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NACURE® 3525 is an amine neutralized Dinonylnaphthalenedisulfonic acid (DNNDSA) catalyst that utilizes a slower releasing amine for higher bake temperatures. NACURE® 3525 is formulated for increased solubility, especially in high solids polyester and alkyd formulations.

Functions: Catalyst

Chemical Family: Sulfonic Acids & Derivatives

Technical Data Sheet
  • TypeDocument Name
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Knowde Enhanced TDS

Identification & Functionality

CASE Ingredients Functions
Industrial Additives Functions

Features & Benefits

Advantages
  • Good adhesion and salt spray resistance
  • Excellent water resistance
  • No wrinkling in most high solids coatings

Applications & Uses

Application Method
Compatible Polymers & Resins
Use Level
0.5 - 2% (as supplied on total resin solids)
Applications
  • Metal decorating
  • Coil coatings
  • Automotive topcoats
  • Can coatings
  • Appliance finishes
  • General industrials
  • Electrostatic spray
Incorporation

May be added to the coating with agitation as supplied or pre-diluted with alcohol.

Properties

Physical Form
Appearance
Clear, Amber liquid
Typical Properties
ValueUnitsTest Method / Conditions
% Active25%
pH (1:1 with DI water)7.7
Weight per Gallon (25°C)7.7lbs
VolatileIsopropanollisobutanol
Solubility
  • Soluble in water, alcohols, glycol ethers, glycols and ketones.
  • Partially soluble in esters.
  • Insoluble in aromatic and aliphatic hydrocarbons.

Storage & Handling

Shelf Life
18 months
Storage/Shelf Life
  • NACURE 3525 is classified as a flammable liquid.
  • Safe handling of this product should include the use of safety glasses and gloves.
  • Avoid breathing vapors - use with adequate ventilation.
  • Product should be stored in lined or glass containers. 

Shelf Life : 18 months from the date of manufacture, when stored at ambient conditions in the original container.