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Control Number56699
Date and Time of Latest Transaction20060619142227.5
General Information060619s |||||||||b ||00|||
Cataloging SourcePCARRD-DOST
Main Entry - Personal NameForonda, Natalia M.
Main Entry - Uniform TitleENGLISH
Title StatementFire resistance of composite panels
General NoteCollege, Laguna: FPRDI, 1987. 15p
Summary, Etc.Particleboards from white lauan (Shorea contorta vid) and tanguile (Shorea polysperma) using urea-formaldehyde (UF) and phenol formaldehyde (PF) as binder were treated with 25% solution of American Wood Preserver's Association (AWPA) Type B and borax-boric acid combination at 5% concentration. Boards (lauan and tanguile) treated with AWPA, Type B for UF-bonded boards showed a final weight loss of 74.0 and 94.0% while the weight loss for PF-bonded boards was 96.3 and 91.5%, respectively. Boards treated with borax-boric acid solution of ammonium sulfate-ammonium phosphate and 30% sodium silicate showed a significant reduction in board stength and increased hygroscopicity. Both boards suffered from blows during the hot pressing operation. All weight loss values failed to meet the acceptance criteria of Basic Building Code (BBC) for fire-tube test of wood which was specified for a maximum weight loss of 20%
Subject Added Entry - Topical TermPARTICLE BOARDS
 SHOREA CONTORTA
 SHOREA
 TEMPERATURE RESISTANCE
 RESISTANCE TO INJURIOUS FACTORS
Added Entry - Personal NameCanadido, Luisa
 Siriban, Felino R.
 Bisana, Belen B.
 Pabuayon, C. L.
LocationDOST PCARRD
  
     
 
Physical Location
Department of Science and Technology
Philippine Council for Agriculture, Forestry and Natural Resources Research and Development
  
     
 
Digital Copy
Not Available
  
     
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