H-WF-1 ALUMINA TRIHYDRATE
DESCRIPTION
H-WF-1 alumina trihydrate is a flame retardant and smoke suppressant.It is a fine particle-sized product.H-WF-1 has precise particle size distribution,low absorbed water and low soluble electrolytes contant.
H-WF-1 is a full performance and price competitive alternative to fine particle precipitated alumina trihydrate.It has been designed for rapid and complete dispersion in polyethylene and ethylene copolymers.Thermoplastic or cross-linked compounds made with H-WF-1 show low viscosities which result in favorable processing,particularly at high filler loadings.
H-WF-1 has demonstrated superior mechanical properties in polyolefin based compounds when compared with traditional ground alumina trihydrate .Mechanical properties observed with H-WF-1 are comparable to fine particle precipitated alumina trihydrate.
Applications indlude wire and cable jacketing and insulation and injection molded and extruded polyolefins,coatings adhesives,rubber goods,paper filler and coating,PVC,EPDM,EPR,ABS,XLPE and compression molded Thermosets.A complete range of surface modifications is available to aid processing and enhance physical properties.This include silanes,stearates and wetting agents.
TYPICAL ANALYSIS
Al(OH),% 99.6
SiO2,% 0.01
Fe2O3%, 0.01
Na2O(total),% 0.25
Na2O(soluble),% 0.01
Loss on ignition(550ºC),% 34.5
Free Moisture(105ºC),% 0.3
TYPICAL PROPERTIES
% through 325 mesh 100
% through 500 mesh 99.995
Median Particle Diameter,microns 1
Surface Area,(m2/g) 4-6
Specific Gravity(gm/cm3) 2.42
Bulk Density,loose(gm/cm3) 0.3
Bulk Density,packed(gm/cm3) 0.75
Oil Absorption(ml/100g) 38
TAPPI Brightness 97
PH Value 7.5-9.8
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