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Results of Testing the Physical Properties of the Product

Property

Requirement

Result

Thermal expansion

Not to exceed 8.1 × 10-5 °C-1

Pass

Flammability

Linear burn rate/Maximum allowable burn rate

Pass

Colour

Uniform

Pass

Specular gloss

8 points

Pass

Shrinkage

≤ 3%

Pass

Warp

≤ 3 mm

Pass

Weatherability

No peeling, flaking, chipping or pitting

Pass

Impact resistance

≥ 6.3 J at 23°C

Pass

Surface distortion

Free from bulges, waves or ripples

Pass

Thickness

Face ≥ 0.7 mm

Pass

Nail slots ≥ 0.9 mm

 

Results of Testing the Wind Load Resistance of the Product at Q50 0.75 kPa

Property

Requirement

Result

Deformation (sustained pressure)

Sustained for 1 h ≥ 750 Pa

Pass

Repeated positive and negative pressure test (cyclic pressure), 2 000 cycles

1 090 Pa

Pass

Safety test (gust loads) (Pa)

Resist gust wind above 1 630 Pa

Pass