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cas 9003-04-7 What product does it stand for

  CAS No. 9003-04-7 corresponds to  Polyacrylic Acid  ( PAA ). PAA is an important polymer compound, produced by polymerization of acrylic monomer, which is water-soluble and has various functionalities, and is widely used in industry and daily life. This is a highly versatile polymeric compound with the molecular formula (C₃H₃NaO₂)ₙ. Depending on the application and form, it is also known as polyacrylic acid sodium salt, PAAS, or other trade names. Its core characteristics are extremely high water absorbency and thickening capability , which make it widely used across multiple industries: Consumer products : As a superabsorbent polymer, it is the key active ingredient in diapers, sanitary napkins , and other absorbent hygiene products. Industrial and agricultural applications : Used as a scale inhibitor in water treatment, a thickener in textile printing and dyeing, and a soil water-retention agent in agriculture. Food industry : As an approved food additive, it ...

Seawater Desalination – Supporting Global Water Security

 As freshwater scarcity intensifies, seawater desalination becomes increasingly vital. Shandong Kairui Chemistry's products support desalination operations through: Pre-Treatment: Coagulants and flocculants for solids removal Scale inhibitors for membrane protection Antiscalants for reverse osmosis systems Post-Treatment: Corrosion inhibitors for distribution systems Biocides for storage and transport Our experience in desalination applications spans multiple regions, supported by 15+ years of export experience and technical expertise in membrane system chemistry

Oilfield Water Treatment – Optimizing Production Performance

 The oil and gas industry faces unique water treatment challenges, from scale formation in production wells to microbial contamination in waterflood operations. Shandong Kairui Chemistry provides specialized oilfield water treatment solutions: Applications: Oilfield refill water systems Produced water treatment Scale squeeze treatments Well stimulation fluids Pipeline corrosion protection Our sulfonated polymers and phosphonate products are specifically designed for the high-temperature, high-pressure, and high-salinity conditions common in oilfield operations

Biocide Portfolio – Comprehensive Microbial Control

 Effective microbial control is essential for preventing biofouling, legionella growth, and system degradation. Kairui Chemistry's biocide product range includes: Oxidizing Biocides: Sodium hypochlorite Chlorine dioxide Bromine-based compounds Non-Oxidizing Biocides: Isothiazolinone derivatives Quaternary ammonium compounds Glutaraldehyde-based products Our biocides are effective across broad pH ranges and temperatures, with formulations designed for cooling water, oilfield, and industrial process applications

Custom Formulation Capabilities – Solutions for Unique Challenges

 Every water system is unique. Shandong Kairui Chemistry offers custom formulation services to address specific water treatment challenges: Customization Options: Tailored active ingredient ratios pH optimization for specific waters Compatibility adjustments Specialized packaging requirements Our R&D team works with clients to develop formulations that deliver optimal performance while minimizing chemical consumption and cost. With ISO-certified quality management and third-party testing (SGS/BV), product reliability is guaranteed

KR-0100 RO Membrane Universal Antiscalant

 KR-0100 is a universal composite reverse osmosis membrane antiscalant developed for most industrial desalination, pure water preparation and small seawater desalination equipment. It adopts the compound formula of organic phosphonate and sulfonate copolymer, and realizes three core scale inhibition mechanisms of metal ion chelation, crystal lattice distortion and particle dispersion at the same time. It can comprehensively inhibit the precipitation and scaling of calcium carbonate, calcium sulfate, barium sulfate, strontium sulfate and silica, covering almost all common scaling substances in reverse osmosis influent water. The formula is mild and friendly to membrane materials; it can be safely used for TFC polyamide composite membranes and CA cellulose acetate nanofiltration membranes, and will not cause irreversible surface pollution and damage to the membrane layer. The applicable pH range of KR-0100 is 5 to 10, which can adapt to raw water with high hardness and low hardness. ...

Polyamino Polyether Methylene Phosphonic Acid (PAPEMP) – CAS 130668-24-5

  CAS 130668-24-5 – PAPEMP is an advanced macromolecular organic phosphonic acid with molecular weight approximately 600, specifically developed for challenging water treatment conditions. The compound exhibits exceptional calcium tolerance at high concentration multiples, providing superior scale inhibition for calcium carbonate, calcium sulfate, and calcium phosphate. CAS 130668-24-5 demonstrates outstanding dispersing performance for iron oxides, iron hydroxides, and zinc hydroxides, making it particularly effective in high-iron and high-turbidity systems. The compound chelates effectively with copper, calcium, and magnesium ions forming soluble complexes, supporting applications in cooling water systems, household detergents, thermal power plants, and oilfield operations. The product shows excellent synergistic effects with other water treatment chemicals including HPAA and ATMP, especially under conditions of high hardness, high turbidity, high pH, and high co...