4mm roof waterproof sheet sbs/ app waterproofing materials

Product name

Reinforcement

Polyester(PY) mat  ,Glass fiber(G) ,

Surface material

Polyethylene film / Aluminum foil / Fine sand / Mineral grain  material

Thickness

3mm / 4mm / 5mm

Size

1m × 10m

Tool

 torch

No.

Item 

Index 

Ι

ΙΙ

PY 

G

PY

G

PYG

1

Solid content (g/m²) ≥

3mm

2100

-

4mm

2900

-

5mm

3500

Test phenomenon

-

Non-ignitable

-

Non-ignitable

-

2

Heat resistance 

°C

90

105

≤mm

2

Test phenomenon

no flow or drippage

3

Flexibility at low temperature °C

-20

-25

4

Water tightness 30min

0.3Mpa 

0.2Mpa

0.3Mpa 

5

Tensile strength

Tension of maximum peak (N/50MM) ≥

500

350

800

500

900

Tension of secondary maximum peak (N/50MM) ≥

-

-

-

-

800

Test phenomenon

No cracks or separate

6

Elongation

Elongation at maximum peak (%) ≥

30

-

40

-

-

Elongation at secondary maximum peak (%) ≥

-

-

-

-

15

7

Mass increased after immersion(%)≤

PE  S

1.0

M

2.0

8

Thermal aging

Conservation rate of tensile strength (%) ≥

90

Conservation rate of elongation (%) ≥

80

Flexibility at low temperature ℃

-15  no crack 

-20 No crack 

Dimensional stability %≤

0.7

-

0.7

-

0.3

Mass loss (%) ≤

1.0

9

Oil permeability

the number of sheet 

2.0

10

Peel strength of joints N/mm  ≤

1.5

11

Tear strength/ nail shank ^a   N  ≥

-

300

12

Adhesion of mineral granules ^b   ≤

2.0

13

The thickness of Bitumen coating layer on the membrane bottom ^c mm  ≥

1.0

14

Artificial weather aging

Appearance

No sliding, no flowing, no dripping

Conservation rate of tension  % ≥

80

Flexibility at low temperature ℃

-15

-20

no cracks