Hi,
I had a question from our ISO guy asking me how I know that the paste we use is in good condition? The problem is that he saw our operator put some old paste back in a empty jar to reuse it the next day. So his question is how do you know the paste has been on the stencil below the maximal hour wrote in the datasheet? Do you know any measure than I can take to certify that the paste in good? like viscosity or something else? And how I do that? Because I'm pretty sure that is next question will be how I know the new paste we just receive is good too.
Thank You
Yannick
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