DESCRIPTION

HD-1720 is a structure modified fumed silica after treated with

methacrylsilane.

KEY BENEFITS

improves scratch resistance

low rheologicaleffect

high loadingspossible

TYPICAL APPLICATIONS

Radiation-curing coatings

TECHNICAL DATA

carboncontent 4.5 - 6.5 %

losson drying Max. 1,5 %

pH-value 4.0 - 6.0

SiO2 content Min. 99.8 %

specific surfacearea(BET) 125 - 175 m²/g

tamped density Approx. 230 g/l

RECOMMENDED ADDITION LEVEL

As supplied calculated on total formulation: 5 - 20 %

HANDLING & STORAGE

When stored in an original unopened packaging, the product has alife of 24 months from the date of manufacture. We recommend tostore the product in closed containers under dry conditions and to

protect the material from volatile substances.