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Official Journal of the Japan Wood Research Society

Table 1 Testing items for mechanical properties, specimen size, sample number (replicate), and applied standards

From: Effects of modification with a combination of styrene-acrylic copolymer dispersion and sodium silicate on the mechanical properties of wood

Strength property

Dimension l × t × r* (mm)

Sample number

Standard

Bending

 Modulus of rupture (MOR)

180 × 10 × 10

10

DIN 52186

 Modulus of elasticity (MOE)

180 × 10 × 10

10

DIN 52186

Compression strength

 Longitudinal direction

30 × 20 × 20

10

DIN 52185

 Radial direction

30 × 20 × 20

10

DIN 52185

Surface hardness

40 × 30 × 30

10

ASTM D2240

Impact bending strength (IBS)

80 × 10 × 4

10

GB/T 1940

Tensile strength parallel to the grain

370 × 20 × 15

10

GB/T 1938

Shear strength parallel to the grain

35 × 20 × 40

10

GB/T 1937

  1. l represents the longitudinal direction, t means the tangential direction, and r is the radial direction