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topic 9698

Rubber to spring steel/metal bonding


We have spring steel to rubber(NBR) products in our manufacturing range. Recently we have been facing problem of rust formation at the bonding edge. We have shifted our factory to an industrial area where 90% of industry are casting industry and 500 meter from our factory is electroplating industry. Is this the reason for poor bonding? Please advise.

Thanks in anticipation.

Mustufa H Madraswala
- Coimbatore


Dear Mr Mustufa,

Brass plating is normally used as a bonding media between steel to rubber. Try to get your nearby platers help in doing either brass plating or at least a Hot phosphating done on your steel parts to get it to bond better.

No I don't think his plating shop fumes have anything to do with your bonding problems unless until you are actually seeing your parts rust on account of their open air HCl pickling as platers are won't to have.


Khozem Vahaanwala
Khozem Vahaanwala
Saify Ind supporting advertiser
Bangalore, Karnataka, India

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