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

Type

Additive

Sub type

Rheology control

Sustainability

VOC reduction

Next generation solution

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.