HDPE ROCKSHIELD MESH / 5~6MM THICKNESS
MAISHI ROCKSHIELD MESH is a protective mesh designed to safeguard pipeline coatings from damage caused by rock backfills. Produced from high-density polyethylene in a diamond-structured pattern, it forms a durable cushioning layer that absorbs the impact of rocks or other hard materials which might otherwise compromise installed coating systems.
In addition to impact resistance, it provides ongoing protection against abrasive objects after installation, reducing the risk of pipeline damage from geological movements. MAISHI ROCKSHIELD MESH is also suitable for offshore applications, where it helps shield pipelines from impact and abrasion caused by lay barge rollers, anchors, rock placement, infill operations, and fishing (trawl) activities.
MAISHI ROCKSHIELD MESH (Standard)
High-quality HDPE protection for pipeline coatings against rock backfills.
| BASIC INFO | |
|---|---|
| Material | HDPE (High-Density Polyethylene) |
| Hole Shape | Diamond |
| Hole Size | 6.35mm |
| Thickness | 5~6mm |
| Density | 900-950g/m² |
| Additives | UV Stabilizer & Foaming Agent |
| PHYSICAL PROPERTIES | |
|---|---|
| Temperature Range | -30 °C to +100 °C [-22 to +212 °F] |
| Impact Resistance | ≥ 45 kg.cm |
| Compressive Strength | ≥ 1720 kPa [250 psi] @ 10% deformation |
| Tensile Strength MD | ≥ 9 kN/m |
| Elongation at max. | ≥ 65 % |
| Tear Strength (MD) | ≥ 100 N [22.5 lbf] |
| Tear Strength (TD) | ≥ 170 N [38.2 lbf] |
| DIMENSIONS & WEIGHT | |
|---|---|
| Width | 1.3m |
| Length | 30m |
| Roll Diameter | 47 cm |
| Approx Weight | 35 kg |
* The above data are theoretical data in the laboratory, actual data will vary in each batch. *
HDPE Rockshield Mesh is the premier industrial-grade mechanical protection shield designed specifically for oil, gas, and water pipelines. As a professional HDPE Rockshield Mesh manufacturer, MAISHI provides high-density solutions to safeguard pipeline coatings from the rigors of rocky backfilling and geological movement.
What is HDPE Rockshield Mesh?
HDPE Rockshield Mesh is a heavy-duty, extruded plastic mesh used as a sacrificial padding for protecting pipeline coatings (such as FBE, 3LPE, and Bitumen) from mechanical damage. When pipelines are installed in rocky or harsh terrains, the integrity of the anti-corrosion layer is critical. Our HDPE Rockshield Mesh acts as a robust barrier, absorbing the impact energy of rocks during the trench backfilling process.
For more information about our company and full product range, please visit our homepage or explore our technical resources section.
Key Performance Advantages
- Unmatched Impact Strength: Our HDPE Rockshield Mesh is engineered to withstand impacts exceeding 50 kg.cm, compliant with the ASTM G13 Standard.
- Chemical Resistance: Manufactured from 100% virgin High-Density Polyethylene, the mesh is resistant to soil acids, alkalis, and underground biological growth.
- Cathodic Protection Compatibility: The diamond-grid structure ensures that water and ions can flow freely, allowing Cathodic Protection (CP) systems to operate at 100% efficiency.
- Temperature Stability: Remains flexible and functional in temperatures ranging from -40°C to +80°C, making it suitable for both arctic and desert pipeline projects.
Technical Specifications Table
| Property | 900g/m² Grade | 1200g/m² Grade |
|---|---|---|
| Material | High-Density Polyethylene | High-Density Polyethylene |
| Thickness | 3.5mm – 4.0mm | 5.0mm – 6.0mm |
| Mesh Structure | Bi-planar Diamond | Bi-planar Diamond |
Detailed Installation Guidelines
To ensure maximum protection, the HDPE Rockshield Mesh must be installed correctly. We recommend the following steps for field application:
- Preparation: Ensure the pipeline coating is clean and free of debris before wrapping.
- Longitudinal or Latitudinal Wrapping: For smaller diameters, the mesh can be wrapped around the pipe circumference. For larger pipes, longitudinal wrapping is preferred.
- Overlap Requirement: Always maintain a minimum overlap of 100mm (4 inches) to ensure no part of the pipe is exposed to rocky backfill.
- Securing: Use UV-stabilized heavy-duty plastic ties or strapping tape every 1 meter. This prevents the mesh from shifting during the backfilling process.
Why Choose MAISHI as Your Supplier?
With over 15 years of experience in the wire mesh and protective shielding industry, MAISHI understands the critical nature of pipeline infrastructure. Our HDPE Rockshield Mesh is produced under strict ISO 9001 quality control standards. We provide fast global shipping and customized roll sizes to meet the specific needs of EPC contractors and pipeline engineers.
If you have questions regarding specific project requirements or need a bulk price list, please contact our technical experts today for a detailed consultation.
Frequently Asked Questions
Q: Does HDPE Rockshield Mesh replace sand padding?
A: Yes, in many cases, using HDPE Rockshield Mesh eliminates the need to haul expensive clean sand to remote pipeline sites, significantly reducing project costs.
Q: Is the material environmentally friendly?
A: Absolutely. HDPE is chemically inert and does not leach toxins into the surrounding soil or groundwater.