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Barrie(Badger)Etter  
#1 Posted : 12 November 2013 10:42:15(UTC)
Rank: Super forum user
Barrie(Badger)Etter

Of the six restricted substances my company has a main concern with lead in solder. As I understand it we are restricted to 0.1% lead per product item weight.
Now my query is, is the 0.1% lead weight wise in the solder only or includes the metal part it is soldered to, weight wise?

All help on this matter will be appreciated.

Badger
jfw  
#2 Posted : 12 November 2013 13:56:13(UTC)
Rank: Forum user
jfw


I have worked with a number of customers to prove that materials supplied comply with the RoHS directive.

The directive states that no more than the maximum concentration value by weight in homogeneous materials shall be tolerated.

What this means is that the limits do not apply to the weight of the finished product, or even to a component, but to any single substance that could (theoretically) be separated mechanically.

Therefore in answer to your question, it applies only to the solder, as this could be separated in the future.
Barrie(Badger)Etter  
#3 Posted : 12 November 2013 15:10:45(UTC)
Rank: Super forum user
Barrie(Badger)Etter

Thanks for that.
You have confirmed what I was thinking of in the meaning of the guidance.

Badger
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