I am trying this filament and for the 3rd time now, I am getting these strange white spots.
Any clue what might be causing them?
Door closed and never opened since 50 Celsius chamber start.
Thank you.
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Might be caused by low nozzle temps, try raise it by 10C or even 15C
Thank you for the idea.
So far I have raised the bed temperature from 90 to 100 Celsius while printing and I could clearly see a big improvement right then and there.
Next piece will stay on 90 Celsius for bed and raise the nozzle by 10 Celsius.
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it’s a nice chamber temp, 90C should be good enough no need to warm it up too much, because the higher the bed temp, the higher chance it get warped after print (if bed adhesion is not a problem).
Just in case of confusion:
High bed temp = better bed adhesion usually, but also, larger temperature difference between top and bottom. When the print is over and the part is cooling down, the bed would continue to heat up the bottom part for some time while the top part would cool down and shrink, so a high bed temp would result in more warping force in this case.
Lowered the bed temperature back to 90 Celsius and raised the nozzle to 265 and 270 Celsius.
White spots came back.
Back to 100 Celsius bed and 260 Celsius nozzle and after two more pretty large prints, no more white spots. Same spool.
Reading the specs for this filament it seems 97.5 Celsius is the maximum for bed, but for some reason 100 Celsius works for me.
Printed parts come out perfect without any visible defects.
It is possible to strenght takes a toll, but I can’t test that.
Thank you for the help.