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Specialty Compounds RTP Company

Nabaltec APYRAL® 40 VS1 Al(OH)3
Categories: Ceramic; Oxide; Aluminum Oxide; Other Engineering Material; Additive/Filler for Polymer

Material Notes: The high quality and performance of our surface treated APYRAL® 40VS1 and APYRAL® 60VS1 powders complete the APRYAL® product range for highly specialized applications. Examples include, excellent tracking resistance in electronics and extreme low water absorption of HFFR cable compounds, where vinylsilane modified APYRAL® products are almost indispensable.

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 PropertiesMetricEnglishComments
Bulk Density 0.350 g/cc0.0126 lb/in³
Density 2.40 g/cc0.0867 lb/in³
Brightness 91 %
@Wavelength 457 nm
91 %
@Wavelength 457 nm
Whiteness; Elrepho
Oil Absorption 33 %33 %ml/100 g
Moisture Absorption at Equilibrium 0.20 %0.20 %
Loss On Ignition 34.6 %
@Temperature 105 - 1000 °C
34.6 %
@Temperature 221 - 1830 °F
Particle Size 1.5 µm1.5 µmMedian Grain Diameter
Specific Surface Area 3.5 m²/g3.5 m²/gBET
 
Mechanical PropertiesMetricEnglishComments
Hardness, Mohs 33
 
Electrical PropertiesMetricEnglishComments
Electrical Resistivity 33333 ohm-cm33333 ohm-cm
 
Optical PropertiesMetricEnglishComments
Refractive Index 1.581.58
 
Component Elements PropertiesMetricEnglishComments
Fe2O3 0.010 %0.010 %
Na2O 0.20 %0.20 %
SiO2 0.30 %0.30 %
 
Descriptive Properties
Al(OH)3 wt %98.5
Mechanical Properties as AdditiveElongation at break: 240 %
 Tensile Strength: 14 MpaHFFR-EVA cable compound
Sieve Analysis (%)0.05> 45 µm

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