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 Repraps and DIY 3D Printing!, Open source hardware~

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aeiou228
post Mar 29 2018, 09:09 AM

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QUOTE(BeastX @ Mar 29 2018, 08:34 AM)
The silica gel blue (when dry), pink (when wet) is non-food safe... and no longer used with food stuff...

blue/pink colour indicator through infused colbalt chloride.

I'm not aware of any Dimethyl fumarate application used for absorption of moisture... and I'm a scientist...
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I'm using it for storing non food item in plastic storage boxes. I recharge it in microwave oven and air flyer and clean the oven thoroughly after used. What health hazard I might be risking ? Thanks.
aeiou228
post Mar 29 2018, 09:48 AM

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QUOTE(BeastX @ Mar 29 2018, 09:29 AM)
The blue ones (of even the white ones)... with multiple quick heating may crack the beads to powder/dust form... and if you breath in these dust it may cause "lung disease silicosis"....

Also Cobalt (II) chloride that's infused (blue/pink indicator) is a possible carcinogen (causes cancer)

Here's the MSDS: http://datasheets.scbt.com/sc-252623.pdf
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Wow !. Didn't know that. Thanks. notworthy.gif
I use disposable moisture absorbers too (similar to that of thirsty hippo). Are they health hazard too?
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