DESCRIPTION H D - 1 8 0 5 is a fumed silica aftertreated with an organosilane. It

provides extraordinary rheological properties by maintaining brilliant

transparency. 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 epoxysystems

TYPICAL APPLICATIONS

Car OEM coatings

General industrial coatings

Marine & Protectivecoatings

TECHNICAL DATA

carboncontent 4.5 - 6.5 %

losson drying <0.5 %

pH-value 3.5 - 5.5

SiO2 content >99.8 %

specific surfacearea(BET) 125 - 175 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 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.