Test item

Performance index

Thermal insulation decorative board for exterior wall

Weathering ability

appearance

No chalking ,no peeling ,no hollowing ,no seepage

Tensile bonding strength Mpa.

≥0.10.the damaged located in the insulating layer.

(≥0.20 for XPS board)

Wind load resistance /kpa.

No less than the design value in the project

Impact strength / J

10.0

Water absorption .g/m2

Not than 500.(under water for 24h)

Freeze-thaw resistance

appearance

No seepage crack ,chalking ,hollowing and peeling after 30 loops.

Tensil strength . Mpa.

0.10,the damaged located in the insulating layer(≥0.20 for XPS board.)

Thermal resistance

Conforms to design requirements

Water tightness

No seepage in the panel protective layer

Vapor permeability .g/m2.h

≥0.85.(no requirements for ventilation structure)

EPS insulation plate

Apparent density.kg/m3

≥20

Thermal coefficient

≤0.039

Tensile strength .Mpa.

≥0.10

Water absorption(v/v) %

≤3.0

combustibility

No less than class B