Question/Answer

What are the significant figures for your preweights in ug amounts, please send me an example coa

The cassettes are weighed to 5 decimal places. They do not come with a COA.

Is there an expiration date for these cassettes?

We have not set any sort of expiration date for this product. We have heard of other users putting internal expiration times on them but we do not have any data one way or the other as to how long is appropriate.

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