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Journal of Nanoparticles
Table of Contents
Special Issues
Journal of Nanoparticles
/
2013
/
Article
/
Tab 1
/
Research Article
Metal Oxide Sol-Gels (
, AlO(OH), and
) to Improve the Mechanical Performance of Wood Substrates
Table 1
Hardness (Mohs scale) and refractive index of frequently used particles in the coating industry at the micrometric scale.
Properties
Al
2
O
3
SiO
2
ZrO
2
TiO
2
ZnO
Hardness
(Mohs scale)
8.0-9.0
7.0
8.0
5.5-6.5
5.0
Refractive index
1.7-1.8
1.55
2.15
2.6
2.02