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| Alcan Ultrafinc UF11 |
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| Alumina trihydrate |
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| 21645-51-2 |
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ALCAN ULTRAFINE and ULTRAFINE 'E' grades of alumina trihydrate are white crystalline powders with the chemical formula Al(OH)3, alternatively written as Al2O3-3H2O.
ALCAN ULTRAFINE products are sub-micron in particle size.
In common with the FRF, FRFLV and SUPERFINE product ranges ALCAN ULTRAFINE products utilise the release of combined water to impart high performance flame retardant and smoke suppressant properties in plastics and rubbers.
Advantages of ALCAN Ultrafine Grades: Halogen free flame retardancy, Delayed ignition, Retarded rate of burning, Reduced smoke emission, Replaces other fillers, Extremely low electrolyte levels, Safe to handle, Cost effective, Can be supplied pre-coated
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Surface area (m 2/g): 11
Screen Analysis: 45 m (350BSS) max % on: 0.005
Median particle size (um): 0.9
Bulk density (g/cm 3): Untamped: 0.55, Tamped: 0.70
Oil absorption value (g/100g): 30
Free moisture (%):0.7
Soluble Na2O content (%): 0.11
pH (5% w/v slurry): 9.5
Brightness: 85
Specific Gravity: 2.42
Refractive Index: 1.57
Moh's Hardness: 2.5-3.5
Chemical Analysis (%) - Al2O3 (by difference): 65.1, H2O (combined): 34.5, Na2O (combined): 0.12-0.21
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additive, adhesive & sealant, cosmetics, paint & coating, paper & pulp additive, plastic, polymer, resin, monomer, rubber & additives |
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