InCat 1050


InCat 1050 is a hydrophobic acid catalyst based on dinonyl naphthalene sulfonic acid supplied at 50% active in n-butanol. InCat 1050 accelerates the crosslinking of amino/phenolic resin and polymers with fuctional group of hydroxyl, carboxyl etc.


1、High temperature curing
2、Excellent water resistance
3、Excellent overbake resistance

Typical data

Item Specification Test Method
Appearance Clear, dark liquid Visual
Acid Value 62.5±2.5 GB/T264-1983
Specific gravity, g/cm3 0.94±0.03 ASTM D 4052
Active, % 49–51.4 ASTM E301
Min cure temperature, ℃ 125℃


Soluble in alcohols, ketones, esters, glycols, glycol ester, armatic hydrocarbon and aliphatic hydrocarbon.


1、Printing ink
2、Coil coating
3、General industrial coating
4、Can coating

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 amount of resin solids.

Safety instruction

Wearing safety gogles and gloves when handling InCat 1050. Store it at room temperture. For more information, please refer to MSDS of InCat 1050.