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Reaction of Acidic products in Can Lacquers


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#1 Prabindas k

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Posted 30 May 2019 - 03:19 PM

Dear All,

 

     Hope all are doing well, 

 

   During an audit we faced a question that " How can we assure tat lacquers applied Food packaging cans are suitable for acidic food products packaging?"  can anyone help me is there any reference standard/study method available to justify this. Our product is Tomato Paste having 4.3-4.5 pH range.

 

Thanks well in advance..

 

Prabindas.K

Quality Assurance Executive

 



#2 LDG_Honey

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Posted 30 May 2019 - 06:30 PM

I assume you are talking about the lacquer that is applied inside the can to prevent corrosion of the metal.
 

The supplier of the cans should be able to give you a safe pH range for the package.

If they can't, knowing what kind of lacquer it is should help you find out on the internet.

You can also test it if you have the budget or the time



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#3 Prabindas k

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Posted 03 June 2019 - 03:03 PM

Hi,

     Thanks for the reply..



#4 Leila Burin

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Posted 13 June 2019 - 08:56 AM

Dear Prabindas.K,

they shall comply with UE 10/2011:

https://eur-lex.euro...ELEX:32011R0010

 

The internal lacquering could be a polyesther, gold epoxy....etc---> plastics

best regards

Leila



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#5 Prabindas k

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Posted 17 June 2019 - 02:53 PM

Very useful information, Thanks,,,






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