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MNDesign81
26th February 2018, 01:44 PM
On Saturday we went through & organized our "color room". In the 1990's we went to exclusively color concentrates.
Since then we have collected " a ton" of obsolete colorants, not to mention the dry colors that go back to the '70's.
What is the best way to dispose of these??
brentb
26th February 2018, 03:10 PM
Do you have MSDS Sheets on them?

KOM
brent
MNDesign81
26th February 2018, 03:24 PM
Maybe for some of the old colors & from the larger manufacturers.
Most come from a small local supplier that does not provide them.
brentb
26th February 2018, 04:28 PM
Land Fill could be a problem if heavy metals are present. Are you in California perchance?

KOM
brent
MNDesign81
27th February 2018, 06:27 PM
I'm in New York.
I do not want to go the landfill route.
At one point I was handling an auction for the SPE NY Section. Donations to benefit our scholarship fund. I had someone who wanted to donate a 40' container of various color concentrates. We declined.
Every molder collects obsolete colors. There must be some responsible way to dispose of them.