Product Series
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Organophosphorus scale and corrosion inhibitor chelating agent
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Bis(1,6-hexamethylene triamine penta(methylenephosphonic acid) sodium salt, BHMTPH·PN(Na₂))
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Tetrasodium 2-phosphonobutane-1,2,4-tricarboxylate, PBTCA·Na₄
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Potassium hexamethylenediamine tetramethylene phosphonate HDTMPA·K6
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Sodium ethylenediaminetetramethylenephosphonic acid pentasodium EDTMP·Na5
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Sodium diethylenetriaminepenta(methylene phosphonate) DTPMP·Na2
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Dietilenetriaminepenta(methylene phosphonic acid) heptasodium salt DTPMP·Na7
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Diethylenetriamine penta(methylene phosphonic acid) pentasodium salt DTPMP·Na5
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Bis(1,6-hexanediyl)triethylenetetramine pentamethylene phosphonate BHMTPMPA
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Sodium pentasodium amino tris(methylene)phosphonate ATMP•Na5
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Polycarboxylate scale inhibitor dispersant
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Acrylic Acid–Acrylate–Phosphonic Acid–Sulfonic Acid Tetrapolymer PR-241
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Sodium Salt of Maleic Acid–Acrylic Acid Copolymer Dispersant MA-AA·Na
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Carboxylate-sulfonate-sulfonated styrene ternary copolymer AA/AMPS/SSS
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Carboxylate-Sulfonate-Acrylate Ternary Copolymer AA/AMPS/HPA
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Acrylic acid-2-acrylamide-2-methylpropane sulfonic acid copolymer AA/AMPS
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Circulating Water Treatment Chemicals
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P0-600 High-Efficiency Corrosion Inhibitor and Scale Inhibitor (National Standard)
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PO-620 Power Plant-Specific Corrosion Inhibitor and Scale Preventer (Electrical Standard)
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PO-800 Eco-friendly, Phosphate-free Corrosion Inhibitor and Scale Preventer
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PO-820 Eco-friendly, Phosphate-free Corrosion Inhibitor and Scale Preventer
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PO-640 Steel Plant TRT Corrosion Inhibitor and Scale Preventer
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PO-610 Water Stabilizer (Scale Inhibitor and Corrosion Inhibitor)
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PO-660 Special Corrosion Inhibitor and Scale Preventer for Central Air Conditioning
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Wastewater treatment chemicals
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Full range of defoaming chemicals
Contact Information
Company Address No. 3716 Qingdao Road, Huaiyin District, Jinan City, Shandong Province, Unit 1801, China Construction Jinxiu Plaza.
Production base Juye Chemical Industry Park, Heze City, Shandong Province.
Nanjing Branch Company Room B2304, Nanjing University of Technology (Dingjiaqiao Campus), No. 5 Xinmofanma Road, Gulou District, Nanjing City, Jiangsu Province.
Phone : +86-531-88986356
Phone :+86-15562623709
Email : sdprio@sdprio.com
Acrylic acid–hydroxypropyl acrylate copolymer T-225
Detailed introduction
Acrylic Acid-2-Hydroxypropyl Acrylate Copolymer ( T-225 )
Also known as: AA/HPA Copolymer
CAS No.55719-33-0
Structural formula:

Performance and Applications:
T-225 It is a copolymer of acrylic acid and hydroxypropyl acrylate, which exhibits excellent inhibition of the formation and deposition of calcium carbonate, calcium sulfate, and especially calcium phosphate scale. It also demonstrates superior dispersing performance against ferric oxide, sludge, clay, and oil fouling; it can operate at high… pH under the specified conditions; with organic phosphonates, BTA It exhibits excellent miscibility and is particularly effective in inhibiting the deposition of zinc salts and the precipitation of calcium phosphate scale.
T-225 It exhibits excellent scale‑inhibition and dispersing performance under high‑temperature and alkaline conditions, making it suitable for use in circulating cooling water systems operating under alkaline conditions and in the presence of substantial phosphate levels.
T-225 It is primarily used as a scale inhibitor and dispersant for various circulating cooling waters, particularly those with high turbidity or exposed to dust‑contaminated environments.
Technical Indicators:
| Project |
Indicator |
|
| Neutral |
Acidic |
|
| —— |
Compliant with HG/T 2429-2014 |
|
| Outside View |
Colorless to yellow liquid |
|
| Solid content % |
≥30.0 |
≥30.0 |
| Free monomer (in AA terms)% |
≤0.5 |
≤0.5 |
| Density (20℃) g/cm 3 |
≥1.10 |
|
| pH |
6.5–8.5 (stock solution) |
2.0–3.0 (1% aqueous solution) |
| Extreme viscosity number (30℃)dl/g |
0.065-0.095 |
|
Instructions for use:
T-225 Normal usage amount 10 ~ 30mg/L It can be compounded with organic phosphonates to form an all‑organic (alkaline) formulation.
Packaging and Storage:
T-225 Packaged in plastic drums, each drum 25kg or 200kg, Alternatively, it may be determined according to user requirements. Store in a cool, well-ventilated indoor location; the shelf life is twelve months.
Security Protection:
T-225 It is mildly corrosive; take appropriate personal protective measures during handling, and avoid contact with skin, eyes, and other sensitive areas. If contact occurs, rinse thoroughly with plenty of water.
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