Re: Petro bond sand


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Posted by Hank Kaminsky on April 16, 19100 at 13:26:55:

In Reply to: Re: Petro bond sand posted by Lyle Landstrom on April 14, 19100 at 21:14:49:

I have found that the use of a regular non-detergent oil a in Petrobond mix will lead to a buildup of little coagulated balls of junk after a while. I recommend using the oil with no modifiers that is also recommended by the Petrobond makers. I use an oil called Amplex which I get from an oil dealer on spaecial order.

The company that sold me the binder didn't know they were selling the wrong oil to a local foundry that uses the stuff on a large scale and was experiencing this problem.


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