Sarnafil® G 476-20 (CN_GB)

Application area

:

Roof

Bottom surface

:

Dark grey

Composition

:

Polyvinyl Chloride (PVC)

Surface

:

Matt

Top Surface Colours

:

Orange

Effective thickness

:

2,0 mm (-5 / +10 %)

Length

:

15,00 m (-0 / +5 %)

Overall thickness

:

2,0 mm (-5 % / +10 %)

Roll length

:

15,00 m

Roll weight

:

81,00 kg

Roll width

:

2,00 m

Width

:

2,00 m (-0,5 / +1 %)

Ambient air temperature

:

-20 °C min. / +60 °C max

Dimensional stability

:

longitudinal (md)) ≤ | 0,2 | % | transversal (cmd)) ≤ | 0,2 | %

Elongation

:

longitudinal (md)) ≥ 180 % | transversal (cmd)) ≥ 180 % | longitudinal (md)) ≥ 200 % | transversal (cmd)) ≥ 200 %

Flatness

:

≤ 10 mm

Foldability at low temperature

:

≤ -25 °C

Joint peel resistance

:

≥ 3 N/mm

Joint shear resistance

:

≥ 500 N/50 mm

Mass per area

:

2,55 kg/m2 (-5 % / +10 %)

Resistance to alkalinity

:

tensile strength retention ≥ 85 % | elongation retention ≥ 80 % | ow temperature bend no crack

Resistance to impact

:

hard substrate ≥ 700 mm | soft substrate ≥ 1250 mm

Resistance to static loading

:

soft substrate ≥ 20 kg | rigid substrate ≥ 20 kg

Resistance to UV exposure

:

Not resistant for permanent exposure to UV irradiation

Retention of properties after heat ageing

:

tensile strength retention ≥ 85 % | elongation retention ≥ 80 % | low temperature bend no crack

Shelf life

:

5 years from date of production.

Storage conditions

:

Dry conditions and temperatures between +5 °C and +30 °C

Straightness

:

≤ 30 mm

Substrate temperature

:

-30 °C min. / +60 °C max.

Tear strength

:

≥ 50 N/mm

Tensile strength

:

longitudinal (md)) ≥ 8,5 N/mm2 | transversal (cmd)) ≥ 8,5 N/mm2 | longitudinal (md)) ≥ 10 MPa | transversal (cmd)) ≥ 10 MPa

Visible defects

:

Pass

Water absorption

:

wet weight ≤ 4 % | dry weight ≤ -0,4 %

Water-vapour transmission rate

:

µ = 15 000

Watertightness

:

pass