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Structural Profiles - Plum Tube
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Greenlogy TEC
FRP pultruded profiles use glass fiber as the reinforcement, resin as the adhesive, and glass fiber cloth as the wrapping reinforcement layer; after thorough impregnation, they are heated, formed and cured in a metal mold and drawn by a pulling machine to form a new type of composite material with good physical properties, widely used in high-strength and long-span applications.
Type | Size (mm) | Weight (kg/m) | Size (in) | Weight (lbs/in) |
|---|---|---|---|---|
Quincunx tube | D1*D2*T | D1*D2*T | ||
| CT32A | 19*32*6.4 | 1.11 | 0.75*1.26*0.25 | 2.45 |
| CT34A | 19*34*7.5 | 1.3 | 0.75*1.34*0.3 | 2.87 |
| CT32B | 25*32*3.5 | 0.66 | 0.98*1.26*0.14 | 1.46 |
| CT42 | 29*42*6.4 | 1.35 | 1.14*1.65*0.25 | 2.98 |
| CT45A | 28*45*8.5 | 1.86 | 1.1*1.77*0.33 | 4.1 |
| CT45B | 32*45*6.4 | 1.1 | 1.26*1.77*0.25 | 2.43 |
| CT51 | 51*36*7 | 1.75 | 2.01*1.42*0.28 | 3.86 |
| CT90B | 71*90*9.5 | 5.7 | 2.8*3.54*0.37 | 12.6 |
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Transportation
Water and wastewater treatment
Features:
Corrosion resistance
Low maintenance cost
Flame retardant
Low installation cost
Heavy metal resistant
Long service life
Non-conductive, non-heat-conductive
High strength-to-weight ratio
Raw material introduction — resin types
Code | Resin type | Flame retardant performance | Standard color | Recommended applications |
|---|---|---|---|---|
VEFR-25 | Vinyl ester type | Oxygen index 28 and above | Grass green, yellow, gray, orange | Acid, alkali and other harsh corrosive environments |
IFR-25 | Isophthalic type | Oxygen index 28 and above | Grass green, yellow, gray | An economical VEFR type with good performance and moderate acid, alkali and solvent resistance |
OFR-25 | Orthophthalic type | Oxygen index 28 and above | Grass green, yellow, gray | General acid and alkali environments |
Applications:
Greenlogy TEC (Nantong Greenlogy Electronic Technology Co., Ltd.) pultruded FRP profiles are widely used in various applications, combining corrosion resistance, high strength, dimensional stability and light weight with thermal insulation and non-conductive properties. Durable Greenlogy TEC (Nantong Greenlogy Electronic Technology Co., Ltd.) profiles provide years of low-maintenance service in areas traditionally using steel, aluminum or wood components. Today, these profiles are often used in highly corrosive applications that previously required stainless steel and other expensive components.
Greenlogy TEC (Nantong Greenlogy Electronic Technology Co., Ltd.) Profiles
Mechanical Properties | ASTM | Unit | Value | Unit | Value |
|---|---|---|---|---|---|
Tensile Stress, LW | D-638 | psi | 30000 | kgf/m² | 21092086 |
Tensile Stress, CW | D-638 | psi | 7000 | kgf/m² | 4921487 |
Tensile Modulus, LW | D-638 | 10^6psi | 2.5 | 10^6kgf/m² | 1758 |
Tensile Modulus, CW | D-638 |
10^6psi | 0.8 | 10^6kgf/m² | 562 |
Compressive Stress, LW | D-695 | psi | 30000 | kgf/m² | 21092086 |
Compressive Stress, CW | D-695 | psi | 15000 | kgf/m² | 10546043 |
Compressive Modulus, LW | D-695 | 10^6psi | 2.5 | 10^6kgf/m² | 1758 |
Compressive Modulus, CW | D-695 | 10^6psi | 1 | 10^6kgf/m² | 703 |
Flexural Stress, LW | D-790 | psi | 30000 | kgf/m² | 21092086 |
Flexural Stress, CW | D-790 | psi | 10000 | kgf/m² | 7030695 |
Flexural Modulus, LW | D-790 | 10^6psi | 1.8 | 10^6kgf/m² | 1266 |
Flexural Modulus, CW | D-790 | 10^6psi | 0.8 | 10^6kgf/m² | 562 |
Modulus of Elasticity | 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, LW | D-256 | ft.-lbs./in. | 25 |
kg/m | 3.46 |
Notched Izod impact, 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 |
Flame resistance* | 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
As a type of structural profile, the FRP quincunx tube is commonly used in frameworks and support parts requiring light weight, high strength and corrosion resistance, such as platform handrails, ladders, brackets and structural components in power and chemical environments. If you need to confirm suitability for specific operating conditions, please contact us to discuss.
Selection guidance
When selecting, match the cross-section size, wall thickness and length to the loading method, span, mounting interface and corrosion resistance requirements; different specifications differ in load capacity and self-weight. For specific specifications and selection advice, please contact us for detailed specifications and quotations.
Product advantages
The FRP quincunx tube is pultruded from glass fiber reinforcement and a resin system, offering a favorable strength-to-weight ratio, corrosion resistance and electrical insulation, making it suitable for replacing some traditional metal profiles. For different resin systems and surface treatment options, please contact us to confirm.
Inquiry guidance
If you would like to know the available specifications, size ranges, supply forms and commercial terms for the FRP quincunx tube, please provide your application scenario and required quantity, and we will recommend a suitable solution accordingly. You are welcome to contact us for detailed specifications and quotations.
Operating environment
- This pultruded FRP quincunx tube is a composite material using glass fiber as reinforcement, resin as binder and glass fiber cloth as reinforcement layer, so it is suitable for indoor and outdoor installations subject to moisture and weather exposure.
- Cured FRP profiles can withstand humid environments and the corrosive media typical of chemical, wastewater treatment and coastal plant environments, where steel profiles require continuous protection.
- Because the tube is formed with a closed quincunx cross-section, it is typically used as a structural member in high-strength, long-span applications such as industrial walkways, platforms and support frames.
- To learn about the service temperature range, chemical exposure conditions or UV requirements for a specific project, please contact Greenlogy TEC with your application details so that a suitable pultruded profile can be confirmed.
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.
