What cable management products does Qiongkai manufacture?

Qiongkai manufactures wire mesh (basket) cable trays, perforated and solid-bottom cable trays, ladder trays, heavy-duty series trays, cable trunking, conduit, tray accessories, strut channel in 41x21, 41x41, 41x62 and 41x82 profiles, seismic brackets and light-gauge metal stud framing.

Which finish should I choose: pre-galvanized, hot-dip galvanized, stainless steel or FRP?

Pre-galvanized and electro-galvanized steel suit dry indoor areas. Hot-dip galvanized steel is the common choice for outdoor and industrial plants. Stainless steel 304 suits food and clean environments, while 316/316L and FRP are preferred for coastal, offshore and chemical exposure. Our engineers can review your site conditions before you finalize the specification.

Can Qiongkai produce custom sizes and non-standard profiles?

Yes. With 12 assembly lines and about 60 heavy-duty machines across 3 factories, we produce custom widths, side heights, thicknesses, hole patterns and profiled sections, including a custom profiled section solution for an offshore LNG project in Qatar.

Which projects and markets has Qiongkai supplied?

References include corrosion-resistant CT series cable trunking for Shanghai Hongqiao International Airport, FRP cable trays for extreme conditions in Qatar and Thailand, FRP-lined steel trays for an outdoor project in Thailand, a heavy-duty tray solution for a large pig farm in Paraguay and HDG cable tray shipments to Italy.

How can I get the product catalog and technical drawings?

Use the Request a Catalog page to receive the latest Qiongkai catalog, or contact our export team by email at adam@shqiongkai.com or WhatsApp +86 13122439322 for drawings, load data and specification support.

Powder Coated Pre Galvanized Cable Trunking 300x100 RAL1080 Yellow Carbon Steel Trough Type Channel Wholesale Manufacturer Factory Price

Product Overview

The Powder coated cable trunking, also called fire spraying cable trunking, which has a layer of fire-resistant coating sprayed on the surface of a common cable trunking, endowing it with fire-proof and flame-retardant functions. When a fire breaks out, it can prevent the spread of fire for a certain period, protect the cable lines, ensure the normal operation of relevant electrical equipment during the fire, and gain time for personnel evacuation and fire-fighting and rescue.

Product Parameters

Brand	Qiongkai
Model Tag.	CT -
Type	Cable tray
Product Name	Perforated Cable Tray
Material	Carbon Steel / Stainless Steel 304 306L / Alumium Alloy
Origin	Shanghai, China
Perfortable Design	Customizable
Surface Treatment	Pre-galvanized / Hot-dip-galvanized / Powder Coated
Finish	Raw / HDG / Powder coated
Color	Silver / Powder coated design
Side Rail Height	25 - 600mm
Width	50 - 1000mm
Length	1 - 10m
Thickness	0.5 - 2.0mm
Certificates	ISO / CE
ODM	√
OEM	√

Shipping & Delivery Information

MOQ	50
Insurance	Customizable
Loading Port	Shanghai / Tianjin
Selling Units	Meters / Pcs
Max. Working Load	According to Size
Production Capacity	10,000 - 40,000 meters depend on product
Price Terms	LCL: EXW FCL: FOB / CIF / CFR / DDP & DDU
After-sales	Online technical support
Free Sample	√

Working Principle

The Powder coated cable trunking is mainly based on the characteristics of the fire - resistant coating. Under normal temperature, the coating formed by the fire - resistant coating plays a protective and decorative role on the cable trunking. When encountering high - temperature fire, the fire - resistant coating will undergo physical and chemical changes such as expansion and carbonization, forming a thick heat - insulating layer. This heat - insulating layer can effectively block the transfer of heat to the cable trunking and cables, slow down the heating rate of the cable trunking and cables, reduce the risk of cable damage or combustion due to high temperature, and thus extend the normal working time of the cables during a fire.

Structural Features

Good Coating Adhesion The fire - resistant coating is closely combined with the cable trunking substrate, forming a uniform and firm coating on the surface of the cable trunking, which is not easy to fall off. Whether during the installation process or long - term use, it can maintain a good adhesion state, ensuring the stability of the fire - proof performance.

Diverse Cable trunking Structures The cable trunking part of the fire - spraying cable trunking usually has various structural forms such as trough - type, ladder - type, and tray - type, which can be selected according to different usage scenarios and cable laying requirements. For example, the trough - type fire - spraying cable trunking has good sealing performance and is suitable for places with high requirements for cable protection and where dust and water vapor need to be prevented from entering; the ladder - type fire - spraying cable trunking has good air permeability, which is convenient for cable heat dissipation and is often used in places where there are a large number of cables and good heat - dissipation conditions are required.

High Mechanical Strength After spraying the fire - resistant coating, the cable trunking still maintains high mechanical strength and can bear the weight of the cables and various external forces during the installation and use process. Different specifications and materials of the cable trunking substrate can be selected according to the actual bearing requirements to ensure safe and reliable use under various working conditions.

Materials

Cable trunking Substrate Materials Generally, metal materials such as carbon steel and stainless steel are used. The carbon steel cable trunking has high strength and good economy, which makes it suitable for fire-proof requirements in general environments; the stainless steel cable trunking has better corrosion resistance and is suitable for harsh environments such as humid environments and those with corrosive media.

Fire - Resistant Coatings There are two main categories: organic fire-resistant coatings and inorganic fire-resistant coatings. Organic fire-resistant coatings have good adhesion and decorative properties and also have excellent fire-proof performance, but they may release certain harmful gases at high temperatures. Inorganic fire-resistant coatings use inorganic substances as the main film-forming materials and have the advantages of non-flammability, non-toxicity, and smokelessness, with good fire-proof and heat-insulating performance and strong durability.

Powder-coated materials can be provided in different colors from RAL color plate, such as Grey, Silver, Black, and Yellow, offering aesthetic appeal.

Certifications

Frequently Asked Questions

What is the difference between standard and powder-coated cable trunking?

Powder-coated cable trunking has an additional fire-resistant coating applied to the surface. It provides both corrosion resistance and fire-retardant capabilities, slowing heat transfer to internal cables during an active fire event.

Which cable trunking structural type should I choose?

Trough-type provides full enclosure to guard against dust and moisture, making it ideal for high protection requirements. Ladder-type ensures excellent airflow and heat dissipation, ideal for high cable densities.

Can the dimensions and coating color be customized?

Yes, dimensions such as side rail height (25-600mm), width (50-1000mm), and thickness (0.5-2.0mm) can be customized. Surface colors can be selected from standard RAL color palettes including Grey, Black, Silver, and Yellow.

Are free product samples available prior to order placement?

Yes, free samples are provided to help customers verify structure quality, coating thickness, and material finish before standard production.

What certifications do these cable trunking systems hold?

The systems are manufactured under strict standards and carry ISO and CE international quality and safety certifications.