orange inner size 60mm Spiral plastic corrugated duct for Highway Bridge

Prestressed corrugated pipe is a new type of pore-forming materials applicable to bridge engineering and the raw material is HDPE, which is mainly used in post-tensioned prestressed concrete structure. Prestressed corrugated pipe is the pore-forming pipeline of prestressed concrete reinforcement. The executive standard is JT/T529-2004.

1.Characteristics of plastic corrugated pipe

(1)  Using HDPE as main raw material, plastic corrugated pipe is featured by high corrosion resistance, ageing resistance and fatigue durability.

(2)  Excellent sealing and impervious performance, which is applicable to vacuum grouting.

(3)  Plastic corrugated pipes are black or yellow and no defects like hard lump or severe bubble are allowed.

(4)  Plastic corrugated pipe is featured by good flexibility and wearing quality. The suggested spacing between spacer bar is no more than 0.8m and the minimum bending radius is 0.9-1.5m.

2.Technical parameters:

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Q1: What is your payment terms:

  A1: TT FOB: 30% deposite, balance before shipment. TT CIF: 30% deposite, balance based on scanned

  BL.LC 100% at sight

Q2: Can you supply stocks? Can you deal small orders?

  A2: Yes, we can.Small orders can also be accepted.
Q3: Do you provide samples ? is it free or extra ?

  A3: Yes, we can offer samples free of charge. But the express cost should be on buyer's account.

Q4: If found the product with substardard quality. How can you solve it?

  A4: The buyer will be required to submit proof file, picture, video of the said substandard cargo to 

  us first. We can also send our engineer to your field to check it directly, if necessary.

Q5: If accept OEM service to made product as per buyer offering drawing?

  A5: Yes, we can offer OEM service. manufacture product as per buyer's offering drawing.