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Structural Profiles - Three-Cell Hollow Profile (Vinyl Ester)
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Greenlogy TEC
FRP pultruded profiles are made from glass fiber reinforcement as the raw material, resin as the binder, and glass fiber cloth as the wrapping reinforcement layer. After thorough impregnation, the material is heated, formed and cured in a metal mold and then drawn by a pultrusion machine to produce a new type of composite material with good physical properties, widely used in high-strength and large-span applications.
Type | Size (mm) | Weight (kg/m) | Size (in) | Weight (lbs/in) |
| 450*4.5*150*6 | 18.2 | 18" x 3/16" x 6" x 1/4" | 40.1 |
Markets
Construction
Bridges and Highways
Chemical
Food and Beverage
Manufacturing
Metals and Mining
Microelectronics
Oil and Gas
Pharmaceutical
Power
Pulp and Paper
Recreation
Telecommunications
Transportation
Water and Wastewater Treatment
Features:
Corrosion resistance
Low maintenance cost
Flame retardant
Low installation cost
Heavy metal resistant
Long service life
Electrically and thermally non-conductive
High strength-to-weight ratio
Raw material introduction — resin types
Code | Resin type | Flame retardant performance | Recommended applications |
|---|---|---|---|
VEFR-25 | Vinyl ester type | Oxygen index 28 and above | Acid, alkali and other harsh corrosive environments |
IFR-25 | Isophthalic type | Oxygen index 28 and above | VEFR type: economical, good performance, resistant to moderate acids, alkalis and solvents |
OFR-25 | Orthophthalic type | Oxygen index 28 and above | General acid and alkali environments |
Applications:
Greenlogy TEC pultruded FRP profiles are widely used in various scenarios, combining corrosion resistance, high strength, dimensional stability and light weight, with thermal insulation and electrical insulation properties. Durable Greenlogy TEC profiles deliver years of low-maintenance service in applications where steel, aluminum or wood components have traditionally been specified. Today, these profiles are often used in highly corrosive applications that previously required stainless steel and other costly components.
Greenlogy TEC profiles
Mechanical properties | ASTM | Unit | Value | Unit | Value |
|---|---|---|---|---|---|
Tensile stress, longitudinal | D-638 | psi | 30000 | kgf/m² | 21092086 |
Tensile stress, transverse | D-638 | psi | 7000 | kgf/m² | 4921487 |
Tensile modulus, longitudinal | D-638 | 10^6psi | 2.5 | 10^6kgf/m² | 1758 |
Tensile modulus, transverse | D-638 | 10^6psi | 0.8 | 10^6kgf/m² | 562 |
Compressive stress, longitudinal | D-695 | psi | 30000 | kgf/m² | 21092086 |
Compressive stress, transverse | D-695 | psi | 15000 | kgf/m² | 10546043 |
Compressive modulus, longitudinal | D-695 | 10^6psi | 2.5 | 10^6kgf/m² | 1758 |
Compressive modulus, transverse | D-695 | 10^6psi | 1 | 10^6kgf/m² | 703 |
Flexural stress, longitudinal | D-790 | psi | 30000 | kgf/m² | 21092086 |
Flexural stress, transverse | D-790 | psi | 10000 | kgf/m² | 7030695 |
Flexural modulus, longitudinal | D-790 | 10^6psi | 1.8 | 10^6kgf/m² | 1266 |
Flexural modulus, transverse | D-790 | 10^6psi | 0.8 | 10^6kgf/m² | 562 |
Elastic modulus | Full section | 10^6psi | 2.8 | 10^6kgf/m² | 1969 |
Shear modulus | --- | 10^6psi | 0.45 | 10^6kgf/m² | 316 |
Short-beam shear | D-2344 | psi | 4500 | kgf/m² | 3163813 |
Punch shear | D-732 | psi | 10000 | kgf/m² | 7030695 |
Notched Izod impact, longitudinal | D-256 | ft.-lbs./in. | 25 | kg/m | 3.46 |
Notched Izod impact strength, CW | D-256 | ft.-lbs./in. | 4 | kg/m | 0.55 |
Excluding round rods and square rods
Physical properties | ASTM | Unit | Value |
|---|---|---|---|
Barcol hardness | D-495 | --- | 45 |
24-hour water absorption | D-570 | Max % | 0.45 |
Density | D-792 | lbs./in.³ | 0.062-0.07 |
Coefficient of thermal expansion, LW | D-696 | 10^-6in./in./℃ | 8 |
Flame retardant performance | ASTM | Unit | Value |
|---|---|---|---|
Tunnel test* | E-84 | Flame spread | Max. 25 |
Combustibility* | D-635 | --- | Non-combustible |
Electrical properties | ASTM | Unit | Value |
|---|---|---|---|
Arc resistance, LW | D-495 | 秒（s） | 120 |
Dielectric strength, LW | D-149 | kv./in. | 35 |
Dielectric strength, PF | D-149 | Volts/mil | 200 |
Dielectric constant, PF | D-150 | @60hz | 5 |
LW = lengthwise, CW = crosswise, PF = perpendicular to laminate surface
*Applies to ISOFR and VEFR only
Applications
The three-hole hollow slab (vinyl ester) is suitable for applications with high requirements for corrosion resistance and strength, such as chemical platforms, wastewater treatment facilities, marine engineering, and building structures. Its hollow structure design reduces self-weight while providing good load-bearing capacity, making it suitable for large-span applications. To learn about suitability for specific scenarios, please contact us for detailed specifications and quotations.
Selection Guide
When selecting, factors such as load requirements, span, service environment (corrosiveness, temperature), and installation method should be considered. The vinyl ester resin gives the product excellent corrosion resistance, making it suitable for a variety of chemical environments. Our technical team can assist you in choosing the appropriate specifications based on your specific needs; please contact us for detailed specifications and quotations.
Product Advantages
The three-hole hollow slab is made of glass fiber reinforcement and vinyl ester resin, featuring high strength, light weight, corrosion resistance, insulation, and long service life. Its hollow structure design reduces weight while ensuring mechanical performance, facilitating transportation and installation. The surface is smooth and maintenance costs are low. Please contact us for detailed specifications and quotations.
Inquiry Guidance
If you need detailed technical parameters, custom dimensions, volume pricing, and delivery information for the three-hole hollow slab (vinyl ester), please feel free to contact us. We provide professional technical support and customization services; please contact us for detailed specifications and quotations.
Operating Environment
- These vinyl ester hollow structural profiles resist corrosion in chemical, food and beverage, and metal and mining plants, where acids, alkalis, salts, and washdown chemicals would attack steel.
- With a vinyl ester resin matrix and glass fiber reinforcement, these profiles are suitable for outdoor and indoor installations exposed to UV, moisture, and large temperature swings, and will not rust and rot like conventional materials.
- Their non-conductive and non-magnetic properties make them suitable for microelectronics and manufacturing environments, as well as bridge and highway infrastructure where deicing salts are present.
Custom Cutting
Need panels that fit, or cut to shape? We custom cut FRP grating and profiles to your drawing: panels cut to size or to shape (corner cuts, cutouts), cut edges sealed with resin, and pre-cut and pre-drilled to drawing before shipping. See the custom cutting services.
