Astrictives(Aluminum Sulfate)
HS Code |
480567 |
Chemical Formula | Al2(SO4)3 |
Molar Mass | 342.15 g/mol |
Appearance | White crystalline solid |
Solubility In Water | Soluble |
Odor | Odorless |
Density | 2.676 g/cm³ |
Melting Point | 770 °C (decomposes) |
Ph In Solution | Acidic |
Hygroscopicity | Hygroscopic |
Use | Used in water treatment, paper industry, etc. |
As an accredited Astrictives(Aluminum Sulfate) factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
Packing | Aluminum Sulfate packaged in 25 - kg bags for astrictives use. |
Storage | Aluminum sulfate, an astringent chemical, should be stored in a cool, dry place. Keep it in a tightly - sealed container to prevent moisture absorption, as it can react with water. Avoid storing near incompatible substances like strong bases. Ensure the storage area is well - ventilated to minimize any potential build - up of fumes. This helps maintain its quality and safety during storage. |
Shipping | Astrictives (Aluminum Sulfate) is shipped in sealed containers to prevent moisture absorption. It's transported with care, ensuring compliance with chemical shipping regulations to avoid any spillage or damage during transit. |
Competitive Astrictives(Aluminum Sulfate) prices that fit your budget—flexible terms and customized quotes for every order.
For samples, pricing, or more information, please call us at +8615371019725 or mail to sales7@bouling-chem.com.
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Tel: +8615371019725
Email: sales7@bouling-chem.com

Over the years, the wise men devoted themselves to their research. Or in the art of alchemy, or in the matter of dyeing and weaving, and gradually learned its nature. Knowing it is effective in clarifying the water quality and fixing the color of the fabric.
The years pass, the craftsman is ingenious and makes good use of its ability. In the workshop Lu Lane, the effect of Astrictives (Aluminum Sulfate) is gradually apparent. After the scholars, to carry forward the ambition of the former, in-depth investigation, understanding, refining the law, so that the use of this product, more extensive, in all industries have its contribution, the evolution process, can be said to be brilliant.
This product has a wide range of uses. In the paper industry, it can be used as a sizing agent to help improve the water resistance of paper. In the water treatment industry, it can be used as a flocculant to make impurities suspended in water settle, in order to achieve the effect of purifying water quality. In the printing and dyeing industry, it can also be used as a mordant to help dyes better adhere to fabrics.
Astrictives (Aluminum Sulfate) are stable in nature, but should also be paid attention to when using. Avoid mixing with alkaline substances to prevent chemical reactions and damage their efficacy. Store in a dry and cool place to avoid moisture and deterioration. In this way, it is possible to ensure that this chemical product performs well and is useful in various industries.
On its chemical properties, aluminum sulfate can react with many substances. In case of alkali, aluminum hydroxide precipitates, which is its important chemical property. It can also be used for water purification. The aluminum hydroxide colloid formed by hydrolysis can absorb suspended impurities in water and clarify the water. It is also used in papermaking, printing and dyeing and other industries, all due to its unique physical and chemical properties.
In terms of identification, it is essential that the product parameters are clear. For example, the standard of purity must be accurate to a few digits, and the impurities contained should also be listed in detail. On the packaging, there should be an eye-catching mark indicating its characteristics, uses and precautions. In this way, when this Astrictives (Aluminum Sulfate) product is circulated in the market, everyone can make good use of it according to its technical specifications and labels.
Wait for the reaction to take a break, move it to a special container, let it stand in a suitable temperature, and promote its full synthesis. In the meantime, controlling the reaction rhythm is the key. If the rhythm is appropriate, the product will be pure.
As for the catalytic mechanism, a small amount of additives can be added to help it react quickly and completely. In this way, through various processes, refined Astrictives (Aluminum Sulfate) products can be obtained for the needs of all parties.
Aluminum sulfate (Astrictives) is one of the chemical products. It has a unique chemical reaction and is widely used in various industries and experiments. Looking at its reaction, or the precipitation with alkali phase and raw aluminum hydroxide, this is a common chemical change.
However, if you want its better performance, the modification method is indispensable. After modification, its stability or increased, solubility or excellent, and the scope of application has also been expanded. For example, in the paper industry, modified aluminum sulfate can improve the performance of paper and make the fibers more tightly bonded.
In the field of water treatment, after chemical modification, its flocculation effect is enhanced, which can purify water quality more effectively. Therefore, the study of its chemical reaction and modification is of great significance to the development of chemical products.
In the paper industry, aluminum sulfate can be used as a sizing agent to make paper smooth and water-resistant; in water treatment, it can flocculate impurities and clarify water quality. In the printing and dyeing industry, it can be used as a mordant to help dyes adhere to fabrics.
Throughout the ages, its applications have continued to expand. Although there are various names, they all refer to this thing. With the advance of technology, aluminum sulfate is used for new or current purposes, and continues to serve various industries, making great contributions to the development of people's livelihood and industry.
The chemical name of alum is Aluminum Sulfate (Astrictives (Aluminum Sulfate)). This product is widely used, but its safety and operation standards cannot be ignored.
In terms of safety, alum is a commonly used product, but it should not be ignored. It is slightly toxic in nature, and if ingested in excess, it may be harmful to human health. In children, pregnant women and the elderly, special caution is required. If you accidentally touch the skin, rinse it with water as soon as possible; if it enters the eyes, you need to seek medical attention immediately without delay.
As for the operation specifications, in the production workshop, when the craftsman is working, in front of protective equipment, such as masks, gloves, etc., to prevent inhalation or contact. When storing, it should be placed in a dry and cool place, protected from fire and moisture, to avoid its qualitative change. For use, it should be based on the exact amount, and it should not be increased or decreased arbitrarily. For water purification, the appropriate dose must be determined according to the different water quality. If it is used for dyeing, tanning, etc., it is also necessary to follow the established rules, so as not to cause harm through illegal operations.
In general, the use of alum is of great benefit, but safety and operating standards are related to the quality of human life and things. They should be careful and not slack in the slightest, so as to ensure that everything goes smoothly and there is no worry.
At the beginning of the research, I carefully observed its properties, analyzed its ingredients, and knew that it was useful in all things chemical. At the beginning, the preparation method was not good, the amount of production was small, and the quality was not high.
However, the researchers did not dare to slack off, and they tried new methods over and over again. Or change the matching of its raw materials, or adjust the temperature of its reaction, or change the order of its operation. After years of work, the preparation method has gradually refined, and the output has increased day by day, and the quality is also good.
The use of Astrictives (Aluminum Sulfate) has gradually spread to papermaking, water purification and other industries, which is beneficial to the prosperity of industry and the well-being of people's livelihood. And researchers are still thinking about making progress, hoping to develop their capabilities in more fields, promote the progress of the industry, and seek the prosperity of development. This is the will of those who study this thing.
Astrictives (Aluminum Sulfate) have many applications in industry. However, if people accidentally touch it or eat it by mistake, it will be very harmful. After research, if this substance enters the body, it may damage the organs, especially the liver and kidneys. Long-term exposure may also disturb the metabolism of the human body and cause dysfunction.
It also has an impact on the environment. If it flows into the water source, it may harm aquatic organisms and upset the balance of the ecology. Therefore, it is urgent to study its toxicity, understand its harm, make regulations to avoid it, and ensure people's safety and peace.
In the field of industry, Astrictives (Aluminum Sulfate) can be used to purify water, which can make the water clear and remove its impurities. In the future, with the gradual rise of industry, the amount of water used is increasing, and the demand for water purification is also strong. In the process of water purification, it will be expanded.
In the papermaking industry, it can be used as a sizing agent to make paper performance better. With the increasing technology of papermaking, the quality and quantity of Astrictives (Aluminum Sulfate) are higher, and its development should also follow the trend.
On top of agriculture, it can adjust the pH of soil and help plants grow. In the future, if agriculture wants to achieve high yield and high yield, soil improvement is indispensable, and Astrictives (Aluminum Sulfate) will be able to make great use of it. Therefore, the future development of Astrictives (Aluminum Sulfate) has endless potential and promising prospects.
As a leading Astrictives(Aluminum Sulfate) supplier, we deliver high-quality products across diverse grades to meet evolving needs, empowering global customers with safe, efficient, and compliant chemical solutions.

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