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Isopropyl Alcohol (IPA)

Isopropyl alcohol (IPA) is great for rinsing parts and cleaning liquid resin. Keep plenty on hand to satisfy your printing needs. IPA is a chemical and should be handled with safety in mind.

Applications

  • Rinsing parts: use the rinse tub or squeeze bottle included with the Form Finish Kit to wash liquid resin off your completed parts.
  • Cleaning resin spills: IPA dissolves liquid resin and is great for cleaning spills.

Warning

When cleaning the Form 1+'s acrylic cover, do not use IPA or other ammonia-based cleaners, which can crack and damage acrylic. Instead, use a special acrylic cleaner like Novus 1.

Buying IPA

Isopropyl alcohol (also referred to in chemistry as isopropanol or 2-propanol) may be known by different names depending on your location. In the USA, it can be called “rubbing alcohol”, while in the UK it's known as “surgical spirits”. We recommend buying 90% IPA from your local pharmacy or online. Higher concentrations of IPA are available, but are much more hazardous to manage, while 90% solutions are safe for household use.

Handling IPA

Handle IPA with gloves in a well-ventilated area. Keep away from heat, sparks, and open flame. IPA evaporates rapidly, so keep the rinse tub and bottles closed whenever possible.

Disposing of Used IPA

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After some time, the IPA in your rinse tub will become saturated with resin; this decreases its efficacy in rinsing new parts. Safe and appropriate disposal methods of used IPA will vary by location. Store small quantities of used IPA by keeping it in appropriately-labeled and sealed containers. We suggest pouring it back into an empty IPA bottle using a funnel.

Warning

IPA is flammable and should be used and stored away from sources of ignition.

We recommend the following steps to determine the correct method of disposal: 

  1. Research your local government's approved methods of disposal.
  2. Inform your waste disposal service that your bottle contains IPA with small amounts of methacrylated monomers and oligomers (unpolymerized plastic resin) and trace amounts of photoinitiator. Have a copy of the SDS on hand in case the attendant needs more information.
Contact Support

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