Signs of material expiring

@DennisGreenlaw wrote:

Hi,

Is bubbling a sign that a material is expiring?

Lately I'm noticing more bubbling inside our Form 1+ Gray prints, especially along straight edges, and I was wondering if this indicated that the resin was about to go bad. If so, I"m not surprised since this bottle was purchased quite some time ago. (I'll need to check the exact date.)

But if not, I was a little concern that bubbling meant something more serious.

Thanks in advance for any helpful info.

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