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Re: Chalk and Silver.

Author: The Doctor ★2017
Date: 2018-08-12 15:53

Disclaimer (I sell an anti tarnish little sachet to prevent tarnishing)
I have been asked by customers how long this product should last before replacement. The product is an industrial air scrubbing collection of air semi-permeable tiny beads that are mostly used in conjunction with fruits (tomatoes and bananas) where ethelyne oxide accelerates ripening. The compounds in these little beads absorbs ethylene oxide and also sulfur compounds in the air. Sulphur is present in air when wood, coal, gasoline etc. are burned so it is a byproduct of combustion or as spewed out by volcanoes (beware Hawaii clarinet players).

But, to the question. It depends on how much you open and close your case mostly or if you are in an urban environment with a lot of air pollution. In general it depends on the mass of absorbent material. In my observations the activated charcoal coated paper strips (3 M) last about a month with daily opening and shutting the case. My sachets have about 100 times the mass but are not as efficient at scrubbing sulfur compounds as activated charcoal but last about 3 months for me at preventing tarnishing. The beads are in a Mylar packet and can be in contact with anything in the case with no harm.

L. Omar Henderson - Doctor's Products
www.doctorsprod.com

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Chalk and Silver. new

Rusty

2009-05-15 22:23