FIBERTEC
Reinforcing the plastics industry
35 Scotland Boulevard  Bridgewater, MA 02324  508-697-5100  Fax 508-697-7140  www.fibertecinc.com
MUSCOVITE MICA
TYPICAL PRODUCT SPECIFICATION
( WET GROUND)
Chemical Composition
MINERAL DESCRIPTION
Component
SiO 2
Al 2 O 3
K2O
Na 2 O
MgO
Fe 2 O 3
L.O.I
Moisture
TYPICAL
48
33
10
1
1
6
4
< 0.20
MICA
20U
MICA IS A GENERIC TERM APPLICABLE TO THE
GROUP OF COMPLEX ALUMINOSILICATE MINERALS
THAT OCCUR NATURALLY IN PLATE OR SHEET-LIKE
FORM.
Typical Properties
Appearance
Morphology
pH
Specific Gravity
Refractive Index
Moh’s Hardness
Decomposition
Temp. oC
Off-white powder
Platy
7–8
2.7 – 3.0
1.58
2.5 – 3.5
400 – 500
MORPHOLOGY
PROPERTIES
1
D50
D901
21 microns
54 microns
Loose Bulk Density
(g/cc)
(lbs/ft3)
0.25 +/- 0.04
15.6 +/- 2.3
Tapped Bulk Density
(g/cc)
(lbs/ft3)
0.31 +/- 0.05
19.4 +/- 2.9
WET SCREEN ANALYSIS
% -100 mesh
% -325 mesh
100
95
Oil Absorption
1
68
Malvern Mastersizer
Final determination of the suitability of the material for the use contemplated is the sole
responsibility of the user. No warranty is expressed or implied, and the manufacturer’s only
obligation shall be to replace such quantity of the product proven to be defective.
F 8.0-7, Rev. 1