
Figure 15. 30%CaCO
3
+70% PEEK-OPTIMA®.
Table 2. AOR results of dried and sieved materials.
Materials Angle of Repose (
◦
)
EOS HP3 42.4 ±1.1
PEEK-OPTIMA® 52.8 ±0.9
Dried EOS HP3 40.1 ±0.7
Dried PEEK-OPTIMA® 51.6 ±1.0
Sieved EOS HP3 41.3 ±0.6
Sieved PEEK-OPTIMA® 50.3 ±1.0
flow best, increase of concentration leading to a lower
AOR and therefore better flow. The AOR values have
also been carried out on the dried and sieved EOS HP3
and PEEK-OPTIMA® grades in order to investigate
the effect of water adsorption and narrow particle size
distribution, respectively.The powdershavebeendried
in an air circulating oven at a temperature range of
140–160
◦
C for 21–22 hours. ...