facing name

sandwich aluminum foil facing

fire-retardant sandwich aluminum foil facing

polypropylene plastic facing

serial No. of facing

F-1

F-2

F-3

appearance

silver

silver

silver/White

structure

four-layer composite structure

four-layer composite structure

four-layer composite structure

aluminum foil surface

aluminum foil surface

polypropylene surface

bonder layer

bonder layer

bonder layer

three-directional fiber layer

three-directional fiber layer

three-directional fiber layer

brown paper layer

brown paper layer

polypropylene surface

physical property

testing method

facing density

weighing

80g/m²

88g/m²

105g/m²

thickness

micrometer

steam permeation

ASTM E96 A Process

3.5ng/N.s

1.15ng/N.s

5.75ng/N.s

broken strength

ASTM D774

30N/m²

30N/m²

40N/m²

Longitudinal anti-tensile strength

ASTM C1136

4.2KN/m

4.0KN/m

5.4kN/m

Horizontal anti-tensile strength

ASTM C1136

2.0KN/m

2.0KN/m

2.4kN/m

ageing resistance

30Ìì49 95%relative humidity

resistance to low temperature

ASTM D1790 ­40 ,4hours

no delamination

no delamination

no delamination

no delamination

no delamination

anti-mildew

ASTM C665

leaking tolerance

23 24hours

reflection

ASTMC523

glistening

glistening

fireproof performance

UL723

ASTM E84