micaceous iron oxide iron oxide

Properties

Value or Range/ Units

Test Method

'Description/ Type'

Natural lamellar micaceous iron oxide conforming to ISO 10601 lamellar grade 1.  Australian in origin.

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Appearance (as sampled)

Dark grey powder with metallic lustre.

Visual.

Assay

Fe2O3 content = 90 %w/w minimum.

ISO 1248

CAS Number(s)

Micaceous iron oxide = 1317 - 60 - 8 (100 %w/w).

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Component(s) (Any) %w/w

Iron oxide = 90 - 95 %w/w

Silica = 2 - 5 %w/w

Aluminium oxide = 1 - 2 %w/w

Typical composition.

Component(s) Pigment %w/w

Natural lamellar micaceous iron oxide = 100 %w/w

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Content: Lamellar Pigment

75 %v/v minimum

ISO 10601

Loss on Ignition

1 %w/w maximum.

at 800°C.

Mass Solids %w/w Nominal

100 %w/w

Nominal.

Microscopy

MIO particles appear as red translucent platelets when examined under transmitted light at 200x magnification.  Under the sacnning electron microscope the pigment is seen as predominatly lamellae.

ISO 10601

Oil Absorption

17 g oil/100 g pigment.

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Particle Size Distribution

Residue on 100 µm sieve = Trace;Residue on 63 µm sieve = 5 - 15 %w/w

DIN S3734

Product Stewardship Mineral Filler Information

Crystalline silica = 2 - 5 %w/w

Soluble Salts (Water solubles)

0.05 %w/w maximum.

ISO 797/3

Specific Gravity (or Density)

Density = 4.90 - 4.95 kg/m³

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STANDARDS (Compliance with)

Conforms to ISO 10601 lamellar grade 1

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