DESCRIPTION

H D - 1 8 1 2 is a fumed silica post-treated with an organosilane

(HMDS). It has a high specific surface area combined with exceptional

hydrophobicity. It is very easy to disperse.

KEY BENEFITS

easy-to-dispersei.e. incorporation bydissolver is sufficient

excellent rheologyeffect

highlyefficient

high transparencythereforeespeciallyrecommended for automotive

clear coats

highlyrecommended for 2K PU

TYPICAL APPLICATIONS

General industrial coatings

Car OEM coatings

Marine & Protectivecoatings

Powder coatings

TECHNICAL DATA

carboncontent 2.0 - 3.0 %

losson drying <0.5 %

pH-value 5.5 - 8.0

SiO2 content >99.8 %

specific surfacearea(BET) 230 - 290 m²/g

tamped density Approx. 60 g/l

RECOMMENDED ADDITION LEVEL

As supplied calculated on total formulation: 1.0 - 2.0 %

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 shellife 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.