Data Sheet

Martinswerk

MARTINAL   OL-104 LEO and OL-107 LEO are new fine precipitated aluminium

®

hydroxide grades with improved compounding performance and higher thermal

stability. Target polymers are polyolefins and their copolymers, PVC and rubber.

Typical data:

Martinal OL-104 LEO

Martinal OL-107 LEO

Al(OH)3 - content:

Moisture (105 °C):

[%]

[%]

[%]

[%]

≈  99.4

≤  0.35

≈  34.5

≤  0.08

≈  99.4

≤  0.4

Loss on Ignition (1200 °C):

Na2O soluble:

≈  34.5

≤  0.08

Refractive Index:

[%]

1.58

1.58

Particle Size:

(Laser diffraction, Cilas)

d50:

[µm]

1.7 – 2.1

3 –  5

1.6 – 1.9

Specific Surface Area (BET):

Oil Absorption:

[m²/g]

6 –  8

[ml/100g]

[µS/cm]

27 – 32

28 – 33

Electrical Conductivity:

(10 % in H2O)

≤  60

≤  70

Whiteness:

[%]

≥  94.0

≈  400

2.4

≥  94.0

≈  350

2.4

Bulk Density:

Density:

[kg/m³]

[g/cm³]

Thermal Stability:

[°C]

≈  225

≈  220

(Temp. at 2% weight loss, 1 K/min)

The above mentioned values should be taken as indications only and not as guaranteed properties

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