data sheets qk150

 

Typical Physical Properties
product qk-150
true density g/cc 0.75
density g/cc 0.39
crush strength psi 4500
D10 microns 45
D50 microns 76
D90 microns 125
top effective size microns 150
floating ratio 95%
thermal conductivity W/mK 0.08
oil obsorption g/cc 0.5
hardness Moh's scale 6
pH Value 6-8
melting point 1600 degree C
color 70WhH*
Looks like free flowing powder

* WhH=hunter Lab index

Typical Chemical Composition
Chemical name typical value
SiO2 54%
Al2O3 41%
Fe2O3 1.8%
CaO 1.1%
TiO2 0.23%
MgO 0.8%
K2O 1.2%
Na2O 0.5%
loss on ignition 0.5%