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FRP Pultruded Profiles
1.Keywords
Fiberglass Pultrusion Profiles, Structural FRP Shapes, Corrosion-Resistant Extrusions, Composite Beams & Channels, Non-Conductive Structural Profiles, Custom FRP Sections, High-Strength Pultruded Bars, Industrial FRP Profiles, UV-Resistant Pultrusions
2.Technical Specifications
1. Standard Profile Types
|
Profile |
Standard Sizes (mm) |
Key Applications |
|
I-Beams |
50×50 to 300×300 |
Structural framing, walkways |
|
Channels |
25×25 to 200×100 |
Cable trays, edge protection |
|
Round Tubes |
Ø20-Ø500 |
Handrails, structural columns |
|
Square Tubes |
20×20 to 400×400 |
Framework, protective guards |
|
Angles |
25×25 to 150×150 |
Brackets, reinforcement |
|
Custom Shapes |
Any geometry |
Specialized industrial uses |
2. Material Properties
|
Property |
Value |
vs Steel |
|
Tensile Strength |
300-500 MPa |
Comparable |
|
Weight |
1.8-2.0 g/cm³ |
1/4 Weight |
|
Thermal Expansion |
6×10⁻⁶/°C |
1/2 Aluminum |
|
Dielectric Strength |
15-25 kV/mm |
Non-Conductive |
3. Standard Lengths & Tolerances
Length: 6m (Standard), up to 12m (Custom)
Dimensional Tolerance: ±0.5% (Profile), ±0.2mm (Wall Thickness)
Straightness: ≤1mm/m
3.Key Advantages
1. Superior Corrosion Resistance
Chemical Resistance Chart:
|
Exposure |
Performance |
|
Saltwater |
No degradation (20+ years) |
|
10% HCl |
Excellent (No weight loss) |
|
50% NaOH |
Good (Minor surface etching) |
2. Structural Efficiency
Strength-to-Weight Ratio: 4× higher than steel
Fatigue Resistance: 10⁷ cycles @ 30% ultimate stress
3. Installation Benefits
Easy Cutting: Standard woodworking tools
Joining Methods:
|
Method |
Shear Strength |
|
Adhesive Bonding |
15-25 MPa |
|
Mechanical Fasteners |
10-15 kN |
4.Industry Applications
A. Chemical Plants
Cable Support Systems:
Non-sparking I-beams in explosive zones
Acid-resistant cable trays (H₂SO₄ areas)
B. Electrical Infrastructure
Insulating Structures:
|
Component |
Benefit |
|
Substation Walkways |
Eliminates grounding requirements |
|
Lightning Rod Supports |
No corrosion at connections |
C. Marine & Offshore
Dock Components:
UV-stabilized handrails (50-year lifespan)
Lightweight decking (1/3 steel weight)
D. Renewable Energy
Solar Farm Racking:
|
Feature |
Advantage |
|
Non-Conductive |
No induced currents |
|
Low Thermal Expansion |
Minimal alignment shift |
5.Customization Options
1. Material Enhancements
Fire-Retardant: UL94 V-0 rating
Conductive: Carbon fiber layer (10³-10⁶ Ω/sq)
High-Temp: Up to 180°C continuous
2. Surface Treatments
|
Treatment |
Purpose |
|
Grit Coating |
Slip resistance (DIN 51130 R10) |
|
Gelcoat Finish |
UV protection + color stability |
3. Smart Features
Embedded Sensors: Strain gauges for load monitoring
RFID Tags: Asset tracking in large installations
6.Quality Assurance
Testing Standards:
|
Test |
Standard |
|
Tensile |
ASTM D3916 |
|
Flexural |
ISO 14125 |
Certifications:
CE Marking (EU)
AS/NZS 3572 (Australia/NZ)
7.Contact for
CAD profiles (STEP/DWG)
Load capacity calculations
Custom die tooling inquiries
FRP Pultruded Profiles Customer Evaluation
FRP Pultruded Profiles FAQ
-
What are FRP pultruded profiles made of?
They are made from Fiber Reinforced Plastic (FRP), typically using glass fiber reinforcement combined with polyester, vinyl ester, or epoxy resin.
-
What applications are FRP pultruded profiles suitable for?
They are widely used in industrial platforms, structural frames, walkways, handrails, ladders, and electrical insulation applications.
-
What advantages do FRP pultruded profiles have over steel or aluminum?
FRP profiles are corrosion-resistant, lightweight, non-conductive, and require low maintenance compared to metal materials.
-
Can FRP pultruded profiles be customized?
Yes, profile shapes, dimensions, resin systems, surface finishes, and lengths can all be customized according to project requirements.
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