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Food Grade Rust Inhibitor


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#1 mzenas

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Posted 25 October 2016 - 02:16 PM

Hello everyone.

 

Is there such a thing as a food safe rust inhibitor?  If so...who to contact.  Thanks!!    Mark



#2 ctzinck

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Posted 25 October 2016 - 02:21 PM

a google search gave this result:

 

http://www.lpslabs.com/food-products

 

 



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#3 Charles.C

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Posted 25 October 2016 - 03:22 PM

Hello everyone.

 

Is there such a thing as a food safe rust inhibitor?  If so...who to contact.  Thanks!!    Mark

 

Last time this question was posted, I believe there were no viable solutions proposed. Unless perhaps you consider food grade vegetable oil may inhibit rust.


Kind Regards,

 

Charles.C


#4 Charles.C

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Posted 25 October 2016 - 04:07 PM

addendum

 

I imagine the nearest you can get to "true" food grade is "food-grade" H1. Google has a list of such options. I believe rating H1 includes caveats.

 

The 2 products offered in link of post 2 look to not be H1


Kind Regards,

 

Charles.C


#5 Charles.C

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Posted 25 October 2016 - 07:40 PM

addendum 2

 

Sorry, forgot the list, eg -

 

http://www.globalspe...c/feat_food_fda

 

http://www.globalspe...sion_inhibitors

 

https://www.rocol.co...sion-protection


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Charles.C


#6 Ambersil MRO

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Posted 26 October 2016 - 08:28 AM

There are such things as "Food Grade" Rust inhibitors, usually oil based, as already suggested. Depending on your HACCP definition of "Food Grade" and what auditors expect, is what will limit (or expand) your choices of product. It is also worth considering what the rust prevention time desired is, and the environment it is stored in. Short term, dry and non-humid environment will allow almost any suitable product to be used. High humidity, warm environments will require a more complex product. Short-term (days) is easy, long-term (months) is more difficult.

* At the "safest" end of the spectrum are edible oils, but without additives to enhance stability, these are generally very short term.
* Next are NSF category code products such as 3H (www.nsf.org) which are ideal for short-term anti-corrosion where food contact is going to occur (e.g. meat hooks).
* For improved corrosion protection, H1 lubricants offer a more diverse range of options but must be removed prior to food contact (only accidental contact allowed). In this category, you will find oils with an additive package to improve performance.
* NSF H2 category really opens things up, but the proviso is that there must be NO food contact, so removal and rinse is vital. Although classified as "lubricants" there are plenty of options marketed as "anti-corrosion" as there is no definitive NSF category for this.
* Finally, if your definition of "food grade" is based on a robust HACCP audit that identifies non-NSF registered or non-FDA ingredients (basically any old industrial stuff) then these maybe suitable, but the onus on the documented risk reduction is key to safe use.

The above may classified as "temporary" protection from corrosion - even if the time is measured in a couple of years. For "permanent" protection, you are looking at paints and the NSF category code R1 or R2.

Regards,
Kieran

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#7 Charles.C

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Posted 26 October 2016 - 04:14 PM

Basically, in terms of commercial Products, the answer to the OP as stated would simply seem to be NO.

 

@Ambersil, I rather disagree with yr interpretation of the use of H1 lubricants. i would have thought the exact opposite was the usual operational conclusion. ?

How many "incidental" contacts are allowed per day would be useful to know though.


Kind Regards,

 

Charles.C


#8 mzenas

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Posted 26 October 2016 - 05:23 PM

Thanks guys

 

FOODLUBE Penetrating OilSynthetic Lubricant (LPS)

 

NSF H1 registration #147493 (aerosol); #147494 (bulk)

 

This would be for storing thermoformer molds/tooling.  And the actual molds that touch the plastic are aluminum...so it would only be used on the steel components.

 

Our SOP calls for cleaning/sanitizing before production. 



#9 Charles.C

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Posted 26 October 2016 - 06:04 PM

Hi Pondo,

 

Here are some definitions stated to be provided by NSF. I suggest to study them carefully if rust prevention was your primary objective.

http://www.foodquali...line-exclusive/

 

One might compare the above details with this product line –

http://www.belray.co...rade-lubricants

 

PS - @ Ambersil, after reading up on this topic via the above i do agree with yr H1 comment from a rust prevention POV. Thks.


Kind Regards,

 

Charles.C


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#10 Charles.C

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Posted 27 October 2016 - 04:15 AM

hi Pondo,

 

JFI, this appears to be the FDA's chemical viewpoint on "lubricants" which may have incidental food contact.

 

Attached File  lubricants which may have incidental food contact.png.pdf   285.54KB   20 downloads

 

 


Kind Regards,

 

Charles.C


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