Alumina Tri-Hydrate (ATH)

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Description

GNPGraystar’s ATH has a unique particle size distribution that provides the best possible combination of viscosity, flame, electrical, and molding properties that can be derived from an ATH filler. A closely controlled top size with a large super fine faction yields rapid dispersion in resin. Excellent mold flow and wet-out characteristics result in superior surface profile, minimal porosity, even pigmentation, and excellent filler and reinforcement distribution throughout the molded part.

Diese Materialdaten wurden von GNPGraystar Specialty Materials zur Verfügung gestellt

Alle Daten beziehen sich auf Raumtemperatur soweit nicht anderweitig spezifiziert. SI Einheiten werden verwendt soweit nicht anderweitig spezifiziert.
Äquivalente Standards sind ähnlich zu einem oder mehreren Standards die der Anbieter angegeben hat. Manche äquivalente Standards können strikter sein oder außerhalb der Bedingungen des ursprünglichen Standards.

Ashby charts

Eigenschaften

Allgemein

PropertyTemperatureValueComment

Loss on Ignition

34.6 %

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at 1000°C

Partikelgrößenbereich

9.0 µm

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Relative Dichte

2.42 [-]

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Schüttdichte

0.65 - 1.0 g/cm³

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respectively for loose and packed

Spezifische Oberfläche

2.0 m²/g

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BET

Water content

105 °C

0.3 %

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Chemical properties

PropertyValueComment

Aluminium

99.6 %

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Al(OH)₃

Eisen

0.007

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Fe₂O₃

Natrium

0.03

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Soluble sodium oxide

0.24

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Na₂O

Silizium

0.005

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SiO₂

Technological properties

Property
Application areas

GNPGraystar’s ATH was developed especially for SMC, BMC, resin injection, and high solids coatings.

Other

Screen Analysis:

on 325 mesh: 0.1 %

through 325 mesh: 99.9 %

Less than 10µm: 53%


TAPPI Brightness: 89

Oil absorption: 28 ml, boiled linseed oil per 100 gm filler