Technical specifications

Serial Number

Inspection (verification) items

National Standards

Measured value

1200×600×50(mm)

160kg/m³

1200×600×50(mm)

180kg/m³

1

Acidity coefficient

≥ 1.8

≥ 2.0

≥ 2.0

2

Compression strength (deformation 10%) kPa

≥ 40

≥ 60

≥ 80

3

Point load strength (deformation 5mm)

≥ 200

≥ 500

≥ 700

4

Thermal conductivity (average temperature 25 ℃)W/(m · K)

≤ 0.040

≤ 0.040

≤ 0.040

5

Hydrophobic rate %

≥ 98.0

≥ 99.0

≥ 99.0

6

Combustion performance (GB8624)

Grade A

A1

A1

7

Short-term water uptake (partial immersion) kg/m²

≤ 0.4

≤ 0.4

≤ 0.4

8

Moisture absorption rate by mass (50 ℃,RH95%,96H) %

≤ 0.5

≤ 0.5

≤ 0.5

9

Potassium oxide sodium oxide content K₂O&Na₂O %

≤ 5.0

≤ 4.0

≤ 4.0

10

Dimensional stability(70 ℃,48h)

Length%

≤ 1.0

≤ 1.0

≤ 1.0

Width%

≤ 1.0

≤ 1.0

≤ 1.0

Thickness%

≤ 1.0

≤ 1.0

≤ 1.0