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MAPP Plastics Discussion Forum

The MAPP Plastic Industry Discussion Forum allows members to rapidly communicate with each other. Post both questions and answers to questions that other MAPP members have about any industry topic from material and process issues to R&E Tax Credits and other business issues.

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Posted:  31 Jan 2013 15:57
I would like to get some feedback from those who may have used dry ice cleaning for their injection molds. We are thinking about investing in some equipment and would like to know the pros and cons.

Best regards,

Bill Warrenfeltz
Posted:  31 Jan 2013 17:00
Bill, I'm not sure if you've examined ultrasonic cleaning but there is a discussion on MAPP's site about it: ...

Posted:  31 Jan 2013 17:59
Bill, check out the latest addition of Plastics Business Magazine as there is a 4 page article focused on the use of Dry Ice cleaning for molds.

Troy Nix
Posted:  31 Jan 2013 22:25   Last Edited By: ATEK Plastics, Inc.
We use dry ice cleaning here and it works great for parting line pm's when the mold is in the press. The dry ice machine works much better then using abrasive materials by hand such as scotch brite pads etc.. that roll corners, edges and eventually create flash. We use ultrasonic cleaning when we are doing full pms in the toolroom. One con is keeping the ice supply if you call that a con and another is if you break a tip they are very expensive. This piece of equipment has saved us tremedous downtime. Overall this is a very good piece of equipment to have especially if you run resins that out gass alot or plate out the vents frequently. 

Posted:  05 Feb 2013 20:12
Great tool for on-press PMs of molds.  Ditto everything Bradley said.  We have also found it useful in situations requiring deflashing or texturing molded plastics.  Useful for basic cleaning of barrels and screws.

Eric Paules
Posted:  06 Feb 2013 17:28
I concur with Bradley and Eric. I have used to clean off a silk screen machine that had not been cleaned in years. It worked great and did not hurt any of the electronics.

Broc U.
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