✅ Professional Polymer Cable Tray Manufacturer in China
We are a professional manufacturer of polymer integrated trough-type cable trays (高分子一体式槽式电缆桥架) for EPC projects, power plants, petrochemical, oil & gas, metallurgy, water treatment, and industrial cable management applications. A polymer integrated trough-type cable tray is a non-metallic cable support system made from fiber-reinforced polymer (FRP/GRP) or high-performance polymer alloy materials, featuring a solid-bottom trough or channel design that provides superior protection for cables from dust, debris, moisture, and external elements[reference:0][reference:1]. Our polymer trough cable trays combine exceptional corrosion resistance, high strength-to-weight ratio, flame retardancy, electrical non-conductivity, UV resistance, and long service life. All products comply with UL568, NEMA FG-1:1993, ASTM D 3917, and GB/T 25477 standards, available in a wide range of widths, heights, and custom configurations for diverse project requirements[reference:2][reference:3][reference:4].
Anhui Tiankang Group has developed polymer alloy cable trays in accordance with the U.S. UL568 standard, featuring a double-layer hollow structure design and ASA double-layer co-extrusion technology[reference:5]. The double-layer hollow structure follows mechanical engineering principles, reducing the product's self-weight while enhancing load-bearing capacity and providing effective heat dissipation. The ASA co-extrusion process significantly improves the product's resistance to aging and UV radiation, extending the service life[reference:6][reference:7]. The surface features a matte/matte frosted finish that is more durable and wear-resistant[reference:8].
| Feature | Description |
|---|---|
| Corrosion Resistance | Highly resistant to acids, alkalis, salts, and chemicals; ideal for corrosive environments[reference:9] |
| Lightweight & High Strength | Remarkably lighter than steel (approx. 1/4 the weight), yet high mechanical strength[reference:10] |
| Non-Conductive / Non-Magnetic | Excellent electrical insulation; eliminates electromagnetic interference (EMI); no grounding required[reference:11][reference:12] |
| Flame Retardant | Self-extinguishing; oxygen index up to 44 (Class 1 flame retardant, extinguishes within 1 second)[reference:13] |
| UV & Weather Resistance | ASA co-extrusion process ensures excellent resistance to UV radiation and weathering[reference:14] |
| Low Thermal Conductivity | Double-wall hollow structure provides effective heat dissipation and thermal insulation[reference:15] |
| Durable & Long Service Life | Resists corrosion, chemicals, and environmental factors; decades of reliable performance[reference:16] |
| Low Maintenance | Does not rust or corrode; requires no regular painting or maintenance[reference:17] |
| Easy Installation | Easy to cut, drill, and install on site; no bolting required for assembly[reference:18] |
| Environmentally Friendly | Recyclable materials; "Plastic instead of Steel" energy-saving policy compliance[reference:19][reference:20] |
| Parameter | Specification Range |
|---|---|
| Standards | UL568, NEMA FG-1:1993 Rev.1, ASTM D 3917, GB/T 25477[reference:21][reference:22] |
| Material | FRP/GRP (Fiberglass Reinforced Polymer) / Polymer Alloy / Polyester or Vinyl Ester Resin[reference:23] |
| Tray Type | Integrated Trough Type / Solid-Bottom Channel Type (一体式槽式)[reference:24][reference:25] |
| Tray Width | 150mm, 200mm, 300mm, 400mm, 450mm, 500mm, 600mm, 750mm, 900mm (custom up to 1200mm) |
| Side Rail Height | 50mm, 75mm, 100mm, 150mm, 200mm, 300mm |
| Wall Thickness | 2.5mm ~ 5.0mm (depending on size and load requirements)[reference:26] |
| Standard Length | 2m, 2.5m, 3m (custom lengths available) |
| Support Span | 2.5m ~ 3m standard (up to 8m for large-span)[reference:27] |
| Load Capacity (Light Duty) | Up to 50 kg/m (small cables and light installations)[reference:28] |
| Load Capacity (Medium Duty) | 50 kg/m ~ 100 kg/m (most commercial and industrial applications)[reference:29] |
| Load Capacity (Heavy Duty) | Over 100 kg/m (large cables and high-density layouts)[reference:30] |
| Safety Factor | 1.5 ~ 2.0 per NEMA FG-1[reference:31][reference:32] |
| Oxygen Index | Up to 44 (Class 1 flame retardant, self-extinguishing within 1 second)[reference:33] |
| Fire Retardancy Rating | UL 94-V0 (stops burning within 10 seconds)[reference:34] |
| Temperature Range | -40°C ~ +60°C (standard) / up to +120°C (high-temp version)[reference:35] |
| Surface Finish | Smooth matte / Matte frosted (磨砂哑光) / Textured / UV-resistant[reference:36] |
| Color | RAL 7035 (Light Grey) / Dove Grey / Dark Grey / Custom colors[reference:37] |
| Application | Power plants, petrochemical, oil & gas, metallurgy, water treatment, EPC projects, coastal/marine, data centers, renewable energy[reference:38] |
* Custom specifications are available upon request for EPC project tenders.
| Code Segment | Meaning | Options |
|---|---|---|
| TK | Company Code | Tiankang (天康)[reference:39] |
| P | Bridge Code / Material | Polymer / FRP[reference:40] |
| Structure | Tray Structure Type | C (Trough / 槽式) / T (Ladder / 梯式) / P (Perforated / 托盘式)[reference:41] |
| Width × Height | Tray Dimensions | e.g., 200×100, 300×150, 600×100 |
Example: TK P C 600×150 = Tiankang Polymer Integrated Trough-type Cable Tray, 600mm width × 150mm height
| Width (mm) | Height (mm) | Thickness (mm) | Load Capacity (kg/m) | Support Span |
|---|---|---|---|---|
| 150 | 100 | 3.0 | 30 | 2.5m |
| 300 | 100 | 3.5 | 60 | 2.5m |
| 400 | 100 | 4.0 | 75 | 2.5m |
| 500 | 100 | 4.2 | 85 | 2.5m |
| 600 | 150 | 4.7 | 90 | 2.5m |
| 750 | 150 | 5.0 | 120 | 2.5m |
| 900 | 200 | 5.0 | 150 | 2.5m |
| Custom | Custom | Engineered | Engineered | Up to 3m |
| Accessory | Function |
|---|---|
| Horizontal Elbow (水平弯通) | 90° or 45° horizontal direction change |
| Vertical Riser (垂直弯通) | 90° vertical direction change (inside/outside) |
| Horizontal Tee (水平三通) | T-junction for three-way cable routing |
| Reducer (变径接头) | Transition between different tray sizes |
| Splice Plate (连接片) | Connects two tray sections end-to-end[reference:42] |
| End Plate (端头封板) | Closes the end of a tray run[reference:43] |
| Support Bracket / Clevis | Wall/ceiling/floor mounting support[reference:44] |
| Cable Cover (盖板) | Protection from UV, dust, debris, moisture[reference:45] |
| Stainless Steel 316 Fasteners | Corrosion-resistant bolts, nuts, washers |
| Application Condition | Recommended Type | Reason |
|---|---|---|
| Corrosive / Chemical environments | Polymer Trough Tray | Superior chemical resistance; no rust or corrosion[reference:46] |
| Coastal / Marine / Offshore | Polymer Trough Tray | Salt water resistant; UV stabilized[reference:47] |
| Sensitive / Instrumentation / Control Cables | Trough Type (Solid Bottom) | Superior protection from dust, debris, EMI[reference:48][reference:49] |
| Indoor / Clean environments | Trough Type with Cover | Complete cable protection and containment |
| Outdoor / Exposed installations | Polymer Trough Tray (UV-stabilized) | ASA co-extrusion; excellent UV resistance[reference:50] |
| Heavy cable loads / Long spans | Polymer Trough Tray (Heavy Duty) | High strength-to-weight ratio; up to 150 kg/m load[reference:51] |
Q1: What is a polymer integrated trough-type cable tray?
A: A polymer integrated trough-type cable tray (高分子一体式槽式电缆桥架) is a non-metallic cable support system made from fiber-reinforced polymer (FRP/GRP) or high-performance polymer alloy materials. It features a solid-bottom trough or U-shaped channel design that provides complete containment and superior protection for cables from dust, debris, moisture, and external elements[reference:52][reference:53].
Q2: What are the main types of polymer cable trays?
A: The main types include: Trough Type (槽式) — solid-bottom channel for sensitive cables and dust protection[reference:54]; Ladder Type (梯式) — open structure for heat dissipation and heavy loads; and Perforated Type (托盘式) — ventilated bottom for medium loads[reference:55].
Q3: What is the difference between trough type and ladder type cable trays?
A: Trough type (槽式) has a solid bottom that fully encloses cables, providing superior protection from dust, debris, and falling objects — ideal for control cables, communication cables, and instrumentation circuits[reference:56][reference:57]. Ladder type (梯式) has an open rung structure allowing maximum ventilation and heat dissipation — ideal for power cables and high-temperature zones.
Q4: What materials are polymer cable trays made from?
A: Polymer cable trays are manufactured from FRP/GRP (Fiberglass Reinforced Polymer) with polyester or vinyl ester resin systems[reference:58], or polymer alloy materials using advanced ASA co-extrusion technology[reference:59]. These materials provide excellent corrosion resistance, high strength, and long service life[reference:60].
Q5: What standards do your polymer trough cable trays comply with?
A: Our polymer cable trays are manufactured in compliance with UL568 (American standard for non-metallic cable trays)[reference:61][reference:62], NEMA FG-1:1993 Rev.1 (fiberglass cable tray systems)[reference:63], ASTM D 3917, and GB/T 25477.
Q6: What sizes are available for polymer trough-type cable trays?
A: Standard widths: 150mm, 200mm, 300mm, 400mm, 450mm, 500mm, 600mm, 750mm, 900mm (custom up to 1200mm). Standard heights: 50mm, 75mm, 100mm, 150mm, 200mm, 300mm. Wall thickness: 2.5mm to 5.0mm depending on size and load requirements[reference:64].
Q7: What is the load capacity of polymer trough-type cable trays?
A: Load capacity is classified into three duty levels: Light Duty — up to 50 kg/m (small cables)[reference:65]; Medium Duty — 50-100 kg/m (most commercial/industrial)[reference:66]; Heavy Duty — over 100 kg/m (large cables and high-density layouts)[reference:67]. All loads include a minimum safety factor of 1.5 per NEMA FG-1[reference:68][reference:69].
Q8: What are the key advantages of polymer cable trays over metal cable trays?
A: Key advantages include: Corrosion resistance — no rust in chemical or marine environments[reference:70]; Lightweight — approx. 1/4 the weight of steel[reference:71]; Non-conductive — eliminates EMI and no grounding required[reference:72][reference:73]; Flame retardant — self-extinguishing with oxygen index up to 44[reference:74]; UV resistant — ASA co-extrusion for superior weathering[reference:75]; Low maintenance — no painting required[reference:76]; and "Plastic instead of Steel" — energy-saving and environmentally friendly[reference:77].
Q9: What is the double-layer hollow structure design?
A: The double-layer hollow structure (双层中空结构) is a patented design feature of Anhui Tiankang's polymer cable trays. It follows mechanical engineering principles to reduce product self-weight while enhancing load-bearing capacity. It also provides effective heat dissipation by creating airflow between the layers and acts as a thermal barrier to prevent heat transfer to cables[reference:78][reference:79].
Q10: What is the ASA double-layer co-extrusion technology?
A: ASA double-layer co-extrusion is an advanced manufacturing process that applies an ASA (Acrylonitrile Styrene Acrylate) outer layer over the polymer substrate. This technology significantly improves the product's resistance to aging and UV radiation, extending the service life. The surface features a matte frosted finish that is more durable and wear-resistant[reference:80].
Q11: Are polymer cable trays flame retardant?
A: Yes. Our polymer cable trays are Class 1 flame retardant with an oxygen index up to 44 — the material self-extinguishes within 1 second after the flame is removed[reference:81]. They also meet UL 94-V0 rating, meaning they stop burning within 10 seconds[reference:82].
Q12: Are polymer cable trays suitable for outdoor use?
A: Yes. Our polymer cable trays feature UV-resistant ASA co-extrusion that provides excellent resistance to ultraviolet radiation and weathering. They are ideal for outdoor corridors, coastal installations, solar farms, and exposed industrial walkways[reference:83][reference:84].
Q13: What is the temperature range for polymer cable trays?
A: Standard polymer cable trays operate from -40°C to +60°C[reference:85]. High-temperature versions are available for applications up to +120°C.
Q14: What accessories are available for polymer trough cable tray systems?
A: We offer a complete range of accessories including: Horizontal elbows (90°/45°), vertical risers, horizontal tees, reducers, splice plates[reference:86], end plates[reference:87], support brackets[reference:88], cable covers[reference:89], and stainless steel 316 fasteners.
Q15: What are the typical applications of polymer trough-type cable trays?
A: Polymer trough-type cable trays are widely used in: Power plants — power and control cable routing; Petrochemical plants — corrosion-resistant cable support; Oil & gas — offshore and onshore installations; Water/wastewater treatment; Coastal and marine environments[reference:90]; Data centers; Renewable energy projects; and EPC projects — comprehensive cable management solutions.
Q16: Do polymer cable trays require grounding?
A: No. Polymer cable trays are non-conductive and non-magnetic, providing excellent electrical insulation. Unlike metal cable trays, they do not require grounding[reference:91][reference:92]. This eliminates the risk of electrical interference and simplifies installation.
Q17: How do I select the right polymer trough cable tray for my project?
A: Key selection factors include: (1) Cable type and quantity — determine required width; (2) Load requirements — total cable weight and support span; (3) Environmental conditions — corrosion, temperature, UV exposure; (4) Protection requirements — dust/debris protection (trough type recommended for sensitive cables); (5) Installation type — indoor, outdoor, underground, or elevated; (6) Accessories needed — elbows, tees, reducers, covers; (7) Standards compliance — UL568, NEMA FG-1, etc.
Q18: What tests are performed on polymer cable trays before delivery?
A: We conduct comprehensive quality tests including: (1) Load capacity test — per NEMA FG-1 standards[reference:93]; (2) Flame retardant test — oxygen index and UL 94-V0; (3) Corrosion resistance test — salt spray testing; (4) Dimensional inspection — width, height, thickness; (5) UV resistance test — weathering performance; and (6) Electrical insulation test — non-conductive verification.
Q19: Do you support EPC projects with technical documentation?
A: Yes. We provide full technical support for EPC projects, including datasheets, load calculation reports, type test reports, factory acceptance tests (FAT), material traceability documentation, shop drawings, and custom design based on project cable routing requirements and specifications.
Q20: Can you provide custom polymer trough cable tray configurations?
A: Yes. We offer fully customized polymer cable tray solutions including custom widths, heights, lengths, wall thicknesses, colors, materials (polyester/vinyl ester), surface finishes, and accessories. Our engineering team works closely with EPC contractors to develop cable tray systems that meet specific project technical requirements, load conditions, and installation constraints.
Send your project specification, cable routing requirements, or cable tray schedule. Our engineering team will reply with a customized solution, BOM & datasheet within 24 hours.
WhatsApp / Zalo: +86 17856068126 | Email: [email protected]
Founded in 1974, Anhui Tiankang Group is a cross-industry and diversified conglomerate. Its core products cover instruments and meters, optical and e...
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