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E-SPHERES
(white microscopic hollow ceramic spheres) :
[Manufactured by: Envirospheres,
Australia]
E-SPHERES are
white microscopic hollow ceramic spheres that are ideal for
a wide range of uses. Looking just like a white powder to
the naked eye. E-SPHERES are used in a variety of manufacturing
applications because of their unique properties:
- extreme
heat resistance
- high
compressive strength
- pure,
clean and white
- reduced
weight, shrinkage and sag
- improved
impact resistance and thermal shock resistance
- improved
thermal insulation
- a
minimum surface area-to-volume ratio
- an
increased stiffness-to-weight ratio
- chemical
stability
- improved
rheology
- non-absorbency
- non-flammable
- potential
savings through lower resin/binder usage
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E-SPHERES
can improve the properties and performance of many formulated
products :
|
Products
|
Key
Benefits
|
Typical
Applications
|
| Paints,
Coatings and Plasters |
colour,
reduces cost, reduces weight, improves rheology, reduces
sag/shrinkage, improves thermal insulation and impact
resistance, chemically inert and non-absorbent |
high-build,
thermal insulation, chemical and slip-resistant coatings,
roof coatings, plasters/renders, auto under-body and sound
dampening |
| Refractory/Foundry |
high
melting point(1600 DegC+), high compressive strength,
non-flammable, thermal insulation |
insulating
bricks lightweight castables foundry products |
| Composites/FRP |
lower
weight, increases stiffness, greater thermal insulation,
improves impact resistance, saves raw material costs,
chemically inert and non-absorbent |
casting,
spray-up, hand lay-up, cold/hot press moulding, resin
transfer moulding, syntactic foam |
| Cementitious
Products |
reduces
weight, slump/shrinkage control, increases thermal insulation,
improves flow and pumpability |
mortars,
glass reinforced cement, hydraulic concrete, lightweight
panels and mouldings, polymer concrete |
| Caulks,
sealants, putties and adhesives |
reduces
weight, shrinkage and cracking, improves flow and workability,
colour, cost reduction, better nail/screw grip |
crack/joint
filling, tile adhesives, automotive/marine bodyfillers |
Product
Grades Available :
 |
Nominal
Particle Size Range In Microns
|
Approximate
Particle Mean in Microns
|
Comments
On Grade
|
| E-SPHERES
SLG |
20
- 300
|
130
|
General
Multipurpose
|
Technical
Specifications :
|
Technical
Details
|
Physical
Properties
|
| Form |
Free
flowing white powder |
| Particle
Size |
12
- 500 microns |
| Colour |
White |
| Relative
density |
0.6
- 0.8g/cc |
| Bulk
density |
0.4g/cc |
| Shell
thickness |
approx.
10% of diameter |
| pH
of water dispersion |
6
- 8 |
| Melting
point |
1600
- 1800 Deg. C |
| Compressive
strength |
6,500
psi (45 MPa) |
| Hardness |
6
Moh's scale |
| Refractive
index |
1.53 |
| Thermal
conductivity |
0.1
W / m / Deg.C |
| Oil
absorption |
7g/100g |
|
Chemical
Properties
|
Typical
(By Weight)
|
| Silica
SiO2 |
55
- 60% |
| Alumina
Al2O3 |
36
- 40% |
| Iron
Oxide Fe2O3 |
0.4
- 0.5% |
| Titanium
Dioxide TiO2 |
1.4
- 1.6% |
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