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Water cooling - coolant mixtures

aiccc

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Hi

Does anyone mix/make their own coolant. ie. from base products/chemicals.

distilled water,
corrosion inhibitors,
biocide
surface tension modifiers
 
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aiccc

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Ethylene glycol

R35 per litre

20% ethylene glycol

According to the MDS. it contains only four compounds,
distilled water(non medical grade)
Ethylene glycol,
biocide <2%,
anti-forming agent( surfactant substitute) <2%.


Propylene glycol

Most watercooling mixtures use propylene glycol.
propylene glycol is not poisonous to humans in moderate doses.

Dangers

inhalation at room temp. exposure to vapours are minimal due to physical properties
Most dangerous due to ingestion.
no cancer risk

Do not suck fingers or drink

Other info


FYi 5L of medical grade distilled water is R 110 at pharmacy. Cheaper per liter if you buy 20L.
Auto zone non medical grade distilled water 5l at R 160


Branded pre-mix
R 269 per liter

MSDS (see page 11)
 
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