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FRP Anti Corrosion Purlin
1.Keywords
FRP Roof Purlins, Chemical-Resistant Structural Purlins, Non-Metallic Roof Supports, Fiberglass Building Purlins, Industrial Roofing Beams, Acid-Resistant Purlins, UV-Stable Roof Battens, Lightweight Structural Purlins, Composite Construction Purlins
2.Technical Specifications
1. Material & Construction
|
Parameter |
Specification |
|
Base Material |
Vinyl Ester Resin + E-Glass Fiber |
|
Reinforcement |
Unidirectional Roving (Axial Strength >400 MPa) |
|
Surface Finish |
UV-resistant Gel Coat (RAL Colors Available) |
|
Fire Rating |
Class B1 (GB 8624) / UL94 V-0 |
|
Thermal Conductivity |
0.3 W/m·K |
2. Standard Sizes
|
Profile |
Width (mm) |
Height (mm) |
Thickness (mm) |
Span Capacity (m) |
|
C-Type |
80-300 |
40-100 |
3-6 |
2-8 |
|
Z-Type |
100-400 |
50-120 |
4-8 |
3-10 |
|
Box-Type |
120-500 |
60-150 |
5-10 |
4-12 |
3. Mechanical Properties
|
Property |
Value |
vs Steel Purlins |
|
Tensile Strength |
350 MPa |
Comparable |
|
Flexural Strength |
300 MPa |
80% of Steel |
|
Gewicht |
1.8 g/cm³ |
1/4 Steel Weight |
|
Thermal Expansion |
6×10⁻⁶/°C |
1/2 Aluminum |
3.Key Advantages
1. Extreme Corrosion Resistance
Chemical Exposure Tests:
|
Chemical |
Exposure Time |
Degradation |
|
10% HCl |
5 years |
<0.1% weight loss |
|
50% H₂SO₄ |
3 years |
Surface gloss retained |
|
Salt Spray |
10,000 hours |
No blistering |
2. Structural Performance
Load Capacity:
|
Span (m) |
Uniform Load (kN/m²) |
|
4 |
1.5 |
|
6 |
0.8 |
|
8 |
0.5 |
Fatigue Life: >10⁷ cycles @ 30% ultimate load
3. Installation Benefits
1/4 the Weight of Steel:
6m Z-purlin: 12kg (FRP) vs 48kg (Steel)
Tool Compatibility:
Cut with wood saws, drill with standard bits
Joining Systems:
|
Method |
Strength |
|
Adhesive Bonding |
20 MPa shear |
|
Mechanical Fasteners |
15 kN per connection |
4.Industry Applications
A. Chemical Plant Roofing
Acid Storage Buildings:
|
Feature |
Benefit |
|
HF Resistance |
No corrosion in fluorine environments |
|
No Rust Staining |
Preserves roof membrane |
B. Marine Facilities
Coastal Warehouses:
Withstands salt spray at 120km/h winds
50-year lifespan in C5-M corrosion zones
C. Food Processing Plants
Washdown Areas:
Resists CIP cleaning chemicals (pH 2-12)
FDA-compliant resin options
D. Solar Farm Structures
PV Mounting Rails:
|
Advantage |
Value |
|
Non-Conductive |
Eliminates stray current |
|
Low Thermal Expansion |
±2mm/10m @ ΔT=50°C |
5.Customization Options
1. Enhanced Properties
Fire Retardant: LOI >28 (ASTM D2863)
Anti-Static: Surface resistivity 10⁶-10⁹ Ω/sq
High-Temp: Up to 150°C continuous (special resins)
2. Smart Features
Strain Gauges: Embedded fiber optic sensors
RFID Tags: For maintenance tracking
3. Accessories
|
Accessory |
Function |
|
End Caps |
Prevent water ingress |
|
Splice Plates |
Multi-span connections |
|
Insulation Pads |
Thermal break |
6.Quality Assurance
Testing Standards:
|
Test |
Standard |
|
Flexural |
ASTM D790 |
|
Impact |
ISO 179 |
Certifications:
ISO 9001
CE Marking (EN 13706)
7.Contact for
Wind/snow load calculations
CAD profiles (DWG/STEP)
Custom die tooling services
FRP Anti Corrosion Purlin Customer Evaluation
FRP Anti Corrosion Purlin FAQ
-
What material is the FRP anti corrosion purlin made of?
It is made from Fiber Reinforced Plastic (FRP), combining high mechanical strength with excellent corrosion resistance.
-
Where are FRP anti corrosion purlins commonly used?
They are widely used in chemical plants, coastal buildings, wastewater treatment facilities, and other corrosive industrial environments.
-
How does FRP compare to steel purlins?
FRP purlins are lighter, corrosion-resistant, non-conductive, and require less maintenance compared to traditional steel purlins.
-
Can the FRP purlin be customized?
Yes, customization options such as profile shape, length, load capacity, and resin type are available based on project needs.
Adresse
20 Xingyuan South Street, Kreis Zaoqiang, Stadt Hengshui, Provinz Hebei, China
