Fumed Silica MK-90 | Maiken chems

FUMED SILICA

HYDROPHILIC FUMED SILICA MK-90

PRODUCT OVERWIEV:

MK-90 is hydrophilic fumed silica synthesized from the hydrolysis of high-purity chlorine in a flame of oxygen and hydrogen at the temperature over 1000℃. Its specific surface area is around 100m2/g.

PROPERTIES:

Excellent dispersion in the liquid system
Glossiness adjust for paints and coating films
Flow aid or anti-caking agent for powder products
High filler for organosilicon and adhesives
Polishing and grinding additives for base materials like metals or glass

PRODUCT USE:

Silicone Rubber
Adhesives and sealants
Paints and coatings
Thermal insulation materials

FUNCTIONAL PROPERTIES:

Reinforcing filler in elastomers
Rheology control and thixotropic agent
Anti-settling, anti-sagging, and thickening agent
Free flow aid and anti-caking aid for powders

Properties

Unit

Standard Value

Testing Method

Specific surface area (BET)

m2/g

100±20

GB/T 20020

pH in 4% dispersion

/

3.9～4.5

GB/T 20020

Loss on drying (2 hours at 105℃)

%

≤1.0

GB/T 20020

Loss on ignition(2 hours at 1000℃, based on material dried for 2 hours at 105℃)

%

≤1.5

GB/T 20020

Sieve residue (45μm)

mg/kg

≤250

GB/T 20020

Silica content( Based on ignited material)

%

≥99.8

GB/T 20020

Tamped density（Based on material dried for 2 hours at 105℃）

g/L

45～60

GB/T 20020