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NACURE® 1557 is an amine blocked Dinonylnaphthalenesulfonic acid (DNNSA) catalyst specially formulated for reduced blistering in thicker films cured at high temperatures.

Functions: Catalyst

Chemical Family: Sulfonic Acids & Derivatives

Catalyst Type: Homogeneous Catalyst

Reaction Phase: Liquid

Technical Data Sheet
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Knowde Enhanced TDS

Identification & Functionality

Reaction Phase
CASE Ingredients Functions
Industrial Additives Functions

Features & Benefits

Advantages
  • Eliminates solvent popping in high bake thick films
  • Slower cure gradient for better flow
  • Excellent humidity and detergent resistance
  • Low conductivity

Applications & Uses

Application Method
Use Level
0.5 - 2% (as supplied on total resin solids)
Applications
  • Electrostatic spray
  • Can coatings
  • Coil coatings
  • Appliance finishes
  • General industrials
Incorporation

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

Properties

Physical Form
Appearance
Clear, Dark liquid
Typical Properties
ValueUnitsTest Method / Conditions
% Active25%
pH (1:1 with DI water)7.1
Weight per Gallon (25°C)7.55lbs
VolatileButanol/2-butoxy ethanol
Solubility
  • Soluble in alcohols, glycol ethers, glycols, esters, ketones and aromatic and aliphatic hydrocarbons.
  • Insoluble in water.

Storage & Handling

Shelf Life
18 months
Storage/Shelf Life
  • NACURE 155 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 away from sunlight and excessive heat.

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