GB856836A - Improvements in or relating to fire extinguishing powders - Google Patents

Improvements in or relating to fire extinguishing powders

Info

Publication number
GB856836A
GB856836A GB569558A GB569558A GB856836A GB 856836 A GB856836 A GB 856836A GB 569558 A GB569558 A GB 569558A GB 569558 A GB569558 A GB 569558A GB 856836 A GB856836 A GB 856836A
Authority
GB
United Kingdom
Prior art keywords
mesh
passing
bicarbonate
weight
relating
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
GB569558A
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.)
FOAMITE Ltd
JOHN DEE SHAPLAND
Original Assignee
FOAMITE Ltd
JOHN DEE SHAPLAND
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 FOAMITE Ltd, JOHN DEE SHAPLAND filed Critical FOAMITE Ltd
Priority to GB569558A priority Critical patent/GB856836A/en
Publication of GB856836A publication Critical patent/GB856836A/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)

Abstract

A dry fire-extinguishing powder consists predominantly of sodium bicarbonate capable of passing 200 mesh and up to 10% by weight thereof of an organic wax which is a synthetic condensation product having a molecular weight of about 650 and which is capable of passing 400 mesh. The organic wax preferably has the composition 78.75% carbon; 11.78% hydrogen; 5.0% oxygen and 4.47% nitrogen. The powder may also include 0.5-4.5% by weight of the bicarbonate of silica aerogel or calcium phosphate capable of passing 200 mesh, in which event adhesion of the wax to the bicarbonate is enhanced by milling these substances together before addition of the silica or calcium phosphate to the mixture.
GB569558A 1958-02-21 1958-02-21 Improvements in or relating to fire extinguishing powders Expired GB856836A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB569558A GB856836A (en) 1958-02-21 1958-02-21 Improvements in or relating to fire extinguishing powders

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB569558A GB856836A (en) 1958-02-21 1958-02-21 Improvements in or relating to fire extinguishing powders

Publications (1)

Publication Number Publication Date
GB856836A true GB856836A (en) 1960-12-21

Family

ID=9800908

Family Applications (1)

Application Number Title Priority Date Filing Date
GB569558A Expired GB856836A (en) 1958-02-21 1958-02-21 Improvements in or relating to fire extinguishing powders

Country Status (1)

Country Link
GB (1) GB856836A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1171752B (en) * 1962-05-09 1964-06-04 Solvay Fire extinguishing powder compatible with fire extinguishing foams

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1171752B (en) * 1962-05-09 1964-06-04 Solvay Fire extinguishing powder compatible with fire extinguishing foams

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