Month: June 2025

How to judge the quality of MBT products

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Judging the quality of MBT (2-Mercaptobenzothiazole) products requires evaluating chemical purity, physical properties, performance efficacy, and compliance with industry standards. Below is a comprehensive guide: 1. Chemical Purity & Composition Key Parameters Active Content: High-quality MBT should have ≥ 95% purity (industrial-grade) or ≥ 98% (rubber-grade). Impurities: Free sulfur (should be < 0.5%) Residual solvents (e.g., toluene, cyclohexylamine) Heavy metals (e.g.,…

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MA/AA.Na Application Areas

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MA/AA.Na (Maleic Acid/Acrylic Acid Sodium Salt Copolymer) is a versatile water-soluble polymer widely used in industrial water treatment and other applications due to its excellent scale inhibition, dispersancy, and thermal stability. Below are its key application areas and usage guidelines: 1. Industrial Water Treatment (1) Cooling Water Systems Function: Inhibits CaCO₃, Ca₃(PO₄)₂, and CaSO₄ scaling. Dosage: 5–20 mg/L (adjust based…

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What is the shelf life of PESA?

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The shelf life of PESA (Polyepoxysuccinic acid) depends on storage conditions and formulation, but here are the general guidelines: 1. Typical Shelf Life Solid (Powder) PESA: 24–36 months (unopened, dry storage). Liquid PESA (Aqueous Solution): 12–18 months (if properly preserved). 2. Factors Affecting Shelf Life Factor Impact Recommendation Moisture Powder may clump or degrade Store in sealed, moisture-proof containers (HDPE bags with desiccant)….

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How does PASP work?

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Polyaspartic acid (PASP) is a biodegradable, non-toxic, and eco-friendly polymer used as a scale inhibitor, dispersant, and corrosion inhibitor. Its effectiveness stems from its unique molecular structure and functional groups. Below is a detailed breakdown of its mechanisms and applications. 1. Chemical Structure & Key Functional Groups Molecular Formula: (C₄H₅NO₃)ₙ Structure: Contains carboxyl groups (–COOH) and amide bonds (–CONH–). Forms a helical or…

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What is Sodium Salt of Polyaspartic Acid

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PASP is a kind of biopolymer materials, of which molecules contains abundant amido bond, carboxyl and other active groups. Amido peptide bond has biological activity and high chemical stability, hard to decompose at high temperature; carboxyl group can be complex with many metal ions in water, which make PASP have high chemical activity in aqueous…

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What is Ceramic Dispersant

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Ceramic Dispersant ceramic dispersant is a salt of anion polymer. It can adsorb on surface of a varieties of minor particles and thus generate static repulsion, resulting in particles’ dispersion and avoiding particles sedimentation and coarse turn-back. Ceramic Dispersant can be used as additives in magnetic materials, electron ceramic, papermaking, alumina ceramic, household ceramic, etc….

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What is Polyepoxysuccinic Acid

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PESA is a multivariate scale and corrosion inhibitor with non-phosphor and non-nitrogen, it has good scale inhibition and dispersion for calcium carbonate, calcium sulfate, calcium fluoride and silica scale, with effects better than that of ordinary organophosphines. When built with organophosphates, the synergism effects are obvious. PESA has good biodegradation properties, it can be widely…

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What is Carboxylate-Sulfonate-Nonion Terpolymer

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Carboxylate-Sulfonate-Nonion Terpolymer is a good scale inhibitor and dispersant for cool water treatment, it has good inhibition for dry or hydrated ferric oxide. Carboxylate-Sulfonate-Nonion Terpolymer  is a all organic dispersant and scale inhibitor, it can be also used as stabilizer of corrosion inhibitor for phosphate and phosphinic salt. Specification: Items Index Appearance Colorless to pale…

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Carboxylate-Sulfonate Copolymer

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Carboxylate-Sulfonate CopolymerKR-2000 is the copolymer of acrylic-acrylate-sulfosate, it is a good scale inhibitor for calcium phosphate, calcium carbonate and other inorganic minerals. KR-2000 can effectively stabilize calcium phosphate in formula containing phosphate. It can also stabilize zinc in formula containing zinc. It can disperse inorganic microparticles without pH influence. Carboxylate-Sulfonate Copolymer is an effective dispersant…

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What is Acrylic Homopolymer

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Acrylic Homopolymer is a Low Molecular Weight (LMW) Polyacrylic Acids and their corresponding sodium salts. These products have weight average molecular weights of approximately 2000 and 4500. KR-1000 are highly effective scale inhibitors that can be used industrial water treatment and oil production applications to inhibit the deposition of calcium carbonate, calcium sulfate, barium sulfate,…

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