6 ms·
> You can use propane for the refrigerant. Used in medical/scientific freezers that go down to -80C: * https://www.thermofisher.com/ca/en/home/life-science/la
by throw0101a 5y ago
> You can use propane for the refrigerant.
Used in medical/scientific freezers that go down to -80C:
* https://www.thermofisher.com/ca/en/home/life-science/lab-equipment/cold-storage/lab-freezers/ult-freezers/models.html https://www.thermofisher.com/ca/en/home/life-science/lab-equ...
A combination of R290 (propane) and R170 (ethane) + R290 mix.
- throwawayboise 5y agoA mix of propane and iso-butane can be used (perhaps illegally, depending on where you are) as a replacement for old R12 refrigerant.
- frosted-flakes 5y agoConfusingly labelled as R12a and sold under brands such as RedTek. This is the only type of refrigerant available to unlicensed consumers in Canada, and it is widely available in stores everywhere. R134a is not sold in stores here. The US is the opposite—R134a is available to DIYers everywhere, but R12a is banned because it is flammable.