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Jiangsu Hengfeng has become a professional production and research and development base for water treatment chemicals and oilfield chemicals in China.

  • How Water Quality (pH, Salinity, SS) Impacts PAM Performance

    Polyacrylamide (PAM) is widely trusted across municipal sewage treatment, industrial wastewater management, mining, and oilfield operations for its powerful flocculation and sedimentation capabilities. Yet even the highest-grade PAM will underperform if the fundamental properties of the water being treated are not properly accounted for. Three variables — pH, salinity, and suspended solids (SS) c...

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  • 5 Things You Must Know Before Importing Polyacrylamide from China

    Polyacrylamide (PAM) is one of the most widely used industrial polymers in the world, applied in wastewater treatment, oil and gas extraction, mining, and papermaking. China produces the majority of the global supply — and for good reason: cost efficiency, large-scale manufacturing infrastructure, and rapidly improving quality standards have made Chinese manufacturers a go-to source for buyers ac...

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  • Why PAM Isn't Settling: 10 Troubleshooting Checkpoints

    PAM (polyacrylamide) “not working suddenly” in most cases is due to 1) the polymer isn’t fully hydrated, 2) the dose is off by an order of magnitude, or 3) the solution is being destroyed by shear or incompatible water chemistry. Use the 10 checkpoints below to isolate the failure mode quickly and correct it with measurable targets. ▶ What “working” should look like (so you can verify the fix) Be...

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  • How Dispersant Improves Tissue Paper Formation, Softness & Strength

    Tissue paper is unforgiving. Unlike board or packaging grades, every flaw in fiber distribution shows up immediately — as thin spots, rough patches, or inconsistent basis weight. The root cause is almost always the same: fibers clumping in the headbox before they ever reach the wire. A well-chosen dispersant addresses this at the source: by increasing pulp viscosity and preventing fiber-to-fiber ...

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