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Nitrogen Foaming Geomembrane Product Introduction

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Геомембрана с шероховатой поверхностью
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Описание

Nitrogen Foaming Geomembrane Product Introduction

Обзор продукции

Nitrogen Foaming Geomembrane is an advanced geosynthetic material manufactured using nitrogen gas foaming technology, creating a closed-cell foam structure with exceptional thermal insulation, cushioning, and drainage properties. This innovative geomembrane features a unique cellular structure that provides superior performance in environmental protection, landfill lining, and geotechnical applications where both barrier and insulation functions are required.

Key Features

1. Excellent Thermal Insulation

The closed-cell nitrogen foamed structure creates millions of tiny air pockets, providing outstanding thermal resistance (R-value up to 0.7-1.2 m²·K/W) and reducing heat transfer in landfill covers, pond liners, and containment systems.

2. Superior Cushioning Properties

The foam structure offers excellent impact resistance and cushioning effect, protecting underlying geomembranes from punctures, abrasion, and mechanical damage during installation and service life.

3. Lightweight and Flexible

With density typically ranging from 200-600 kg/m³, nitrogen foaming geomembrane is significantly lighter than traditional geomembranes, reducing transportation costs and improving installation efficiency while maintaining flexibility for complex terrain applications.

4. Chemical Resistance

Manufactured from high-density polyethylene (HDPE) or linear low-density polyethylene (LLDPE), the material offers excellent resistance to chemicals, acids, alkalis, and environmental stress cracking, ensuring long-term durability in harsh conditions.

5. Water and Vapor Barrier

Despite its foamed structure, the closed-cell nature provides effective water and vapor barrier properties when used in composite systems with impermeable geomembranes.

Технические характеристики

Параметр
Unit
Specification
Материал
-
HDPE/LLDPE with Nitrogen Foaming
Толщина
mm
2.0-6.0
Плотность
kg/m³
200-600
Tensile Strength (MD/CD)
kN/m
≥8/≥6
Удлинение при разрыве
%
≥200
Сопротивление разрыву
N
≥80
Устойчивость к проколам
N
≥200
Thermal Conductivity
W/(m·K)
≤0.035
Water Absorption
%
≤1.0
Operating Temperature
°C
-40 to +80

Приложения

1. Landfill Cover Systems

Used as a thermal insulation layer in landfill final covers, reducing heat loss, preventing frost penetration, and protecting the underlying geomembrane from temperature fluctuations and mechanical damage.

2. Pond and Reservoir Liners

Applied as a cushioning and insulation layer beneath primary geomembranes in water containment systems, providing protection against punctures and improving thermal stability.

3. Mining and Industrial Applications

Suitable for heap leach pads, tailings ponds, and industrial containment systems where both barrier protection and thermal insulation are required.

4. Road and Railway Construction

Used as a separation and cushioning layer in transportation infrastructure, reducing stress on underlying soils and providing thermal insulation in permafrost regions.

5. Building and Construction

Applied in foundation insulation, roof gardens, and green building applications where lightweight insulation and moisture barrier properties are needed.

Руководство по установке

  1. Подготовка основания: Ensure the subgrade is smooth, compacted, and free from sharp objects that could damage the geomembrane.
  2. Material Deployment: Unroll the nitrogen foaming geomembrane smoothly, avoiding wrinkles and ensuring proper overlap (minimum 150mm for seams).
  3. Seaming Methods: Use heat fusion welding, solvent welding, or mechanical fastening systems according to project specifications and material compatibility.
  4. Protection Layer: Install a protective geotextile or soil cover layer immediately after installation to prevent UV degradation and mechanical damage.
  5. Quality Control: Conduct seam testing, visual inspections, and destructive/non-destructive testing as per project quality assurance plan.

Обеспечение качества

Haoyang Environmental’s nitrogen foaming geomembranes are manufactured in compliance with ASTM, GRI, and ISO standards. Our production facility is equipped with advanced nitrogen foaming technology and automated quality control systems. All products undergo rigorous testing in our CNAS-accredited laboratory, including thickness measurement, tensile testing, tear resistance, and thermal performance evaluation. Our quality management system is certified to ISO9001, ISO14001, and OHSAS 18001 standards.
📧 Электронная почта:[email protected]
🌐 Веб-сайт:​ www.hyhdpemembrane.com

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