Fiber, Bottle & Film Grade Polyethylene Terephthalate (PET) CAS 25038-59-9 Polyester Resin for Textile Fiber, Food Packaging & Engineering Plastics

Polyquaternium-6 (Abbr: PQ-6 / PDADMAC, CAS:25038-59-9,EINECS:230-993-8, HS Code:3906909000) is a colorless to pale yellow viscous liquid, a cationic homopolymer of diallyldimethylammonium chloride. We supply industrial and cosmetic grades complying with international quality standards. It features excellent water solubility, strong cationic charge density, good flocculation, conditioning and antistatic properties. Widely used as flocculant in water treatment, conditioning agent in personal care products and retention aid in papermaking.

Applications
Water Treatment Industry (Core Application)
High-efficiency cationic flocculant for municipal wastewater, industrial wastewater, drinking water treatment and sludge dewatering. It effectively flocculates suspended solids, colloidal particles and organic pollutants, removes turbidity, color and COD, improves sedimentation and filtration efficiency, and is widely used in water purification and sewage treatment systems.
Daily Chemical & Hair Care
Used as conditioning agent in shampoos, conditioners, hair masks and styling products. It improves wet and dry combability, reduces static electricity, repairs damaged hair, endows hair with softness and smoothness, and enhances foam stability of cleansing products.
Papermaking Industry
Applied as retention aid, drainage aid and dry strength agent in papermaking process. It improves filler and fiber retention rate, increases paper dry strength, accelerates water drainage, and improves paper machine running efficiency and paper quality.
Textile & Dyeing Industry
Used as color fixing agent for reactive dyes and direct dyes. It improves dye color fastness, reduces dye bleeding, and enhances textile color brightness and uniformity. Also used as antistatic agent for synthetic fibers.
Mining & Mineral Processing
Used as flocculant and dewatering agent in coal washing, mineral processing and tailings treatment. It accelerates solid-liquid separation, improves dewatering efficiency, and reduces water content in filter cake.
Oilfield Industry
Applied as clay stabilizer, drilling fluid additive and water shutoff agent in oil and gas exploitation. It prevents clay swelling, improves wellbore stability, and enhances oil recovery efficiency.

Product Advantages
✅ High cationic charge density: Strong flocculation and adsorption performance, high treatment efficiency
✅ Excellent water solubility: Easily soluble in water, convenient for preparation and use
✅ Customizable molecular weight: Various viscosity and molecular weight options for different application scenarios
✅ Good compatibility: Compatible with most surfactants and water treatment chemicals
✅ Low dosage & high efficiency: Low addition amount, significant effect, cost-effective
✅ Stable performance: Stable in wide pH range, no decomposition under normal storage conditions

Packaging & Storage
Standard packaging: 50kg plastic drums, 200kg sealed HDPE drums or 1000kg IBC tanks. Store in a cool, dry and well-ventilated warehouse at 5–30°C. Keep containers tightly sealed, away from strong oxidants and direct sunlight. Shelf life is 24 months under proper storage conditions.
Safety Information
Classified as non-hazardous goods for regular transportation. Non-toxic and non-irritating at recommended use concentrations. Wear protective gloves and goggles during handling. In case of contact with eyes, rinse immediately with plenty of clean water. Complete MSDS and relevant qualification certificates are available upon request.

1. 1.A 70,000 ㎡ warehouse (20,000 MT capacity) with moisture-proof and temperature-controlled systems, enabling efficient fulfillment of large-volume orders.
2. 2.Free samples (Ship within 3-7 days) to let you test products at zero trial cost.
3. 3.Transparent lead time for hazardous chemicals: 45–60 days, with clear delivery schedules.
4. 4.Certified with a Hazardous Chemical Business License and ISO certification, ensuring smooth customs clearance.
5. 5.6 packaging options with customizable logos to minimize product loss during transportation.
6. 6.Over 400 chemical SKUs available for one-stop procurement, helping you reduce sourcing costs.