400 668 2538
长沙市神宇建筑防水防腐有限公司
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Special waterproof membrane for roads and bridges
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Special waterproof membrane for roads and bridges

Reference standard: JC/T974-2005
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Product introduction

The special waterproofing membrane for roads and bridges is a special waterproof interlayer material for road and bridge engineering and developed and produced with reference to the two national standards for building modified asphalt waterproofing membranes EGB 18242-2000 Styrene Butadiene Styrene (SBS) Modified Bituminous Sheet Materials and GB18243-2000 Atactic Polypropylene (APP) Modified Bituminous Sheet Materials which were implemented as of May 1, 2001.

 

Features

1. Insoluble in water, impermeable to water, unaffected by freeze-thaw cycles, and acid, alkali and salt resistant;

2. High bonding strength to concrete materials, free of blister or delamination;

3. Sliding resistant, close bonding between layers;

4. Good high temperature resistance. The temperature of asphalt mixture during hot laying is above 150℃, and the temperature of modified asphalt is higher. It is required that the carrier film of the membrane cannot be melted or softened at this construction temperature, and can maintain normal operation;

5. High tensile strength in vertical and horizontal directions;

6. Good flexibility. Flexibility means of toughness and surface hardness. Toughness reflects the ability of the interlayer material to absorb impact energy and can be approximately measured by the product of the tensile strength and elongation of the material, and the surface hardness is generally expressed through the CBR puncture strength;

7. Good uniformity. To ensure uniform strength, the biaxial strength ratio should not be greater than 1.2. Generally, non-woven geotextiles should be used instead of textile geotextiles as the matrix;

8. Aging and fatigue resistance. The non-woven geotextile is required to maintain a normal working condition within the service life on the road surface.

 

Scope of application

Applicable for waterproofing and cracking prevention of roads, railways and bridges.

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400 668 2538

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Room 301, Building 9, Xin'aojiayuan, East Purui Avenue, Wangcheng District, Changsha City, Hunan Province

 

 

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