InCat 2055


InCat 2055 is unblocked acid catalyst based on dinonyl naphthalene disulfonic acid with approx. 55% iso-butanol as solvent. InCat 2055 boosts the curing of amino crosslinker and ploymers with functinoal group of hydroxyl, carboxyl and amide.


1、Excellent adhesion
2、Excellent water resistance
3、Excellent resistance to salt spray


Item Specification Test Method
Appearance Clear, amber liquid Visual
Acid value, mgKOH/g 112-116 GB/T264-1983
Specific gravity, g/cm3 ≤1 ASTM D 4052
Solid content, wt% 50-55% GB 1725-79
Free acid, wt% ≤0.1 ASTM D 4711-89
Water, wt% ≤4 GB/T 260-77
Colour ≤17 ASTM D 1544
Solvent n-butanol, iso-butanol


Solube in alcohols, ketones, esters, glycols, glycol esters, aromatic hydrocarbon; insoluble in water and aliphatic hydrocarbon.


1、Eletrostatic spray
2、Coil coating
3、General industrial coating
4、Automobile primers

Shelf life

2 years when stored at room temperature in the original container.

Addition and Dosage

Pre-diluted with alcohols or directly added into formulation with adequate stirring. Recommended dosage is 0.5–2% based on the amout of resin solids.

Safety instruction

Wearing safety gogles and gloves when handling InCat 2055. Store it at room temperture. For more information, please refer to InCat 2055 MSDS.