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Modified asphalt waterproofing membrane for road bridge

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产品描述

 

product description

 

The modified asphalt waterproofing membrane for road and bridge is made of high-quality long-fiber polyester felt as the base, and modified with petroleum SBS (thermoplastic elastomer rubber) or APP (random polypropylene) as the modifier. The rubber layer dip coating material is an elastomer or plastomer modified asphalt waterproofing membrane made of fine sand, mineral grain or polyethylene film.

 


 

Features

 

(1) High tensile strength, good tear resistance, good dimensional stability, and strong adaptability to deformation of the base layer.

 

(2) Excellent corrosion resistance, mildew resistance and weather resistance.

 

(3) Excellent puncture resistance, smash resistance and fatigue resistance.

 

(4) Hot-melt construction, the molten asphalt body is lapped, the bonding is reliable, the lap joint is firm, and all seasons are suitable.

 


 

Classification (specification model)

 

Bonding surface

PE (polyethylene film), S (fine sand)

thickness

3.0mm/4.0mm/5.0mm

width

1000mm

length

7.5m/10m

  


 

Scope of application

 

Self-adhesive, SBS or APPI type coil, mainly used for paving asphalt concrete paving base; APPII type coil, suitable for waterproofing of paving base of pouring asphalt concrete mixture.

 


 

Construction process

 

Self-adhesive construction: Self-adhesive construction of self-adhesive modified asphalt waterproofing membrane for road bridge.

 

Hot-melt construction: SBS and APP modified asphalt waterproofing membranes for road and bridge are constructed by hot melt method.

 

Hot-melt adhesive paste construction: use special hot melt adhesive to fully melt, and scrape the coating and waterproof base surface, and paste the road bridge with SBS, APP modified asphalt waterproof membrane waterproof layer construction.

 


 

Executive standard

 

Performance index of modified bitumen waterproofing membrane for road and bridge (JC/T97-2005)

project

index

Z

R、J

SBS

APP

Heat resistance °C No runny, dripping

110

115

130

160

Low temperature compliance °C without crack

-25

-25

-15

-10

Pulling force ≥ N / 50mm

600

800

Maximum peak elongation

40

Self-adhesive asphalt peel strength ≥ N / mm

1.0

/

 

 

 

 

 

 

 

 

 

 

 

Application performance index (JC/T97-2005)

Serial number

project

index

1

50°C shear strength, MPa≥

0.12

2

50 ° C bonding strength, MPa ≥

0.050

3

Impermeability after hot rolling

0.1MPa,30minimpermeable

4

Seam deformation ability

10,000 cycles without damage

 

 


 

 

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