Product Description
Sulfate Potassium Aluminium is also known as: alum, white alum, potassium alum, potassium aluminium alum, and potassium alum
Sulfate Potassium Aluminium is colorless cubic crystals, often presenting as octahedrons on the surface, or forming aggregates with cubes and rhombic dodecahedrons. Sometimes, they adhere to the container wall with {111} faces, resembling hexagonal plates. They belong to the α -type alum complex salts and have a vitreous luster. Density: 1.757g/cm ³, melting point: 92.5℃. It loses 9 molecules of crystalline water at 92.5℃ and 12 molecules at 200℃. It is soluble in water but insoluble in ethanol. Alum has a sour and astringent taste, is cold in nature and toxic. Therefore, it has antibacterial effects, astringent effects, etc. Alum can also be used in the preparation of aluminum salts, baking powder, paint, tanning agent, clarifying agent, mordant, papermaking, water repellent, etc.
COA
| Test Item | Specification | Result |
| Appearance | White fine powder | Complies |
| Purity | ≥99.0% | 99.5% |
| Moisture | ≤0.5% | 0.20% |
| Total Ash | ≤0.1% | 0.04% |
| Heavy Metal(Pb) | ≤10ppm | <5ppm |
| Arsenic(As) | ≤2ppm | <1ppm |
| Total Plate Count | ≤100CFU/g | 35CFU/g |
| Yeast & Mold | ≤10CFU/g | <10CFU/g |
| Escherichia Coli | Negative | Negative |
Functions and Effects
Sulfate Potassium Aluminium (Potash Alum, E522)
Stable multifunctional inorganic chemical with strong coagulating, fixing and hardening performance, widely used in industry and food.
Water Treatment Effective coagulant for tap water, raw water and industrial wastewater. Aggregates suspended particles, organics and fine pollutants to speed up sedimentation, lower turbidity and remove algae.
Food Additive (E522) Adjusts food texture: boosts crispness of baked/fried snacks, keeps pickles & canned veggies firm, coagulates starch goods and stops salt/seasoning caking.
Personal Care Raw Material Mild astringent & deodorant agent. Stabilizes formulas, controls skin oil, a key component of deodorants and daily care products.
Application Fieldss
Water Treatment High-efficiency coagulant to trap suspended impurities, clear turbid water and remove algae for tap water and factory wastewater.
Food Processing (E522 Food Grade) Adjust food texture: crisp baked & fried food, firm pickles, coagulate tofu, anti-caking for salt and seasonings.
Daily Chemical Raw Material Oil-control & odor-suppressing ingredient for deodorants and daily care products.
Business Scope
Packaging And Transportation Methodse
Certifications
FAQ
Q1: Why should I choose your company?
A1: We are integrated with industry and trade. We have our own factory, all products are produced in the factory, quality safety is guaranteed; We have a professional R&D team production, team sales team and after-sales team the whole process for your shopping escort.
Q2: How does your factory make sure the product quality?
A2: 1. We will check the samples randomly.
2. Ensure the quality and storage safety of each batch of products.
3. We will make a final inspection before shipment to avoid any problems.
Q3: Can I get some free sample?
A3: We are happy to provide samples free of charge, you only need to pay for the shipping cost. Please consult customer service for details.
Q4: Is there any discount?
A4: Yes, some products are being discounted. We have a large number of coupons and limited time discounts waiting for you to claim. You can contact our customer service if you have any needs.
Q5: What's your minimum quantity? How to place order online?
A5: Different products have different MOQ. Please consult customer service for details. You can click start order to place your order, or click send Inquiry/chat to contact our customer service for details.
Q6: What is the payment term?
A6: Payment can be done by Trade Assurance, T/T, L/C, Credit Card and more. Please consult customer service for details.
Q7: What is the delivery time/method?
A7: We usually ship the goods within 1-7 working days after you make the payment. We can express by door to door by air, by sea, you can also choose your freight forwarder.
Q8: When can I get the quotation?
A8: We usually make an offer within 24 hours after receiving your inquiry. lf it's an urgent order, you can call us or mention it in the subject line of your email, so we can give priority to reply it.
Our address
No. 56, Jinye 1st Road, Hi-Tech Zone, Xi'an,Shaanxi Province, China
Phone Number
08617792692163
qinhe06@xaltbio.com
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