Nabaltec APYRAL® AOH 180DS AlO(OH) Boehmite

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Nabaltec APYRAL® AOH 180DS AlO(OH) Boehmite (discontinued **)
Categories:	Ceramic; Oxide; Aluminum Oxide
Material Notes:	APYRAL® AOH 180 is selected due to its high specific surface area and well defined grain size distribution, resulting in a constant reactivity. In the field of halogen-free mineral flame retardancy, APYRAL® AOH 180 can be used in polymeric applications exceeding processing temperatures of 200°C. Converts to gamma-alumina after activation at 550°C/3h.
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Physical Properties	Original Value	Comments

Density	3.00 g/cc
Brightness	98 % @Wavelength 457 nm	Whiteness
Moisture Absorption at Equilibrium	0.40 %
Loss On Ignition	17 % @Temperature 105 - 1000 °C
Particle Size	0.60 µm	Median Grain Diameter
	>= 45 µm	0.01% greater than
Specific Surface Area	0.18 m²/g	BET, values after activation at 550 °C/3h

Electrical Properties	Original Value	Comments
Electrical Resistivity	1250 ohm-cm

Component Elements Properties	Original Value	Comments
Fe2O3	0.020 %
Na2O	0.40 %
SiO2	0.020 %

Descriptive Properties
Crystal Structure	Boehmite
Gibbsite Max. %	0.6
Pore Volume cc/g	0.1	Values after activation at 550 °C/3h

**
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CNABAL22 / 54547

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