DESCRIPTION

H D - 1 9 7 4 is a hydrophobic fumed silica after-treated with DDS

(dimethyldichlorosilane).

KEY BENEFITS

universallyapplicable

sufficienctdispersability

good transparency

TYPICAL APPLICATIONS

General industrial coatings

Coil coatings

Car OEM coatings

Plasticcoatings

TECHNICAL DATA

carboncontent 0.7 - 1.3 %

losson drying <0.5 %

pH-value 3.7 - 4.7

SiO2 content >99.8 %

specific surfacearea(BET) 150 - 190 m²/g

tamped density Approx. 50 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.