Physical Performance:

Inspection item Performance indices

Inspection value

Performance indices

Inspection value

Performance indices

Inspection value

Performance indices

Inspection value

Performance indices

Inspection value

Performance indices

Inspection value

Apparent Density (tm3) 1.05<p≥1.2 1.16 1.05<p≥1.2 1.15 1.05<p≥1.2 1.14 1.05<p≥1.2 1.20 1.05<p≥1.2 1.35 1.05<p≥1.3 1.25

Moisture Content (%) ≥8 4 ≥8 5 ≥8 4 ≥8 4 ≥8 6 ≥8 7

Rupture strength (Mpa) ≥8 14 ≥14 20 ≥10 23 ≥10 25 ≥10 21.4 ≥10 25.4

Dynamic Resistancekj/m2 ≥2.0 3 ≥1.9 3 ≥2.0 8 ≥2.0 10 ≥2.0 7.4 ≥2.0 8.5

Bolt Hold Strength N/mm ≥8 14 ≥5 11 ≥20 32 ≥20 32 ≥20 28 ≥20 32

Drying Shrinkage (%) 0.3 0.1 0.3 0.1 0.3 0.1 0.3 0.1 0.3 0.1 0.3 0.1

Water Swelling Rate (%) ≥0.2 0.16 ≥0.6 0.1 0.6 0.1 0.6 0.1 0.6 0.1 0.6 0.1

Moisture ResistanceWithout Bead or

Moisture

Without Bead or

Moisture

Without Bead or

Moisture

Without Bead or

Moisture

Without Bead or

Moisture

Without Bead or

Moisture

Without Bead or

Moisture

Without Bead or

Moisture

Without Bead or

Moisture

Without Bead or

Moisture

Without Bead or

Moisture

Without Bead or

Moisture

Chloride ion content (%) ≥10 5.7 ≥10 5.8 ≥10 6 ≥10 7 ≥10 6 ≥10 5

3mm Thick 6mm Thick 8mm Thick 10mm Thick 12mm Thick 18mm Thick

MGO Board Product Specification

Board Size: 1220mm x 2440mm Dimensional tolerance of board material (mm)