Additive

AERODISP® W 7520 NF

AERODISP® W 7520 NF is an aqueous dispersion of a hydrophilic fumed silica with an alkaline pH-value, which is recommended for food contact applications.
Bottle representation of AERODISP® W 7520 NF
PNG

Product information

Effects

Surface Control
Dot Control
Search products by effects

Type

Additive

Sub type

Rheology control

Sustainability

Contains no biocide

Markets

Technologies

High solids (solventborne)
Waterborne

Manufacturer

AERODISP Logo

Availability

Key benefits

  • water-based dispersion
  • highly compatible and easy to incorporate
  • suitable for pigmented and clear formulations
  • excellent anti-settling effect
  • avoids cracking in inorganic ceramic coatings
  • compatible with nonionic and anionic binders

Technical data

appearance
white liquid
delivery form
dispersion
pH-value
9.5 - 10.5
SiO2 content
19 - 21 %
viscosity
< 100 mPas

Properties

Dot sharpness and resolution
4/5
Transparency
5/5
Anti-settling
4/5
Anti-sagging
3/5

Recommended addition level

As supplied calculated on total formulation: 5 - 15 %.

For ink receptive coatings: > 20 %.

Processing instructions

Addition as supplied or as a predilution is possible.

Handling & storage

When stored in an original unopened packaging, the product has a shelf life of 12 months from the date of manufacture.

Keep away from freezing.

Avoid long-term storage in an environment above 40 °C and avoid excessive heat.