Leaders in Clean Water Solutions
USALCO is the premier manufacturer of various-aluminum based chemicals, such as aluminum sulfate, sodium aluminate, polyaluminum chloride, aluminum chlorohydrate, and aluminum chloride to industrial and municipal markets.
USALCO’s Polyaluminum Chloride (PACL) products fall under the DelPAC® and UltraPAC Tradenames. These coagulants have become the products of choice in well over 1,000 water treatment applications throughout the US (sold direct or through distributors).
USALCO’s research and development staff is committed to continuous innovation of new coagulant chemistry to address the ever-changing regulatory landscape. Coupled with our on-site application expertise, USALCO is uniquely positioned to meet the increasing customer demand for improved treatment results at a lower total cost.
Our company headquarters is in Baltimore, Maryland, which is also the site of the largest aluminum coagulant manufacturing plant in North America. USALCO operates 26 facilities throughout the United States.
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Most Viewed Products

USALCO
USALCO Dry Aluminum Sulfate (Purified Grade)
Chemical Name: Aluminum Sulfate
CAS Number: 10043-01-3
Chemical Family: Aluminum Compounds, Sulfates, Aluminum Salts
Grade: Food Grade
Synonyms: Al2(SO4)3, Aluminum Sesquisulfate, Aluminum(III) sulfate, Dialuminium Trisulfate, Dialuminum Sulfate, Dialuminum Trisulfate, Sulfatodialuminium Disulfate, Sulfatodialuminum Disulfate
USALCO Dry Aluminum Sulfate (Purified Grade) is manufactured to meet high-quality standards using advanced processes and premium raw materials. It comes in various grades, including low-iron, iron-free, and FCC grades, and in special granular sizes to meet diverse needs. It is utilized in industries such as water treatment, dye production, leather tanning, papermaking, and others. This dry alum meets the American Water Works Association Standard B403-16 and follows NSF/ANSI/CAN 60: Drinking Water Treatment Chemicals - Health Effects with a maximum recommended dosage of 150 mg/L.

USALCO
DelPAC® 2020 Polyaluminum Chloride
Chemical Name: Polyaluminum Chloride Hydroxide Sulfate
Function: Coagulant
CAS Number: 39290-78-3
Chemical Family: Aluminum Salts, Aluminum Compounds, Chlorides, Sulfates
DelPAC® 2020 is a highly effective polyaluminum chloride solution for improving the quality of finished water. As a coagulant, it can offer longer filtration runs, minimize or eliminate the need for pH adjustment with alkalis, and decrease sludge residuals. This product adheres to the standards set by the American Water Works Association Standard B408-18 and meets the requirements of NSF/ANSI/CAN 60: Drinking Water Treatment Chemicals - Health Effects with a maximum recommended dosage of 250 mg/L.

USALCO
USALCO Aluminum Chloride
Chemical Name: Aluminum chloride
Function: Intermediate
CAS Number: 7446-70-0
Chemical Family: Aluminum Compounds, Chlorides
Synonyms: AlCl3, Aluminium Chloride, Aluminum Trichloride
USALCO Aluminum Chloride is a solution that is very effective in drinking water treatment, removal of phosphorus from municipal/industrial wastewater, and as an intermediate chemical in the manufacturing of various products. This product complies with the requirements of NSF/ANSI/CAN 60: Drinking Water Treatment Chemicals - Health Effects at a maximum dosage of 250 mg/L.

USALCO
DelPAC® 1842 Polyaluminum Chloride
Chemical Name: Polyaluminum Chloride
CAS Number: 1327-41-9
Chemical Family: Aluminum Compounds, Chlorides
Synonyms: AlCl3, Aluminium Chloride, Aluminum Trichloride
DelPAC® 1842 is an advanced formulation of basic polyaluminum chloride that has demonstrated exceptional effectiveness in the treatment of drinking water and the elimination of phosphorus in municipal and industrial wastewater systems. It conforms to the specifications outlined in the American Water Works Association Standard B408-18 and meets the criteria established in NSF/ANSI 60: Drinking Water Treatment Chemicals - Health Effects with a maximum dose of 250 mg/L.

USALCO
DelPAC® 2950 Polyaluminum Chloride
Chemical Name: Polyaluminum Chloride Hydroxide Sulfate
Function: Coagulant
CAS Number: 39290-78-3
Chemical Family: Aluminum Compounds, Chlorides, Sulfates, Aluminum Salts
Synonyms: AlCl3, Aluminium Chloride, Aluminum Trichloride
DelPAC® 2950 is widely accepted as the preferred polyaluminum chloride for cost-effective improvement of finished water quality. As a coagulant, it enhances filter performance, potentially eliminates the need for pH adjustment with alkalis, and decreases sludge residuals. It meets the specifications of American Water Works Association Standard B408-18 and complies with the requirements of NSF/ANSI/CAN 60: Drinking Water Treatment Chemicals - Health Effects with a maximum dosage of 250 mg/L.

USALCO
USALCO Dry Aluminum Sulfate (Low Iron Grade)
Chemical Name: Aluminum Sulfate
CAS Number: 10043-01-3
Chemical Family: Aluminum Salts, Aluminum Compounds, Sulfates
Grade: Food Grade
Labeling Claims: Low Iron
Synonyms: Al2(SO4)3, Aluminum Sesquisulfate, Aluminum(III) sulfate, Dialuminium Trisulfate, Dialuminum Sulfate, Dialuminum Trisulfate, Sulfatodialuminium Disulfate, Sulfatodialuminum Disulfate
USALCO Dry Aluminum Sulfate (Low Iron Grade) is produced using advanced techniques and high-quality materials to meet the highest quality standards. USALCO also produces dry alum in various other grades (iron-free and FCC-grade) and custom granular sizes to meet a wide range of applications. This product is used in water treatment, dye production, leather tanning, papermaking, and other industrial applications. It adheres to the American Water Works Association Standard B403-16 and meets the requirements of NSF/ANSI/CAN 60: Drinking Water Treatment Chemicals - Health Effects with a maximum dosage limit of 150 mg/L.

USALCO
USALCO Sodium Aluminate Solution (38%)
Chemical Name: Sodium Aluminate
Function: Sizing Agent
CAS Number: 1302-42-7
Chemical Family: Sodium Salts, Aluminum Compounds
USALCO Sodium Aluminate Solution (38%) is an economical source of highly reactive alumina manufactured by dissolving alumina tri‐hydrate (ATH) into sodium hydroxide and water. USALCO 38 is also stabilized to prevent alumina from precipitating. The use of only stringently selected raw materials and state‐of‐the‐art manufacturing practices ensures that USALCO 38 is of the highest quality. USALCO 38 meets the specifications of the American Water Works Association Standard B405‐16 and complies with the requirements of NSF/ANSI/CAN 60: Drinking Water Treatment Chemicals ‐Health Effects at a maximum dosage of 105 mg/L.

USALCO
DelPAC® XG (Aluminum Chlorohydrate)
Ingredient Name: Dialuminum Chloride Pentahydroxide
Chemical Name: Aluminum Chlorohydrate
Function: Firming Agent, Coagulant
CAS Number: 12042-91-0
Chemical Family: Chlorides, Aluminum Salts, Aluminum Compounds
Synonyms: Aluminum chloride hydroxide (Al2Cl(OH)5), Aluminum chloride hydroxide [Al2(OH)5Cl], Aluminum hydroxide chloride (Al2(OH)5Cl), Aluminum chlorohydroxide (Al2(OH)5Cl), Aluminum hydroxychloride (Al2(OH)5Cl), Aluminum chlorhydroxide [Al2(OH)5Cl], Basic aluminum chloride [Al2(OH)5Cl], Aluminum chlorohydrate (Al2(OH)5Cl), Aluminum chlorhydrate (Al2(OH)5Cl), Aluminum monochloride pentahydroxide, Aluminum chloride (Al2Cl(OH)5), Chloropentahydroxydialuminum
DelPAC® XG (Aluminum Chlorohydrate) is a highly effective coagulant that is used in water and wastewater treatment. DelPAC® XG is proven to be an excellent option for removing organic matter, TSS, and copper. It is known for its high concentration and basicity, making it effective in removing organic matter and performing well over a wide pH range. This product meets the standards set by the American Water Works Association Standard B408-18 and complies with the health effects requirements of NSF/ANSI/CAN 60, with a maximum recommended dosage of 250 mg/L.

USALCO
USALCO Aluminum Sulfate Solution (Acidified)
Ingredient Name: Aluminum Sulfate, Acidified
Chemical Name: Sulfuric Acid, Aluminum Sulfate
Function: Firming Agent, Retention Aid, Buffering Agent, Flocculant, Coagulant, Intermediate
Chemical Family: Sulfates, Aluminum Compounds, Aluminum Salts
USALCO Aluminum Sulfate Solution (Acidified) is produced by dissolving alumina trihydrate in water and sulfuric acid. Only the finest raw materials and advanced manufacturing techniques are used to ensure the top-notch quality of this product. It conforms to the specifications outlined in the American Water Works Association Standard B403-16 and satisfies the criteria set forth in NSF/ANSI 60: Drinking Water Treatment Chemicals - Health Effects with a maximum dose of 150 mg/L.
Most Viewed Brands
USALCO
DelPAC
Applications: Water Treatment, Chemical Manufacturing, Power, Water & Utilities
Product Families: Inorganics, Water Treatment Additives, Water Treatment Chemicals
Chemical Family: Chlorides, Aluminum Compounds, Sulfates
End Uses: Pickles
DelPAC® is a polyaluminum chloride solution manufactured by USALCO. It is commonly used as a coagulant in water and wastewater treatment. The solution is effective in removing impurities and improving water clarity. DelPAC® is available in different formulations to meet the specific needs of different applications. The product is known for its high performance and cost-effectiveness. It is easy to use and can be applied to a wide range of water treatment processes.