Additive

ACEMATT® HK 440

Name: ACEMATT® HK 440 - Sample
Brand: Evonik
Availability: InStock

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.

Bottle representation of ACEMATT® HK 440

PNG

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

Availability

Country

Key benefits

highly suitable for coil coatings
very low sheen
highly efficient

Technical data

Property	Value
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

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.