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Fillite is a lightweight, free flowing, spherical, glass hard, inert, hollow sili-cate sphere.
It is primarily used to reduce the weight of materials but also imparts further benefits in many
applications such as filler loading and improved rheological properties as a direct attribute to their spherical shape.
Fillite is a glass hard, inert, hollow silicate sphere. Fillite is primarily used to reduce the weight of plastics, rubbers, resins, cement, etc., but also imparts further benefits in many situations. Many of the advantages from the use of Fillite, including increased filler loading and improved rheology, are directly attributed to the spherical nature of the material.
- Gray in Colour
Refractories, PVC flooring, oilwell cements, brake linings, Phenolics, Epoxies, Cast Polyesters, synthetic marbles, syntactic foams, BMC, SMC and FRP. Low density cements, shotcrete and gypsum board joint compounds. Automotive sound-dampening sheets.
Reduced weight, increased filler loadings, better flow characteristics, less shrinkage and warping. Improved physical properties in moldings, castings and laminates, reduced water absorption, improved flame retardance, improved chemical resistance.
|Average Particle Density||0.6-0.85 g/cc (44lbs/ft3)|
|Average Bulk Density||0.35-0.45 g/cc (25lbs/ft3)|
|Hardness||Mohs Scale 5|
|Average Wall Thickness||5%-10% Sphere Diameter|
|Melting Temperature||1200?-1350?C (2190?-2460?F)|
|Thermal Conductivity||0.11 Wm-1K-1|
|Loss on Ignition||2% maximum|
|Surface Moisture||0.3% maximum|
|Crush Strength||105-210 kg/cm2 (1500 – 3000 psi)|
|Particle Size Range (microns)||5-500|
|Particle Size Distribution|
|% Passing 500 microns||100|
|% Passing 300 microns||85-100|
|% Passing 180 microns||—|
|% Passing 150 microns||30-80|
|% Passing 106 microns||25-55|
|% Passing 50 microns||2-10|