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Results of Testing the Material Properties of the Product

Property

Requirement

Result

Thickness (mm)

≥ 0.48

0.64

Coating quality

Smooth and uniform, free of pinholes, cracks, blisters and flaking

Pass

Average coating thickness (µm)

> 20

30.9

Impact resistance

No visible cracking

Pass

Film adhesion

No removal of finish coat

Pass

Hardness – drawing pencil method

No rupture

Pass

Flexibility – using 3.2 mm mandrel

No cracking or flaking

Pass

Humidity resistance

No formation of blisters

Pass

Salt spray resistance

Corrosion infiltration = 1.5 mm from scored lines

Pass

Durability – carbon arc accelerated weathering

Slight colour change; not greater than No. 8 degree of chalking; no checking or cracking

Pass

Results of Testing the Traffic Load Properties of the Product

Property

Specified Load

Requirement

Result

Concentrated load applied at the midpoint of specimen assembly, centre of shingle

load applied in a vertical direction

900 N

No plastic or permanent deformation of shingles or opening observed at the butt/lap joint

Pass

Concentrated load applied at the upper and lower edge of shingle joint

load applied in a vertical direction

900 N

No plastic or permanent deformation of shingles or opening observed at the butt/lap joint

Pass

Concentrated load applied at the centre and edges of course joints on a shingle row

load applied in a vertical direction

900 N

No plastic or permanent deformation of shingles or opening observed at the butt/lap joint

Pass

Concentrated load applied at the edge of shingle joint near the starter strip

load applied in a vertical direction

900 N

No plastic or permanent deformation of shingles or opening observed at the butt/lap joint

Pass

Results of Testing the Wind Uplift Properties of the Product

Pressure (kPa)

Duration (s)

Requirement

ResultFootnote (1)

-0.5

10

No evidence of deformation, permanent damage or failure

Pass

-1.0

10

No evidence of deformation, permanent damage or failure

Pass

-1.4

10

No evidence of deformation, permanent damage or failure

Pass

-1.9

10

No evidence of deformation, permanent damage or failure

Pass

-2.9

10

No evidence of deformation, permanent damage or failure

Pass

-3.8

10

No evidence of deformation, permanent damage or failure

Pass

-4.3

10

No evidence of deformation, permanent damage or failure

Pass

-4.8

10

No evidence of deformation, permanent damage or failure

Pass

-7.8

10

No evidence of deformation, permanent damage or failure

Permanent deformation observedFootnote (2)

-8.7

10

No evidence of deformation, permanent damage or failure

Permanent deformation observedFootnote (3)

Results of Testing the Dynamic Pressure Water Infiltration Properties of the Product

Wind Speed (km/h)

Simulated Rainfall (L/m2·min)

Duration (min)

Requirement

ResultFootnote (1)

80

3.4

5

No leakage or damage

Pass

100

3.4

5

No leakage or damage

Pass

120

3.4

5

No leakage or damage

Pass

140

3.4

5

No leakage or damage

Pass

160

3.4

5

No leakage or damage

Pass

170

3.4

5

No leakage or damage

Pass