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Ctube 20-50mm Heavy Duty Flexible Corrugated LSZH Conduit

Quality Certification:

- Conforms to IEC61386-1, IEC61386-21 IEC60754-1,IEC61034-2, UL94 Approved

Ctube 20-50mm Heavy Duty Flexible Corrugated LSZH Conduit

Product Details


Thickness:CustomizedOD Range:20-50mm
Certification:RoHS, CE, SGS, ISOColor:Gray or customized
Fire Resistance:V0UV Resistance:Yes
Conductivity:InsulatedHardness:Flexible & impact-resistant
Packing:Plastic bags & PE filmsSample:Free
Country:ChinaFactory:Dongguan, Guangdong


- Produces very low levels of smoke and is essentially halogen-free.

- Heavy-duty resistant to max 1250 Nt/5cm compression.

- Meets IEC61386-1, IEC61386-21 IEC60754-1,IEC61034-2, UL94.

- Resistant to impact, sunlight, and fire.

- Glossy and smooth surface and interior.

- Durable non-conductive halogen-free thermoplastic will not rust or corrode.

- Suitable for both above and below ground applications.


Ctube Flexible Corrugated LSZH Conduit is generally used to encase wires, helping to reduce the risks of electrical hazards, such as electrocution. Corrugated electrical conduit is a staple item used by electricians and other contractors for cost-effective cable protection. Designed to protect and route electrical wiring. It possesses excellent insulative properties, making it ideal for protecting electrical wiring. Its solid construction, chemical resistance and flame retardance offer protection in harsh environments. The product gives off no toxic fumes or gases and releases no toxic halogens.

Manufacturing Capability

- Production capacity: 10000 meters per week

- Packaging methods: plastic bags & PE films

Ctube UL listed pvc conduits packed on the shelf and the workshop


7 product certifiations owned by Ctube

Size Chart

Product CodeNominal SizeMin ODMax ODMin IDWeight






Additional properties

1. What is your MOQ?
    - The MOQ of this product is usually 3000 meters.

2. What is your delivery time?
    - It depends on the location. Normally the delivery time is around 15-30 days in North America.

3. What is the shipping port?
    - We usually ship the cargo via Shenzhen and Guangzhou.

4. What is your payment term?
    - We accept 50% T/T in advance, 50% balance, or 100% L/C.

5. How should I contact you?
    - You can contact us by submitting an inquiry form here. →
contact us

6. How about the samples?
    - Normally we can provide free samples unless you require too many. 

OEM Service: Markings, thicknesses and colors of products can be customized.

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