✅ Professional Polymer Cable Tray Manufacturer in China
We are a professional manufacturer of polymer ladder-type cable trays (高分子合金电缆桥架) for EPC projects, power plants, petrochemical, oil & gas, metallurgy, water treatment, and industrial cable management applications. A polymer ladder-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 ladder-like structure with two parallel side rails connected by regularly spaced rungs[reference:4][reference:5]. Our polymer cable trays offer exceptional corrosion resistance, high strength-to-weight ratio, flame retardancy, electrical non-conductivity, UV resistance, and long service life[reference:6][reference:7]. All products comply with UL568, NEMA FG-1:1993, ASTM D 3917, and GB/T 25477 standards[reference:8][reference:9], available in a wide range of widths, heights, and custom configurations for diverse project requirements.
The polymer alloy cable tray developed by Anhui Tiankang Group in accordance with the US UL568 standard features a double-layer hollow structure design and an ASA double-layer co-extrusion process. The double-layer hollow structure, based on principles of structural mechanics, reduces the product's dead weight while enhancing its load-bearing capacity, and simultaneously ensures effective heat dissipation. Moreover, the adoption of the ASA double-layer co-extrusion process greatly improves the product's resistance to aging and ultraviolet (UV) radiation, thereby extending its service life.[reference:10][reference:11]。
| Feature | Description |
|---|---|
| Corrosion Resistance | Highly resistant to acids, alkalis, salts, and chemicals; ideal for corrosive environments[reference:12][reference:13] |
| Lightweight & High Strength | Remarkably lighter than steel (approx. 1/4 the weight), yet high mechanical strength[reference:14] |
| Non-Conductive / Non-Magnetic | Excellent electrical insulation; eliminates electromagnetic interference (EMI) issues[reference:15][reference:16] |
| Flame Retardant | Self-extinguishing; oxygen index up to 44 (Class 1 flame retardant)[reference:17] |
| UV & Weather Resistance | ASA co-extrusion process ensures excellent resistance to UV radiation and weathering[reference:18][reference:19] |
| Low Thermal Conductivity | Reduces heat transfer along the cable tray; double-wall structure provides effective heat dissipation[reference:20][reference:21] |
| Durable & Long Service Life | Resists corrosion, chemicals, and environmental factors; decades of reliable performance[reference:22] |
| Low Maintenance | Does not rust or corrode; requires no regular painting or maintenance[reference:23] |
| Easy Installation | Easy to cut, drill, and install on site; no bolting required for assembly[reference:24][reference:25] |
| Environmentally Friendly | Recyclable materials; no toxic emissions during production or use[reference:26] |
| Parameter | Specification Range |
|---|---|
| Standards | UL568, NEMA FG-1:1993 Rev.1, ASTM D 3917, GB/T 25477, PR EN 13709[reference:27][reference:28] |
| Material | FRP/GRP (Fiberglass Reinforced Polymer) / Polymer Alloy / Polyester or Vinyl Ester Resin[reference:29][reference:30] |
| Tray Type | Ladder Type (梯式) with side rails and rungs[reference:31] |
| Tray Width | 150mm, 200mm, 300mm, 400mm, 450mm, 500mm, 600mm, 750mm, 900mm (custom up to 1200mm)[reference:32][reference:33][reference:34][reference:35] |
| Side Rail Height | 50mm, 75mm, 100mm, 150mm, 200mm, 300mm[reference:36][reference:37][reference:38] |
| Standard Length | 2m, 2.5m, 3m (custom lengths available)[reference:39][reference:40][reference:41] |
| Thickness | 3mm ~ 6mm[reference:42][reference:43][reference:44] |
| Rung Spacing | 200mm or 300mm (customizable)[reference:45] |
| Support Span | 2.5m ~ 3m standard[reference:46][reference:47] |
| Load Capacity | 300mm width: 60 kg/m · 450mm: 75 kg/m · 600mm: 90 kg/m · 750mm: 120 kg/m · 900mm: 150 kg/m[reference:48] |
| Safety Factor | 1.5 ~ 2.0 per NEMA FG-1[reference:49] |
| Oxygen Index | Up to 44 (Class 1 flame retardant, self-extinguishing within 1 second)[reference:50] |
| Temperature Range | -40°C ~ +120°C (standard) / up to +150°C (high-temp version) |
| Surface Finish | Smooth matte (磨砂哑光) / Textured / UV-resistant[reference:51][reference:52] |
| Color | Dove Grey / Dark Grey / Custom colors[reference:53][reference:54] |
| Application | Power plants, petrochemical, oil & gas, metallurgy, water treatment, EPC projects, coastal/marine, data centers, renewable energy[reference:55] |
* Custom specifications are available upon request for EPC project tenders.
| Code Segment | Meaning | Options |
|---|---|---|
| TK | Company Code (天康) | Tiankang |
| P | Bridge Code / Material | Polymer / FRP |
| Structure | Tray Structure Type | D (Double-sided) / FX (夹芯) / ZH (组合) / C (槽式) / T (梯式) / P (托盘式) / DQ (大跨距)[reference:56] |
| Width × Height | Tray Dimensions | e.g., 200×100, 300×150, 600×100[reference:57] |
Example: TK P T 600×150 = Tiankang Polymer Ladder-type Cable Tray, 600mm width × 150mm height[reference:58]
| Width (mm) | Height (mm) | Load Capacity (kg/m) | Support Span |
|---|---|---|---|
| 150 | 75 | 30 | 2.5m[reference:59] |
| 300 | 100 | 60 | 2.5m[reference:60][reference:61] |
| 450 | 100 | 75 | 2.5m[reference:62] |
| 600 | 100/150 | 90 | 2.5m[reference:63] |
| 750 | 100/150 | 120 | 2.5m[reference:64] |
| 900 | 150/200 | 150 | 2.5m[reference:65] |
| Custom | Custom | Engineered | Up to 3m[reference:66] |
| Accessory | Function |
|---|---|
| Horizontal Elbow (水平弯通) | 90° or 45° horizontal direction change[reference:67] |
| Vertical Riser (垂直弯通) | 90° vertical direction change (inside/outside)[reference:68] |
| Horizontal Tee (水平三通) | T-junction for three-way cable routing[reference:69] |
| Reducer (变径接头) | Transition between different tray sizes[reference:70] |
| Splice Plate (连接片) | Connects two tray sections end-to-end[reference:71] |
| End Plate (端头封板) | Closes the end of a tray run[reference:72] |
| Support Bracket / Clevis | Wall/ceiling/floor mounting support[reference:73] |
| Cable Cover (盖板) | Protection from UV, dust, debris, moisture[reference:74] |
| Stainless Steel 316 Fasteners | Corrosion-resistant bolts, nuts, washers[reference:75] |
| Application Condition | Recommended Type | Reason |
|---|---|---|
| Corrosive / Chemical environments | Polymer / FRP Ladder Tray | Superior chemical resistance; no rust or corrosion[reference:76] |
| Coastal / Marine / Offshore | Polymer / FRP Ladder Tray | Salt water resistant; UV stabilized[reference:77][reference:78] |
| Power plants / High-temperature zones | Polymer Ladder Tray (High-temp) | Heat dissipation through open rung structure[reference:79] |
| Heavy cable loads / Long spans | Polymer / FRP Ladder Tray | High strength-to-weight ratio; up to 150 kg/m load[reference:80] |
| Sensitive / Instrumentation cables | Polymer / FRP Ladder Tray | Non-conductive; eliminates EMI interference[reference:81] |
| Outdoor / Exposed installations | Polymer Ladder Tray (UV-stabilized) | ASA co-extrusion; excellent UV resistance[reference:82] |
Q1: What is a polymer ladder-type cable tray?
A: A polymer ladder-type cable tray (高分子梯式电缆桥架) is a non-metallic cable support system made from fiber-reinforced polymer (FRP/GRP) or high-performance polymer alloy materials. It features a ladder-like structure with two parallel side rails connected by regularly spaced rungs, providing an open framework for supporting and organizing cables[reference:83][reference:84].
Q2: What are the main types of polymer cable trays?
A: The main types include: Ladder Type (梯式) — open structure for heavy cables and heat dissipation[reference:85]; Trough Type (槽式) — fully enclosed for sensitive cables[reference:86]; Perforated/Tray Type (托盘式) — ventilated bottom for medium loads[reference:87]; and Large Span Type (大跨距) — for long unsupported spans up to 8m[reference:88].
Q3: 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:89][reference:90], or polymer alloy materials using advanced ASA co-extrusion technology[reference:91]. These materials provide excellent corrosion resistance, high strength, and long service life[reference:92].
Q4: What standards do your polymer cable trays comply with?
A: Our polymer cable trays are manufactured in compliance with UL568 (American standard for non-metallic cable trays)[reference:93][reference:94], NEMA FG-1:1993 Rev.1 (fiberglass cable tray systems)[reference:95][reference:96], ASTM D 3917[reference:97], GB/T 25477 (anti-corrosion magnetic flip level gauge), and PR EN 13709[reference:98].
Q5: What sizes are available for polymer ladder-type cable trays?
A: Standard widths: 150mm, 200mm, 300mm, 400mm, 450mm, 500mm, 600mm, 750mm, 900mm (custom up to 1200mm)[reference:99][reference:100][reference:101]. Standard heights: 50mm, 75mm, 100mm, 150mm, 200mm, 300mm[reference:102][reference:103]. Standard lengths: 2m, 2.5m, 3m (custom available)[reference:104][reference:105][reference:106].
Q6: What is the load capacity of polymer ladder-type cable trays?
A: Load capacity depends on width and support span. Typical capacities at 2.5m span: 300mm width: 60 kg/m · 450mm: 75 kg/m · 600mm: 90 kg/m · 750mm: 120 kg/m · 900mm: 150 kg/m[reference:107]. All loads include a minimum safety factor of 1.5 per NEMA FG-1[reference:108].
Q7: 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:109]; Lightweight — approx. 1/4 the weight of steel[reference:110]; Non-conductive — eliminates EMI and electrical safety issues[reference:111]; Flame retardant — self-extinguishing[reference:112]; UV resistant — no degradation from sunlight[reference:113]; Low maintenance — no painting or coating required[reference:114]; and Long service life — decades of reliable performance[reference:115].
Q8: What is the difference between FRP and polymer alloy cable trays?
A: FRP (Fiberglass Reinforced Polymer) cable trays are made from glass fibers embedded in a polymer resin matrix — offering high strength and corrosion resistance[reference:116]. Polymer alloy cable trays (如安徽天康高分子合金桥架) use advanced ASA co-extrusion technology with a double-wall hollow structure, providing superior UV resistance, impact strength, and heat dissipation[reference:117][reference:118].
Q9: 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:119]. This meets stringent fire safety requirements for industrial and commercial installations[reference:120].
Q10: 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[reference:121][reference:122]. They are ideal for outdoor corridors, coastal installations, solar farms, and exposed industrial walkways[reference:123].
Q11: What is the temperature range for polymer cable trays?
A: Standard polymer cable trays operate from -40°C to +120°C. High-temperature versions are available for applications up to +150°C[reference:124].
Q12: What is the rung spacing on ladder-type cable trays?
A: Standard rung spacing is 200mm or 300mm, with custom spacing available upon request[reference:125].
Q13: What accessories are available for polymer cable tray systems?
A: We offer a complete range of accessories including: Horizontal elbows (90°/45°), vertical risers, horizontal tees, reducers, splice plates, end plates, support brackets, cable covers, and stainless steel 316 fasteners[reference:126].
Q14: What is the difference between ladder type and trough type cable trays?
A: Ladder type (梯式) has an open rung structure providing maximum ventilation and easy cable inspection — ideal for power cables, high-temperature zones, and heavy loads[reference:127][reference:128]. Trough type (槽式) is fully enclosed for sensitive cables (computer, communication, thermocouple) requiring protection from interference and environmental factors[reference:129].
Q15: Do you offer large-span polymer cable trays?
A: Yes. Our large-span polymer cable trays are designed for unsupported spans up to 8 meters (or longer), significantly reducing the number of supports required[reference:130]. They are ideal for long cable runs, bridges, and pipe racks.
Q16: What are the typical applications of polymer ladder-type cable trays?
A: Polymer ladder-type cable trays are widely used in: Power plants — power and control cable routing[reference:131]; Petrochemical plants — corrosion-resistant cable support[reference:132]; Oil & gas — offshore and onshore installations[reference:133]; Water/wastewater treatment[reference:134]; Coastal and marine environments[reference:135]; Data centers[reference:136]; Renewable energy projects[reference:137]; and EPC projects — comprehensive cable management solutions[reference:138].
Q17: How do I select the right polymer 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[reference:139]; (3) Environmental conditions — corrosion, temperature, UV exposure; (4) Installation type — indoor, outdoor, underground, or elevated; (5) Tray type — ladder, trough, or perforated; (6) Accessories needed — elbows, tees, reducers; (7) Standards compliance — UL568, NEMA FG-1, etc.[reference:140]
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:141]; (2) Flame retardant test — oxygen index and self-extinguishing[reference:142]; (3) Corrosion resistance test — salt spray testing[reference:143]; (4) Dimensional inspection — width, height, thickness, rung spacing[reference:144]; (5) UV resistance test — weathering performance[reference:145]; and (6) Electrical insulation test — non-conductive verification[reference:146].
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[reference:147]. We are a trusted partner for global EPC contractors in power, petrochemical, oil & gas, and infrastructure sectors.
Q20: Can you provide custom polymer cable tray configurations?
A: Yes. We offer fully customized polymer cable tray solutions including custom widths, heights, lengths, rung spacing, colors, materials (polyester/vinyl ester), surface finishes, and accessories[reference:148]. Our engineering team works closely with EPC contractors to develop cable tray systems that meet specific project technical requirements, load conditions, and installation constraints[reference:149].
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.
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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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