Membrane Chemicals
Explore our Membrane Chemicals water treatment chemicals sourced from qualified Chinese manufacturers — competitive pricing, reliable quality. 9 products available.
membrane chemicals
Membrane Pre-Treatment Flocculant
Low-charge, low-residual cationic flocculant for RO/UF pretreatment. Minimizes membrane fouling from residual polymer while maximizing SDI reduction.
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NF Membrane Antiscalant
Antiscalant specifically formulated for nanofiltration membranes with tighter pore structure. Effective against CaCO3 and organic fouling at lower operating pressures.
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RO Antiscalant — High Hardness Formula
RO antiscalant optimized for feedwater with calcium hardness > 500 ppm and LSI > 2.5. Strong CaCO3 and CaSO4 threshold inhibition at elevated recovery rates.
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RO Antiscalant — High Silica Formula
Specialized RO antiscalant for feedwater with silica > 120 ppm. Prevents colloidal and reactive silica deposition on membrane surfaces at high recovery rates.
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RO Membrane Biocide (DBNPA-Based)
DBNPA-based non-oxidizing biocide formulated for online dosing in RO systems. Fast-acting with rapid degradation — no membrane damage risk from residual biocide.
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RO Membrane Cleaner — Acidic
Acidic membrane cleaner (pH 1.5–2.5) for dissolving inorganic scale deposits (CaCO3, CaSO4, iron oxide, metal hydroxides) from RO/NF membranes.
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RO Membrane Cleaner — Alkaline
Alkaline membrane cleaner (pH 11–12) for removing organic fouling, biofilm and silica deposits from RO/NF membranes. Restores flux and rejection rates.
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RO Membrane Preservative
Sodium bisulfite-based preservative solution for RO membranes during shutdown or storage. Prevents biological growth and oxidative damage during idle periods.
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UF Membrane Cleaner
Combined alkaline-surfactant cleaner for UF/MF membrane systems. Removes organic fouling, colloids and biofouling from hollow-fiber and flat-sheet membranes.
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