Additive

SIPERNAT® 622 LS

SIPERNAT® 622 LS is an untreated, finely ground silica. This specialty silica provides good matting efficiency with minimal viscosity increase in printing ink applications.

Product information

Type

Additive

Sub type

Specialty filler

Sustainability

Production efficiency

VOC reduction

Next generation solution

Life Cycle Assessment available

Markets

Technologies

Powder
Solventborne
Waterborne

Manufacturer

SIPERNAT Logo

Availability

Key benefits

  • universally applicable
  • good dispersability

Technical data

DOA absorption
225 ml/100g
loss on drying
< 7.0 %
particle size, d50
4.5 µm
pH-value
6.5
SiO2 content
> 97 %
specific surface area (N2)
180 m²/g
tamped density
70 g/l

Properties

Matting efficiency
4/5
Transparency
2/5
Viscosity
2/5
Smoothness/Haptic
2/5
Sedimentation behavior
2/5

Recommended addition level

As supplied calculated on total formulation: 1.5 - 15.0 %.

Processing instructions

Addition to the coating as supplied.

At higher dosages, the use of a suitable dispersing additive is beneficial.

Handling & storage

When stored in an original unopened packaging, the product has a shelf life of 24 months from the date of manufacture. We recommend to store the product in closed containers under dry conditions and to protect the material from volatile substances.