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SBS Modified Bitumen-based Waterproofing Membrane
SBS Modified Bitumen-based Waterproofing Membrane

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It is a kind of high quality waterproof membrane, boasting with very excellent waterproof effect and low cost at the same time.

SBS Modified Bitumen-based Waterproofing Membrane

Production Introduction

SBS Modified Asphalt/Bitumen-based waterproofing membrane, is a kind of construction waterproofing rolls made by taking Polyester or fiberglass as its tire, which is impregnated and coated by Styrene - butadiene - styrene (SBS) modified bitumen/ asphalt, and coated with isolation material on its both sides.

 

Application

Roof and underground waterproof projects of industrial and civil buildings

Waterproof projects for subways, tunnel, bridges, swimming pools, reservoir, canal, etc.

Suitable for building waterproofing in extremely cold and low temperature environment

 

Features

Good elasticity, tensile strength and high elongation, good low temperature flexibility, puncture resistance and fatigue resistance.

 

Category

They can be divided into two broad categories as per the birth base: Polyester tire (PY) and glass fiber tire (G).
They can be divided into three categories as per the surface insulating material: polyethylene (PE), fine sand (S) and mineral grains (pieces) materials (M).
They can be divided into type A and type Bas per the physical and mechanical properties.
The waterproof rolls can be divided into 6 different categories as per different tire and isolation material.

 

Specification

Width: 1000mm

Thickness: 3mm and 4 mm for Polyester tire (PY)

2mm, 3mm and 4 mm for glass fiber tire (G) with the area of 7.5m2, 10 m2, 15 m2 respectively

 

Construction

Surface treatment     brush Prime coating    Split seam treatment    Hot-melt self-adhesive    Joint treatment     Full inspection

Note

SBS Modified Asphalt/Bitumen-based waterproofing membrane must be stacked vertically, and its height should not exceed two layers.

Avoid rain, expose to the sun, moisture, fire, and keep ventilation.

 

Performance

PY(Polyester tire)

G(glass fiber tire)

Type

A

B

A

B

Fusible Object Content,

g/m2

2mm

-

≥1300

3mm

≥2100

4mm

≥2900

Impermeability

Pressure

,MPa

≥0.3

≥0.2

≥0.3

Keeping time,min

≥30

Heat resistance,°C

90

105

90

105

No sliding, flowing, dripping.

Maximum tensile strength,N/50mm

Vertical

≥450

≥800

≥350

≥500

Horizontal

≥250

≥300

Elongation (maximum tensile),%

Vertical

≥30

≥40

­—

Horizontal

Low temperature flexibility

,°C

-18

-25

-18

-25

No crack

       

 

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