General Properties

General Properties of Neusilin®

Appearance White powder or granules
Physical form Amorphous
True specific gravity 2.0-2.2
Solubility Practically insoluble in water and ethanol
Composition (%) on dried basis Al2O3 – 29.1 – 35.5
MgO – 11.4 – 14.0
SiO2 – 29.2 – 35.6
Loss on drying Less than 20 to 5% depending on grades
CAS Number 12511-31-8
EINECS number 235-682-0

Neusilin® Grades

UFL2 US2 S1 S2
Neutral Neutral Alkaline Alkaline
Powder Granule Granule Granule
Low water Low water High water Low water

Typical Properties

GRADE Alkaline Neutral
S1 S2 UFL2 US2
Appearance White granule White granule White powder White granule
Degree of whiteness (%) >95 >95 >95 >95
Loss on drying (%) 110°C, 7 hours 13 - 20 <5 <7 <7
Bulk density Loose (g/ml) 0.30 - 0.37 0.29 - 0.37 0.06 - 0.11 0.13 - 0.18
Tapped (g/ml) 0.36 - 0.43 0.34 - 0.42 0.10 - 0.17 0.16 - 0.22
True specific gravity 2.0 2.2 2.2 2.2
Specific surface area (m2/g)*1 110 110 300 300
Average particle size (μm) 112 115 3.1 106
Angle of repose (°) 30 30 45 30
Oil adsorbing capacity (ml/g)*2 1.3 1.4 2.7 - 3.4 2.7 - 3.4
Water adsorbing capacity (ml/g) 1.0 1.2 2.4 - 3.1 2.4 - 3.1
Acid consuming capacity (ml/g)*3 ≥210 ≥210 ≥210 ≥210
pH (4% slurry)*4 8.5 - 10.0 8.5 - 10.0 6.0 - 8.0 6.0 - 8.0
*1) BET surface area, nitrogen adsorption method
*2) Japanese Industrial Standard pigment test method (JIS K5101)
*3) Amount of 0.1N hydrochloric acid neutralized by 1g dried product (110°C. 7 hours)
*4) Weigh 2 g of sample, add water to make 50 ml. After stirring, allow to stand for 2 minutes, Measure pH using pH meter

Package Size

  Grade Package size
Alkaline grades S1 20kg
S2 20kg
Neutral grades UFL2 5kg
US2 10kg

Samples are available upon request.
Please contact us to find out your nearest distributor.