|
 SHAWATEC®
SHAWATEC® vermiculite is naturally hydrated
mica, which expands to 15 times its thickness when heated rapidly. The
exfoliation of the crude vermiculite is performed in CMMP's Saint Quentin plant (France).
Typical Characteristics
Chemical
analysis
|
SiO2
|
38,6 %
|
|
Al2O3
|
10,5 %
|
|
MgO
|
23,3 %
|
|
Fe2O3
|
5,9 %
|
|
CaO
|
2,7 %
|
|
TiO2
|
0,4 %
|
|
L.O.I.
|
18,2 %
|
Physical properties
- Incombustible
- Insoluble in water and
organic solvents
|
Melting
point
|
1315 °C
|
|
Specific
Heat
|
0,84-1,08
kJ / kg.K
|
|
Thermal
conductivity
|
0,65 W
/ m.K
|
|
pH
|
8
|
|
Cationic
exchange capacity(Mg2+)
|
90-100 meq / 100g
|
|
Water
absorption (by weight)
|
200-325
%
|
|
Water
absorption (by volume)
|
20-50 %
|
Applications
SHAWATEC® vermiculite is available in crude
or exfoliated products. Insulating material, SHAWATEC® vermiculite is fireproof, lightweight,
chemically inert and non-toxic. These characteristics added to its high
cationic exchange capacity and excellent absorbency make it a perfect
material to use in a wide range of applications :
- Agriculture
- Animal feed
- Fire protection coatings
- Foundry
- Friction products
- Hazardous waste
absorption
- Horticulture
- Insulating boards
- Lightweight concrete
- Packaging
- Plasters
- Thermal and acoustic insulation
|
Fire protection coatings
|
Standards
SHAWATEC® vermiculite fits to the following
standards :
- I.O.M. Labo ref./ct 1302 rapport n°
A5244, 9/5/96 U.K.
- EN 71/3 (Food
contact)
Grades
|
Reference
|
Grainsizing
|
Density (g/l)
Exfoliated
|
|
|
Crude
|
Exfoliated
|
|
|
Micron
|
0-500 mm
|
0-1 mm
|
90-140
|
|
Super fine
|
200 mm-1 mm
|
200 mm-2 mm
|
80-120
|
|
Fine
|
300 mm-2 mm
|
300 mm-3 mm
|
75-110
|
|
Medium
|
700 mm-4 mm
|
700 mm-5 mm
|
72-90
|
|
Large
|
1 mm-8 mm
|
1 mm-10 mm
|
65-85
|
Additional documentation
- Technical
and safety datasheet
For additional
information, please contact us:
CMMP
45, rue de Saint-Petersbourg
75008 Paris
FRANCE
Tel : +33 1 43 87 45 75
Fax : +33 1 42 94 96 32
E-mail : cmmp@cmmp.fr
|
