SunPac Poly Aluminium Chloride — Our Own Sun Brand
SunPac is our own Sun Brand range of poly aluminium chloride (PAC) coagulant, supplied as a pale yellow powder and specified against IS 15573:2018. Two grades — SC11 and SC12 — each with a downloadable specification sheet and MSDS.
SunPac grades
Poly aluminium chloride (PAC) coagulant powder, specified to IS 15573:2018 — grades SC11 and SC12.
SunPac SC11
Pale yellow powder, free from organic contaminants. CAS 1327-41-9.
| Description | Pale yellow powder & free from organic contaminants |
| Aluminium as Al₂O₃ (%) | 28.0 (min) |
| Relative Basicity (%) | 35.0 (min) |
| Chloride as Cl (%) | 37.50 (max) |
| Bulk Density (g/mL) | 0.65 (min) |
| pH of 5 Percent Solution (w/v) | 2.5 – 4.5 |
| Shelf Life | 24 months from the date of manufacturing |
SunPac SC12
Pale yellow powder. CAS 1327-41-9.
| Description | Pale yellow powder |
| Aluminium as Al₂O₃ (%) | 28.0 (min) |
| Relative Basicity (%) | 35.0 (min) |
| Chloride as Cl (%) | 36.0 (max) |
| Bulk Density (g/mL) | 0.65 (min) |
| pH of 5% Solution | 2.5 – 4.5 |
| Packaging | 25 kg PP bags |
| Shelf Life | 24 months from the date of manufacturing |
Where SunPac is used
Water clarification
Coagulant for removing turbidity and suspended solids in water treatment.
Wastewater treatment
Coagulation in municipal and industrial wastewater treatment.
Part of our water treatment chemicals range. A jar test on your own water or process stream is the best way to confirm grade and dose.
Buyer guides: PAC Powder IS 15573:2018
Our own brand, backed by our own name
Sun Brand
SunPac is part of Suraj Chemicals' own Sun Brand — one supplier, one set of documents.
Documents with every grade
A specification sheet and an MSDS are available to download for each grade — no waiting on an email.
Supplied from Chennai
ISO 9001:2015 certified, with pan-India dispatch from our Chennai warehouses. Ask us about pack sizes and bulk quantities.
SunPac questions, answered
What is SunPac?
SunPac is Suraj Chemicals' own Sun Brand poly aluminium chloride (PAC), supplied as a pale yellow powder in grades SC11 and SC12.
What standard is SunPac specified to?
Both grades are specified against IS 15573:2018, with each parameter tied to its test method on the specification sheet.
What is the difference between SC11 and SC12?
SC11 is specified in more detail — it adds sulphate, heavy-metal limits (mercury, arsenic, cadmium, lead, iron, manganese, chromium, selenium), total organic carbon and insolubles, and is free from organic contaminants. SC12 is the shorter specification (aluminium, basicity, chloride, bulk density, pH) with chloride at 36.0% max and 25 kg PP bags.
What is the aluminium content?
Both grades specify aluminium as Al₂O₃ at 28.0% minimum and relative basicity at 35.0% minimum.
What is the shelf life?
24 months from the date of manufacturing.
Can I download the specification sheet and MSDS?
Yes. Each grade has its own specification sheet and MSDS on its product page and on this page.
Explore the other Sun Brand ranges
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