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| Alcan FRF 20 |
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| Alumina trihydrate |
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| 21645-51-2 |
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| ALCAN FRF grades are supplied in a range of particle size distributions to suit the processing and finished product needs of customers in the rubber and plastics industry who wish to benefit from the flame retardant and smoke suppressant qualities of alumina hydate. |
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Appearance: White crystalline powder
Chemical Analysis:
Constituents: %:
Al2O3(by difference): 65.1
Combined H2O: 34.5
Na2O (total): 0.25
Na2O (soluble): 0.05
CaO: 0.02
SiO2: 0.01
Fe2O3: 0.008 max.
V2O5: 0.002 max.
Cu: 0.001 max.
Mn: 0.00015 max.
pH 20% w/v slurry: 9-10
Screen Analysis: Max % retained on: 200 mesh Tyler: 0.1, 325 mesh Tyler: 10
Median Particle Size: Sedigraph: 13, Coulter Counter: 17
Untamped bulk density (g/cc): 0.8
Oil Absorption (g/100g):21
Specific Gravity: 2.42
Refractive Index: 1.57
Mohs' Hardness: 2 1/2-3 1/2
Decomposition Temperature: 200-250C |
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