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Quality control agencies: APA, The Engineered Wood Association; Canadian Plywood Association (CANPLY); Technical Research Centre of Finland (VTT); The National Swedish Testing Institute (Statens Provningsanstalt); TECO Corporation (TECO).

Table 1.7 Strength and stiffness properties and density values of selected American and Swedish structural plywoods

Section properties

Characteristic strength (N/mnr)

Density (kg/m3)

Mean modulus of rigidity (N/mnr)

Mean modulus of elasticity (N/mnr)

Bending

Compression

Tension

(rolling)

shear

Characteristic Mean

Panel shear

Bending

Tension and compression

Plywood type Nominal thickness (mm)

fm, 0,k /m,90,k

/c,0,k /c,90,k

/t,0,k /t,90,k

/v.k

/, k

P k P mean

\ 111^:11

0 0

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