Additive

ACEMATT® HK 440

ACEMATT® HK 440 is an untreated, extremely coarse particle sized precipitated silica. It is especially recommended for base coats, thick-film applications, and general industrial coatings.

Product information

Type

Additive

Sub type

Matting & haptics

Sustainability

Life Cycle Assessment available

Markets

Technologies

High solids (solventborne)
Powder
Radiation curing systems
Solventborne
Waterborne

Manufacturer

ACEMATT Logo

Availability

Key benefits

  • highly suitable for coil coatings
  • very low sheen
  • highly efficient

Technical data

DOA absorption
270 ml/100g
Grindometer value
43 µm
particle size, d50
15.5 µm
pH-value
6.0
specific surface area (N2)
500 m²/g

Properties

Matting efficiency
5/5
Transparency
3/5
Viscosity
2/5
Smoothness/Haptic
1/5
Sedimentation behavior
2/5

Recommended addition level

As supplied calculated on total formulation: 1.5 - 5.0 %.

Processing instructions

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

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.