Additive

SURFYNOL® 440

SURFYNOL® 440 is a very good substrate wetting agent that offers good foam control with a moderate solubility in aqueous systems. It is suitable for waterborne coatings and inks.
Bottle representation of SURFYNOL® 440
PNG

Product information

Type

Additive

Sub type

Substrate wetting

Sustainability

Production efficiency

VOC reduction

Life Cycle Assessment available

Markets

Technologies

High solids (solventborne)
Radiation curing systems
Solventborne
Waterborne

Manufacturer

SURFYNOL Logo

Availability

Key benefits

  • suitable for food contact compliant formulations
  • good wetting of low-energy and/or contaminated substrates
  • low-foam, dynamic surface tension reduction

Technical data

active matter content
100
appearance
clear colored liquid
chemical description
ethoxylated acetylenic surfactant
solvent
-

Properties

Substrate wetting
3/5
Anti-crater effect
2/5
Flow promotion
4/5
Defoaming
4/5
Reduction of static surface tension
3/5
Reduction of dynamic surface tension
4/5

Recommended addition level

As supplied calculated on total formulation: 0.1 - 1.5 %.

Processing instructions

Can be introduced in the grind and let-down stage.

Addition to the coating as supplied or as a predilution is possible.

Handling & storage

Keep containers tightly closed in a dry, cool, and well-ventilated place. Product is normally freeze-thaw stable; if it phase separates or freezes at colder temperatures, warm container to 40 °C and mix thoroughly before use.

When stored in an original unopened packaging, the product has a shelf life of 60 months from the date of manufacture.