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Plastics used in patternmaking and information on chemically bonded sands
Question submitted on 10/12/07

I have two questions. 1. What kinds of plastics, ureathanes etc., have been popular in patternmaking in the last 40 years? 2. Do you have any information available on chemically bonded sand?

Answer:

1 of 1 people found this answer helpful.

Your first question is outside the scope of my expertise and the resources I have available. I suggest you try this one with your school's library.

As for your second question, the resources below have some general information. If you're looking for something more specific, please let me know.

Foundry Sand
http://www.tfhrc.gov/hnr20/recycle/waste/fs1.htm

Chemically Bonded Sand: Use and Reclamation
http://www.envirowise.gov.uk/EG004
You need to register (it's free) to read the document

Thermal Reclamation of Chemically Bonded Foundry Sand
http://www.p2pays.org/ref/10/09524.htm

Electric Resistance Indirect Radiant-Heated Sand Reclaimer Economic Answer to Sand Reclamation
http://www.p2pays.org/ref/10/09022.pdf
Article about reclaiming used chemically-bonded sands

Putting sand reclamation to the test at General Motors
http://www.allbusiness.com/manufacturing/fabricated-metal-product-manufacturing/455075-1.html

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