • A62D1/0014—Powders; Granules

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Fire-Extinguishing Compositions (AREA)
  • Fireproofing Substances (AREA)

Abstract

1315822 Perlite fire extinguishant UNITED KINGDOM ATOMIC ENERGY AUTHORITY 11 May 1970 [14 May 1969 16 Sept 1969] 38215/72 and 38216/72 Divided out of 1315821 Addition to 1205136 Heading A5A A dry powder fire extinguishant comprises the unexpanded or partially expanded perlite of Specification 1205136 and a solid, non- hygroscopic, non-toxic additive to assist in retaining the powder on a burning surface. The perlite is expanded by fire to a solid foam. The additive may be a cellulose derivative, resin or wax of MPt below 250‹C, an ammonium, potassium or sodium phosphate, mercury thiocyanate, or microcosmic salt (sodium ammonium hydrogen phosphate) or a mixture thereof, in an amount up to 25% by wt. of the extinguishant. In addition 1-2% hydrophobic silica or 1 % magnesium stearate as or anti-caking agent, and 1-5% magnesium carbonate as lubricant may be present.
GB1315822D 1969-05-14 1969-05-14 Powder fire extinguisher Expired GB1315822A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3821572 1969-05-14

Publications (1)

Publication Number Publication Date
GB1315822A true GB1315822A (en) 1973-05-02

Family

ID=10402015

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1315822D Expired GB1315822A (en) 1969-05-14 1969-05-14 Powder fire extinguisher

Country Status (1)

Country Link
GB (1) GB1315822A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4968441A (en) * 1987-09-07 1990-11-06 Glaverbel Fire control composition
WO1993014820A1 (en) * 1992-01-30 1993-08-05 Ljuberetskoe N Proizv Ob Fire extinguishing composition
GB2290962A (en) * 1994-07-04 1996-01-17 Ronald Albert Porter Fire extinguishing composition
CN113599759A (en) * 2021-08-07 2021-11-05 安徽科技学院 Perlite type dry powder extinguishing agent and preparation method thereof
CN116966469A (en) * 2023-07-28 2023-10-31 中国科学技术大学 Flow-enhanced high-efficiency superfine dry powder extinguishing agent and preparation method thereof

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4968441A (en) * 1987-09-07 1990-11-06 Glaverbel Fire control composition
US5061382A (en) * 1987-09-07 1991-10-29 Glaverbel Fire control compositions
WO1993014820A1 (en) * 1992-01-30 1993-08-05 Ljuberetskoe N Proizv Ob Fire extinguishing composition
GB2290962A (en) * 1994-07-04 1996-01-17 Ronald Albert Porter Fire extinguishing composition
GB2290962B (en) * 1994-07-04 1998-04-29 Ronald Albert Porter Fire extinguishing composition
CN113599759A (en) * 2021-08-07 2021-11-05 安徽科技学院 Perlite type dry powder extinguishing agent and preparation method thereof
CN116966469A (en) * 2023-07-28 2023-10-31 中国科学技术大学 Flow-enhanced high-efficiency superfine dry powder extinguishing agent and preparation method thereof

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee