Home / Polymer series / Polyquaternium PQ

Polyquaternium PQ

[Product name]

Epichlorohydrin-dimethylamine copolymer;

Poly(N,N-dimethyl-2-hydroxypropylammonium chloride)

[Molecular formula]



Polyquaternium PQ Structure


This product is a cationic polymerized biological bactericide, which can effectively inhibit the growth of algae and slime-forming bacteria in industrial circulating cooling water; this product can also effectively inhibit the growth of various algae in swimming pools, ponds, and reservoirs. It can be used in acidic, alkaline and hard water environments. In any concentration, the product will not produce foam, non-toxic, non-irritating, and safer to use.


Code PQ50 PQ60
Content, % 49-51 59-61
pH 4-8 4-8
Density, g/cm3 1.1-1.2 1.1-1.2


The general dosage is 0.1-100mg/L, preferred 0.2-20mg/L


This product can be used as a fungicide for swimming pools, landscape water, and industrial circulating water;

[Applicable environment]

It can be used in acidic, alkaline and high-hard water environments;

[Use characteristics]

Special surfactant, no foam, no irritating odor, safe to use, and has sterilization and flocculation functions.


The cations interact with the negatively charged electrostatic bond on the algae cell wall to destroy and kill the algae cells.

[Package& Storage]


Pack and preserve the product in a sealed, cool and dry condition, and avoid contacting strong oxidants.

The term of validity: One year.

Transportation: Non-dangerous goods.

Posted in Polymer series, Water treatment chemicals on Aug 05, 2023

More Products

Products Contact About us