Nabaltec APYRAL® 8 Al(OH) 3

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Nabaltec APYRAL® 8 Al(OH)₃
Categories:	Ceramic; Oxide; Aluminum Oxide; Other Engineering Material; Additive/Filler for Polymer
Material Notes:	APYRAL ® from Nabaltec is an environmentally friendly halogen free product which is used as a flame retardant filler in a wide variety of rubber and polymeric materials. During thermal decomposition APYRAL ® does not generate toxic or corrosive gases. In addition, there is a distinct reduction in smoke density. APYRAL ® is effective in the crucial phase of the burning process before the outbreak of a fully developed fire. APYRAL ® can be used as a flame retardant filler in Thermosets Elastomers Thermoplastics Cable Compounds Technical Rubber Compounds Pressed and cast Plastic Parts Thermal Insulation Foams Glass-fiber reinforced plastics
Key Words:	Aluminum Hydroxide, Al(OH)3
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Physical Properties	Metric	English	Comments

Bulk Density	0.750 g/cc	0.0271 lb/in³
Density	2.40 g/cc	0.0867 lb/in³
Brightness	92 % @Wavelength 457 nm	92 % @Wavelength 457 nm	Whiteness; Elrepho
Oil Absorption	24 %	24 %	ml/100 g
Moisture Absorption at Equilibrium	0.10 %	0.10 %
Loss On Ignition	34.6 % @Temperature 105 - 1000 °C	34.6 % @Temperature 221 - 1830 °F
Particle Size	15 µm	15 µm	Median Grain Diameter
Specific Surface Area	1.3 m²/g	1.3 m²/g	BET

Mechanical Properties	Metric	English	Comments
Hardness, Mohs	3	3

Electrical Properties	Metric	English	Comments
Electrical Resistivity	25000 ohm-cm	25000 ohm-cm

Optical Properties	Metric	English	Comments
Refractive Index	1.58	1.58

Component Elements Properties	Metric	English	Comments
Fe2O3	0.010 %	0.010 %
Na2O	0.20 %	0.20 %
SiO2	0.010 %	0.010 %

Descriptive Properties
Al(OH)3 wt %	99.7
Crystal Structure	Gibbsite
Sieve Analysis (%)	3		> 45 µm

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CNABAL05 / 54530

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