Description
Poly Aluminium Chloride PAC 28-30% | CAS 1327-41-9 Water Treatment Flocculant
Product Name: Poly Aluminium Chloride (PAC)
CAS No.: 1327‑41‑9
HS Code: 28273200
Appearance: Yellow Powder / Granular, Free-flowing
Grade: Standard Export Water Treatment Grade
Standard Export Grade Specifications
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Al₂O₃ Content: 28% – 30%
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Basicity: 45% – 85%
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Water Insoluble Matter: ≤0.5%
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pH Value (1% Aqueous Solution): 3.5 – 5.0
Poly Aluminium Chloride (PAC, CAS 1327‑41‑9) is a mainstream high-performance inorganic flocculant that dominates the modern water treatment industry, widely recognized for its high efficiency, energy saving and cost-effective advantages. Manufactured to strict international export standards, our PAC maintains a stable aluminum oxide content of 28% to 30% and adjustable basicity between 45% and 85%, with water-insoluble impurities strictly controlled below 0.5%. The mild 3.5-5.0 pH value ensures no secondary pollution during water treatment, making it safe for both domestic drinking water purification and industrial sewage treatment scenarios. The finished yellow free-flowing powder and granular products feature uniform texture, excellent fluidity and no agglomeration, enabling automatic and accurate dosing for large-scale water treatment projects.
This premium poly aluminium chloride delivers outstanding flocculation and purification performance far superior to traditional ferric and aluminum water treatment agents. When dissolved in water, it can rapidly generate dense flocs, quickly adsorb and aggregate suspended solids, colloidal particles, organic contaminants and residual heavy metals in water. With ultra-fast sedimentation speed and excellent clarification effect, it drastically shortens water treatment cycle and improves water purification efficiency. Its core advantage lies in low dosage demand, wide adaptable pH range and stable treatment effect, which greatly reduces chemical consumption and overall operating costs for water plants and industrial enterprises.
PAC features extremely versatile application scenarios, covering civil and industrial water treatment fields. It is the core purification material for municipal tap water and domestic sewage treatment, ensuring water quality meets safe drinking and discharge standards. In industrial fields, it is widely used for textile printing and dyeing wastewater, mining sewage, industrial circulating water and various factory wastewater purification. Our factory strictly controls product indicators batch by batch, ensuring stable flocculation performance and reliable quality. With sufficient inventory and mature global supply chain, we provide long-term stable bulk supply and customized services for global water treatment engineering companies, municipal water plants and industrial manufacturing enterprises.






