Sarnafil® G 410-20 L Felt

Bottom surface

:

Dark grey membrane, with felt finish

Composition

:

Polyvinyl Chloride (PVC)

Surface

:

Matt

Top Surface

:

White | light grey | lead grey

Effective thickness

:

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

Length

:

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

Overall thickness

:

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

Weight

:

84,00 kg

Width

:

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

Elongation

:

longitudinal (md)1) ≥ 45 % | transversal (cmd)2) ≥ 45 %

Flatness

:

≤ 10 mm

Foldability at low temperature

:

≤ -25 °C

Hail resistance

:

rigid substrate ≥ 17 m/s | flexible substrate ≥ 25 m/s

Joint peel resistance

:

Failure mode: C, no failure of the joint ≥ 3 N/mm

Joint shear resistance

:

≥ 600 N/50 mm

Mass per area

:

2,75 kg/m² (-5 / +10 %)

Reaction to fire

:

Class E

Resistance to impact

:

hard substrate ≥ 800 mm | soft substrate ≥ 1500 mm

Resistance to static loading

:

soft substrate ≥ 20 kg | rigid substrate ≥ 20 kg

Shelf life

:

5 years from date of production.

Solar reflectance

:

0,80 ( White )

Solar reflectance index

:

106 (white, initial)

Straightness

:

≤ 30 mm

Tear strength

:

≥ 220 N

Tensile strength

:

longitudinal (md)1) ≥ 650 N/50 mm | transversal (cmd)2) ≥ 650 N/50 mm

Visible defects

:

Pass

Water absorption

:

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

Water-vapour transmission rate

:

µ = 15 000

Watertightness

:

Pass