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FRP Duct
FRP Duct
FRP Duct
FRP Duct
FRP Duct
FRP Duct
FRP Duct
FRP Duct

FRP Duct

Fiberglass reinforced plastic (FRP) ducts are ventilation pipes made with resin or magnesium oxychloride cement as the matrix and glass fiber as the reinforcing material. They are divided into two main categories: organic Fiberglass Air Ducts (resin-based) and inorganic Fiberglass Air Ducts (magnesium oxychloride cement-based). Our company mainly produces and sells organic FRP ducts with resin as the matrix.

Products Description

Fiberglass Ducts are mainly used for air, gas, and fume transmission in industrial and commercial environments. They are widely applied in ventilation, exhaust, and smoke removal systems, especially where corrosion resistance and durability are required. Thanks to their lightweight structure and strong chemical resistance, fiberglass chimneys are ideal for harsh conditions such as chemical plants, power stations, and marine facilities.

Fiberglass Air Duct are ventilation pipes made with resin or magnesium oxychloride cement as the matrix and glass fiber as the reinforcing material. They are divided into two main categories: organic FRP ducts (resin-based) and inorganic FRP ducts (magnesium oxychloride cement-based). Our company mainly produces and sells organic fiberglass flues with resin as the matrix.

With Ten years experience, Pipezy can manufacture and fabricate the fiberglass chimneys system that you need.The Fiberglass Air Duct is manufactured to comply with recognized industry standards and can be customized to your exact specifications.


I. Core Features and Advantages


1. Lightweight and High Strength

Weighing only 1/10 of concrete pipes and 30% of steel pipes of the same specifications, convenient for transportation and installation. Compressive strength reaches 65 MPa (organic type), with excellent impact resistance.


2. Corrosion Resistance and Durability

Organic type: Resistant to acid, alkali, and salt corrosion, suitable for corrosive gas emissions in chemical and textile industries.


3. Environmental Adaptability

Wide operating temperature range (-40℃~80℃), resistant to damp heat and freeze-thaw cycles.


4. Excellent Fluid Performance

Smooth inner wall, low resistance, 10% higher flow rate than steel pipes of the same specifications, reduced energy consumption. No fluid residue or scaling, stable flow rate over long-term use.


5. Economic Efficiency

Low overall cost, maintenance-free, no need for anti-corrosion treatment; the larger the pipe diameter, the more significant the cost advantage.


II. Fiberglass Air Duct Production Process and Technology


1. Manufacturing of Organic Fiberglass Air Ducts


Winding Process: Resin impregnates fiberglass, which is then wound layer by layer on a rotating mandrel; a sand layer enhances rigidity.

Hand Lay-up Process: Fiberglass cloth is laid on the mold surface and coated with resin; multiple layers are stacked, cured, and demolded; suitable for irregularly shaped pipe fittings.


III. Application Scenarios and Standard Requirements


Applicable Fields

Organic Type: Exhaust ventilation in corrosive environments such as chemical plants, electroplating plants, and laboratories.


Installation Specifications

Connection Method: Socket bonding (inorganic type) or flange bolts (organic type), sealing with 8501 adhesive strip.

Reinforcement Requirements: Reinforcing ribs are required when the side length is >1000 mm, with longitudinal spacing ≤1250 mm.

Spacing of Supports and Hangers: For horizontal installation, the spacing between supports with a long side ≤2000 mm should be ≤2 m, and the hanger diameter should be ≥10 mm.


Quality Control

Wall Thickness Tolerance: Deviation -1~0 mm when the side length is ≤300 mm.

Air Leakage Detection: A light leakage test is required; zero light leakage at the interface is acceptable.

Inorganic Type Defect Prevention: Control the uniformity of the slurry, curing temperature and humidity, and avoid flange deformation.


For top-quality Fiberglass Air Ducts, trust Pipezy – a leading fiberglass pipe manufacturer . Our products are designed for durability, corrosion resistance, and high performance across a wide range of industrial and commercial applications. With Pipezy’s expertise and commitment to quality, you can ensure reliable, efficient, and long-lasting airflow solutions for your projects. Contact Pipezy today to explore our fiberglass air ducts and discover the difference our premium products can make.

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