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SBS Modified Asphalt Waterproofing Membrane


Time:2019/7/18 15:41:16     Click Num:314

Product overview

SBS Modified Asphalt Waterproofing Membrane is produced by advanced technology , directly mixing method, taken SBS rubber modified asphalt as base stock, polyester and glass fiber felt as matrix and PE, sand, AL as facing material. It is a new product highly promoted by national ministry of construction.



Features & application

It has excellent low-temperature resistance, especially suits for cold regions, able to be applied on the architectural structure of roof, basement, frozen cave, canal, dam, impounding reservoir, common bathing pool, swimming pool, airplane and airplane runway.



Specification & classification

Classified by performance: type I, type II

Matrix: polyester, glass fiber

Coverings on upper surface: PE film, sand, aluminum sheet

Nominal width: 1000 mm

Nominal area: 10 ㎡

Thickness: 3.0 mm, 4.0 mm



Technical Index(Performance standard: GB18242-2008)

No.

Item

Index

PY

G

PY

G

PYG

1

Soluble substance content /g/㎡≥

3mm

2100

-

4mm

2900

-

5mm

3500

experiment phenomena

-

matrix non-ignitable

-

matrix non-ignitable

-

2

impermeability30min

0.3Mpa

0.2Mpa

0.3Mpa

3

Heat resistance

90

105

≤mm

2

experiment phenomena

no flowing, dripping

4

Low-temperature flexibility /℃

-20

-25

flawless

5

Tension Strength N/50mm≥

maximum peak tesion/(N/50mm)

500

350

800

500

900

secondary maximum tension/ (N/50mm)

-

-

-

-

800

experiment phenomena

In the process of drawing, no craze or matrix separation phenomenon

6

Elongation

maximum peak elongation/%≥

30

-

40

-

-

secondary maximum elongation /%≥

-

-

-

-

15

7

Permeability oil

Amount of sheets /P≤

2

8

Thickness of asphalt overlay on the lower membrane surface c/mm

1.0

Tips:

A. only used in monolayer membrane of mechanically fastening construction method.

B. only used in individual grains-surface membrane.

C. only used in torch-applied method construction membrane