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How to Identify Fake or Low-Grade HDPE Coils before Buying

How to Identify Fake or Low-Grade HDPE Coils before Buying

HDPE Coils Manufacturers

High density polyethylene coils have become essential is water supply network like agricultural irrigation, cable ducting and industrial piping. The strength, flexibility and resistance to damage makes them a top choice in various industries. However with the rising demand, the market has also seen the rush in fake or low grade HDPE coils which is being offered at tempting price. Using the inferior or low quality product can lead to frequent leaks, system breakdowns and expensive repair.

As a reliable HDPE Coils Manufacturers, we at Ashish pipes believes in educating customer so that they can make an informed decision and safe choice. Here is a detailed guide to identify fake or low grade HDPE coils:

  • Verify the Manufacturer’s Capability:

The first step is to determine whether the product is coming from reputable HDPE Coils Manufacturers who maintains transparency with regard to the production method, raw materials and certification.
Things to Verify:
• BIS and ISI accreditation
• Customer reviews and the brand’s standing in the marketplace
• Availability of essential papers, including test results and quality assurance certifications.


It is concerning if the manufacturer is unknown, withholds information, or refuses to share certification.

  • Examine the Surface and Finish: 
    The genuine HDPE coil has a uniform, smooth finish. Conversely, inferior or counterfeit coils often have obvious defects.
    Things to Verify:
  • Air bubbles trapped in pipe walls
  • uneven surfaces or uneven textures
  • Apparent burn marks from poor construction and color fluctuation or uneven patches

These issues are usually caused by subpar material or an incorrect ejection procedure.

  • Check The Coil Weight & Thickness:

The genuine HDPE coil follows to strict guidelines regarding weight and wall thickness. The fake products often compromise thickness to cut cost.

What to Check:

  • Measure the actual thickness against the standard dimension ratio according to industry standards.
  • If a coil feels lighter than expected it is likely made from recycled or mixed material.

Always request a datasheet to confirm whether the product matches the manufacturer’s specification.

  • Bend & Flexibility Test:

One of the biggest perk of HDPE coil is how flexible they are as the low quality coils usually cracks or get stress marks when you bend them.

What to Check:

  • Bend a coil slightly the genuine HDPE pipe retains the shape without cracking.
  • Fake pipes will produce a breaking noise or snow white stripes.

This simple test can quickly reveal a lot of fake products.

  • Smell & Texture Of Material:

The reliable HDPE Coils Manufacturers produces scentless or waxy texture coils. If the coil emits a strong chemical smell this coil might have used a recycled plastic or fillers.

What to Check:

  • Strong or bad smell
  • Greasy or fragile texture

These materials break down quickly and are not safe for drinking water and irrigation facilities.

  • Ask For Test Reports:

The trustworthy and authentic HDPE Coils Manufacturers provides test certificate such as:

What to Check:

  • Hydrostatic Pressure Test
  • Density Test
  • Melt Flow Index Test

If the seller cannot provide these reports the product may not meet the quality standards.

Final Thoughts

Purchasing HDPE coils without reliable verification can result in ongoing issues, such as maintenance breakdowns, leaks and system outages. By following to the checks mentioned above, you can easily tell which coil part is authentic and prevent products from fake ones. At Ashish Pipes, we make sure that each coil is made from premium raw materials and undergoes high testing. Our goal as a reputable and leading HDPE Coils Manufacturers is to deliver long lasting performance, safety and durability.

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