General Purpose Plywood IS: 303

Veneers from high quality logs are mechanically dried and they undergo stress relieving process, which are assembled in such a way to form a balanced construction. High quality fortified synthetic resins are used for gluing the veneers. Glue line is poisoned by special formulations of chemicals to make Plywood safe against borers. Conditioning is done after pressing, followed by preservative treatment.

 

Applications

Partition and paneling, ceilings in public rooms and corridors, floor underlayment, computer rooms, furniture, bus bodies, railway coaches, milk booths, sign boards, insert in panel doors, storage racks.

Technical Specification

Property

Unit

Requirements of IS 303 (BWR/MR)     

Test Result 

Shear Strength in Dry State
Avg. Min                                   
Ind. Min                                    

N
N

 

1350/1000
1100/800

 

1600/1300
1400/1000

Shear Strength in Wet
Avg. Min
Ind. Min

 

N
N

 

1000/800
800/650

 

1300/1000
1000/900  

Mycological Test
Avg. Min
Ind. Min
Moisture Content

 

N
N
%

 

1000/800
800/650
5-15

 

1300/1000
1000/900
6-10