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HZ-03 Anti-crack sticker

HZ-03 Anti-crack sticker

Anti-crack sticker is a self-adhesive interlayer anti-crack and waterproof material. It is an organic combination of several anti-cracking and waterproofing measures such as geosynthetics and stress-absorbing layer materials used alone on roads. It is an upgraded product of the optimized combination of anti-cracking and waterproofing materials between layers of roads.

【Performance characteristics】

  1. The anti-crack sticker has a reasonable multi-layer structure.
  2. When laying hot asphalt mixture, the high-strength high-temperature-resistant fabric on the top layer will not undergo high-temperature deformation, ensuring the formation of local high-strength asphalt mixture structure layers;
  3. After the high polymer of the upper coating is hot-melted, it seeps out from the gap of the fabric, and it is very well bonded to the asphalt mixture;
  4. The undercoat has a sufficient amount of high polymer to fill the potholes of the base surface after melting, enhance the adhesion with the base surface, and the stability of the undercoat and tire base ensures the formation of a composite interlayer with a relatively uniform thickness, play the role of crack resistance and waterproof.

【Classification and Specification】

  1. Classification: According to the construction method, it is divided into two types: hot-adhesive anti-crack paste and self-adhesive anti-crack paste.
  2. Specifications:

2.1 The thickness is 2mm and 3mm.

2.2 The width is 24cm, 36cm, 48cm, and can also be customized according to user needs.

2.3 The length is: 20m, and can also be customized according to user needs.

【skills requirement】

  1. Appearance:

1.1 Anti-crack stickers should be rolled up tightly, and the end face should not exceed 10mm.

1.2 The bottom surface of the anti-crack sticker should be flat, and there should be no bubbles, cracks, holes, or protrusions.

1.3 Anti-crack stickers should not have cracks or bonding within the corresponding working temperature range.

1.4 The tire base should be soaked, and there should be no unimpregnated parts.

1.5 The isolation film is well bonded to the undercoat without damage.

  1. Width, thickness, and mass per unit area

 

The width, thickness, and mass per unit area of the anti-crack stickers should meet the requirements in the table below.

No. Item Requirements
2mm 3mm
1 Width deviation cm ±1.0 ±1.0
2 Thickness Average mm ≥2.0 ≥3.0
Minimum value mm 1.7 2.7
3 Unit mass area kg/m2 ≥2.00 ≥2.50
Note: The width only gives the deviation, which is the difference between the average width and the nominal width.

 

  1. Performance index: The performance of anti-cracking stickers should meet the requirements in the table below.
NO. Item Requirements
1 Tensile properties Maximum tensile force N/50mm ≥1400
Elongation at maximum tension % 1.0-10.0
2 thermal ageing Heat aging Maximum tensile retention % ≥70.0
Elongation retention % at maximum tension % ≥75.0
Mass loss rate % ±2.0
Dimensional change rate % ±2.0
3 Low-temperature flexibility -10℃ No cracks
-20℃ when necessary No cracks
-30℃ when necessary No cracks
4 impermeability 30 min,0.3Mpa impermeability

 

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