Polyacrylamide (PAM Flocculant) CAS 9003-05-8

Polyacrylamide (PAM) is the most widely used polymeric flocculant in the water treatment field. Through combinations of different ionic types (anionic, cationic, nonionic, and amphoteric) and molecular weights (1 million-25 million), it can precisely match various water treatment needs. Anionic PAM is suitable for the flocculation and sedimentation of positively charged suspended solids;

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Product Description

cationic PAM is suitable for the flocculation of organic suspended solids and sludge dewatering; nonionic PAM is suitable for wastewater systems with large pH fluctuations; and amphoteric PAM is suitable for complex wastewater with high salinity and high organic matter content. It is widely used in municipal sewage treatment, industrial wastewater treatment, sludge dewatering, papermaking retention aids, and oilfield chemicals. The products strictly adhere to national standards, have low residual monomer content, and are available in drinking water grade (compliant with FDA and GB certifications). Small-batch trial orders and customized packaging are supported. Relying on major ports such as Qingdao Port, Tianjin Port, and Shanghai Port, exports are efficient and hassle-free.

Product Information

ItemDescription
Product NamePolyacrylamide (PAM Flocculant)
CAS No.9003-05-8
EINECS No.231-545-4 (varies by grade)
AppearanceWhite granules or powder (emulsion type also available)
Main TypesAnionic PAM (APAM) : Negatively charged, for positively charged suspended particles. For mineral flotation, metallurgical wastewater, coal washing wastewater, steel wastewater, electroplating wastewater, paper wastewater, textile wastewater, municipal wastewater primary flocculation.
Cationic PAM (CPAM) : Positively charged, for negatively charged organic suspended solids. For municipal sludge dewatering (belt press, centrifuge), industrial sludge dewatering, paper retention/drainage aids, food processing wastewater, fermentation wastewater, high-concentration organic wastewater, dyeing/wood processing wastewater.
Nonionic PAM (NPAM) : Neutral, for acidic or alkaline wastewater systems. For acidic wastewater, mining wastewater, high-salt wastewater, pharmaceutical wastewater, food processing wastewater, oily wastewater.
Amphoteric PAM (AmPAM) : Both positive and negative charge groups, good salt resistance. For high-salt high-organic wastewater, mixed industrial wastewater, complex wastewater systems (high-salt/high-COD).
Emulsion PAM: Liquid form, rapid dissolution. For automatic dosing equipment, emergency treatment, offshore platforms, small-scale treatment facilities.
Ionicity/Hydrolysis DegreeAnionic: Hydrolysis degree 10%-30% (standard, up to 35%); Cationic: Ionicity 5%-60% (standard); Nonionic: Hydrolysis degree ≤5%; Amphoteric: Ionicity 5%-50%.
Molecular WeightLow: <1 million; Medium: 1-5 million; High: 5-12 million; Ultra-high: >12 million (up to 25 million).
Typical Performance ParametersSolid Content: ≥88%-90%; Residual Monomer (AM): ≤0.05%-0.1% (≤0.025% for food/drinking water grade); Dissolution Time: ≤30-60 minutes (fully dissolved, model dependent); Water Insolubles: ≤0.2%; pH Range: Anionic 5-14, Cationic 1-14, Nonionic 1-8.
FeaturesHigh efficiency flocculation; wide molecular weight range; adjustable ionicity for customized water treatment; good solubility; stable storage; effective in cold water and high-salt water (amphoteric/nonionic grades).
Main ApplicationsFlocculation & Sedimentation: municipal wastewater treatment, industrial wastewater (textile, paper, electroplating, metallurgy, chemical, food processing, coal washing, oilfield), river/reservoir water purification, mining tailings settling.
Sludge Dewatering: municipal sludge dewatering (belt press, centrifuge, filter press), industrial sludge dewatering, dredged sediment dewatering.
Paper Auxiliaries: retention/drainage aids, paper strength enhancers, white water recovery flocculants.
Oilfield Chemicals: enhanced oil recovery (polymer flooding), drilling mud flocculants, oily wastewater treatment, fracturing fluid thickeners.
Others: sugar refining clarifiers, drinking water flocculants (food grade required), textile sizing agents, soil conditioners, construction mud treatment.
Packaging25kg woven bags (PE liner or paper-plastic composite); 750kg/1000kg jumbo bags; custom packaging available.
Storage ConditionsStore in cool, dry, well-ventilated warehouse; keep sealed to prevent moisture absorption; avoid high temperature and direct sunlight; shelf life 12-24 months.
Shipping RequirementsNon-hazardous cargo; protect from moisture and rain; handle with care.


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Q1: Is Huafeng Chemical a manufacturer or a trader?
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Q4: How do you guarantee product quality?
A: We implement a strict supplier qualification and periodic audit system. A Certificate of Analysis (COA)—issued by the original manufacturer—is provided with every shipment. We also welcome pre-shipment inspections conducted by internationally recognized third-party agencies such as SGS, BV, or ITS. Should the test results fail to meet the standards specified in the contract, you have the right to reject the goods or request a replacement.

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