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Product Advantage
Made from 200-500D high-denier long fibers and manufactured through a needling process, with precise weight control of 80-150g/㎡. The denier of the raw materials is 3-5 times higher than ordinary nonwoven fabrics, with tightly intertwined fibers forming a stable skeleton structure. This effectively supports grass seeds, seedlings, and topsoil, preventing deformation of the vegetative mat during transport or installation, which is the core advantage of long-fiber, high-denier nonwoven fabric for vegetative mat backings.
Longitudinal tensile strength ≥ 15kN/m, transverse tensile strength ≥ 12kN/m, tear resistance ≥ 0.8kN, far exceeding the industry average standard (tensile strength ≥ 10kN/m). On slopes with gradients ≤ 45°, it can withstand forces from rain erosion and soil displacement, providing long-term use without risk of breakage, ensuring the engineering stability of ecological restoration vegetative mats.
The porosity is controlled at 30%-40% through special processes, with an air permeability ≥ 1000L/(㎡·s) and water permeability ≥ 500mL/(cm²·h). This allows rainwater to quickly infiltrate the soil, preventing surface water runoff, and provides sufficient oxygen for plant roots, promoting deep rooting. It addresses the traditional backing issues of "poor breathability and easy root decay," increasing ecological restoration efficiency by 40%.
Some models use modified degradable long fibers with added biodegradable agents, allowing degradation cycles to be precisely controlled within 1-3 years. Once vegetation is established (coverage ≥ 80%) and soil structure is stable, the backing naturally degrades into organic matter, leaving no environmental residue. Compared to non-degradable materials, it reduces post-project cleanup costs and meets the green development requirements of ecological restoration.
Suitable for temperature ranges of -30℃ to 60℃, resistant to acid and alkali corrosion (stable performance in pH 3-11 environments), and can be used for slope greening, river management, mine rehabilitation, and other ecological restoration scenarios. Custom widths (1-4m) and lengths (50-100m per roll) are supported to meet various construction needs, reduce cutting waste, and improve installation efficiency.
Added UV stabilizers for ultraviolet resistance, with 85% or more retention of tensile strength after 500h xenon lamp aging tests, allowing it to withstand strong outdoor UV exposure. The surface is reinforced for puncture resistance ≥ 200N, preventing damage from soil gravel and plant roots, ensuring the backing continues to function effectively throughout the ecological restoration cycle (2-5 years).
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Technical Parameters
| Parameter Category | Parameter Name | Specific Index | Test Standard/Description | Key Concerns for Industry Cusomers |
| Raw Material Basic Parameters | Filament Denier | 200-500D | Denier is a unit of fiber linear density; higher denier means thicker fiber | Directly related to the base's load-bearing capacity and structural stability |
| Product Weight | 80-150g/m2 | Precise weight control to ensure batch performance consistency | Affects product thickness,strength,and cost per unit area | |
| Producticn Process | Needle Punching Method | Fibers are tightly interwoven to form a 3D stereoscopic skeletal structure | Determines the structural sability and durabilty of the base | |
| Mechanial Performance Parameters | Longitudinal Tensile Strength | ≥15kN/m | GB/T15788-2017 Test Method for Tensile Properties of Geotexitles | Resists longitudinal tension caused by slope soil displacement and rainwaker scouring |
| Transverse Tensile Strength | ≥12kN/m | Same as above | Ensures transverse tear resistance during lying to avoid edge damage | |
| Tear Stength | ≥0.8kN | GB/T13763-2019 Tear Test for Geotexitles | Addresses the risk of accidental tearing during construction and use | |
| Puncture Resistance | ≥200N | GB/T14800-2010 Puncture Resistance Test for Geosynthetics | Prevents has damage from puncture by soil gravel and plant roots | |
| Air and Water Permeability Parameters | Porosity | 30%-40% | Tested by volume method | Balances water permeability efficiency and soil fixation capacity |
| Air Permeability | ≥1000L/(m2·s) | GB/T 5453-1997 Determination of Air Permability of Texitles | Ensures oxygen supply to plant roots and avoids rootrot | |
| Wake Permeability | ≥500mL(cm2·h) | GB/T 15789-2017 Test Method for Water Permeability of Geotexitles | Rapidly drains surface water to reduce rainwater scouring and erosion | |
| Degradation Performance Parameters | Degradation Period (Degradable Type) | 1-3 Years (Controllable) | In accordance with GB/T 20197-2006 Definition Classificacion, Marking and Degradation Performance Requiremens of Degradable Plastics | Adapts to the plant growth cycle with no environmental residues |
| Residue Rate After Complete Degradation | ≤0.5% | Tested after soil burial degradation test | Meets the green and environmental protection requiremerns of ecological restoration | |
Environmental Adaptability Parameters | Applicable Temperature Range | -30℃-60℃ | High-low temperature cycle test(-30℃/2h→60℃/2h,10 cycles) | Adapts to different climate regions with stable performance |
| Acid and Alkali Resistance Range(pH Value) | 3-11 | Acid-alkali immersion test (immersed in pH3/pH11 solution for 72h) | Copes with special acid-alkali soil environments such as mines and river courses | |
| Customizable Width Range | 1-4m | Cut according to customer's project requirements | Reduces construction splicing loss and improves Laying efficiency | |
| Customizable Length Range | 50-100m/Roll | Rolled packaging for eay transportation and storage | Adapts to different project scales and reduces transportation costs | |
Anti-Aging Parameters | Tensile Strength Retention Rate After Xenon Lamp Aging Test | ≥85%(500h) | GB/T 164222-2014 Plastics·Methods of Exposure to Laboratory Light Sources·Part 2: Xenon Arc Lamps | Resists strong outdoor UV radiation and extends service life |
| Outdoor Service Life(Non-Degradable Type) | 5-8 Years | Tracking test of natural exposure experiment | Suitable for long-term ecological restoration projects and reduces replacement frequency |
Product Uses
Applied to slopes (≤45°) along highways and railways. Its high tensile strength resists soil erosion from rain and vehicle-induced wind. The permeable structure allows grass seeds to germinate, quickly forming a vegetation cover to stabilize slopes and reduce maintenance costs.
Used for bank protection of rivers and lakes. It tolerates wet environments (pH 3-11) and prevents sediment loss. The breathable base supports aquatic plants’ root growth, improving water quality and restoring the riparian ecosystem without blocking water circulation.
Suitable for abandoned mine sites with poor soil. The nonwoven base fixes loose soil, retains moisture for seed growth, and (if degradable) breaks down naturally after 1-3 years. It accelerates vegetation recovery, reducing heavy metal runoff.
Layed on landfill slopes to cover waste and control dust. Its puncture resistance (≥200N) withstands debris damage. The material’s durability (5-8 years for non-degradable type) ensures long-term slope stability while aiding vegetation establishment to mask the landfill.
FAQ
Q1: How to choose between degradable and non-degradable types?
A: Choose degradable (1-3 years) for short-term projects (e.g., mine reclamation) where vegetation matures fast. Opt for non-degradable (5-8 years) for long-term stability (e.g., highway slopes) to avoid frequent replacement.
Q2: Can it work on slopes steeper than 45°?
A: It’s not recommended. Its tensile strength (≥15kN/m) works best on slopes ≤45°. Steeper slopes may exceed its load capacity, leading to soil displacement and base damage.
Q3: Does it need extra waterproofing in wet areas?
A: No. Its permeable structure (≥500mL/(cm²·h)) drains water while retaining soil. It tolerates wet environments (pH 3-11), so extra waterproofing is unnecessary and may block root oxygen supply.
Q4: How long does it take for vegetation to cover after laying?
A: With proper moisture and temperature, grass seeds germinate in 7-14 days. The base’s breathability aids growth, and full vegetation cover (≥80%) is usually achieved in 2-3 months, depending on the plant type.
