剛剛睇到......姐係用 PETG 唔太好 ?
There are many types of Glycols and the one that has been scientifically proved to be dangerous for PETG is Ethylene Glycol (the one used to create PETG on the first place), I am attaching for general information a list of Chemical-Resistance tests performed against different materials. On this file you will find all the different chemical tests performed against PETG and for example you will be able to confirms that after several days of direct exposure to Propylene Glycol nothing happened to the PETG material.
That video states that Koolance is not safe for PETG, if you read the list of Ingredients for the product LIQ-702 you will notice that it doesn't use Ethylene Glycol, it uses Propylene Glycol:
Ingredients Conc. %
Distilled Water 70 – 75
Propylene glycol 25 – 30
Others (Proprietary) - - 0.2 – 2.0
The video also mention that Mayhems is not safe to use for PETG when in fact their coolants do not use Ethylene Glycol neither, in fact their latest coolants don't even use any type Glycol for an instance.
The person that made that video needs to get the facts better, PETG is safe to use with most of the ready mix coolants on the market, but if you want to be 100% just verify that the coolant that you want to use for your loop do not contain Ethylene Glycol, if it uses any other type of Glycol check the charts on the file that I uploaded to confirm its compatibility.
Greetings. |