70x20mm, 90x20mm
Yes
CE, ISO, IATF16949
Steel Structure
Villa
0.38-0.4
Galvanized
70mm, 90mm
Post Tension
5.8m / PCS ( Customisable )
Villa, Dormitories, Temporary Offices
ISO9001, CE
Customized
1-3 Year
Available
Round, Flat
15- 20 Days
Container
Availble
Available
JNFLEX
Stardard Export Package
70 x 20 mm; 90 x 20 mm
Changzhou; Jiangsu; China
7306900090
Product Description
70 90 Galvanied Smooth Flat Duct Post Tension Corrugated Galvanized Flat Duct
Model NO. | 70x20mm,90x20mm | Thickness : | 0.38-0.4mm |
Dia. | 70mm,90mm | Length : | 5.8m/PCS(Customisable) |
Application : | Post Tension | Trademark : | JNFLEX |
Origin : | changzhou, China | Transport Package : | Stardard Export Package |
Surface Treatment : | Galvanized | Product to Be Used for : | PC Strand Grouting Work |
HS Code : | 7306900090 | Production Capacity : | 3000 Meter/Meters Per Day |
Galvanized Post tension Flat duct(0.38mm-0.4mm thick)

Post tension Flat duct is used as a duct former for a variety of precast and cast-in-situ concrete work. The semi-rigid hot dipped galvanized metal duct is strong and durable for casting into concrete and is easily tied into position adjacent to reinforcing steel. Corrugated Duct can be used for post tensioning ducts and precast connections.

Specifications:
Category: | Round and flat |
Dimension: | Flat size 70x20-90x20mm |
Application: | Post-tensioning pre-stressed concrete construction and infrastructure projects, such as bridges, viaducts, multi-story industrial building, dam, mine etc. |
Packing: | 1.in bundles, 2.with containers, 3.standard seaworthy exported packaging or as the customer's request. |
Deliery time: | Nomally within 20days after receiving the deposit or the copy of L/C at sight. |
Most popular size: | 70*20mm,90*20mm |













Q1: Can you supply stocks? Can you deal small orders?
A1: Yes, we can.Small orders can also be accepted.
Q2: Do you provide samples ? is it free or extra ?
A2: Yes, we can offer samples free of charge. But the express cost should be on buyer's account.
Q3: Do you make the duct in-house?
A3: Yes, we have our own factory so the ducts are produced by our own workers.
Q4: Weight of duct per meter?
A4: The weight of duct per meter is 0.57kg.
Q5: Which port do you send from?
A5: Normally we ship from Shanghai port, any other port is also available.