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AS9100D(2016)*
ISO 9001:2015*  

Shell core is a hot box process. Typically, a cast iron box is heated. Plastic resin coated sand is injected into the box. The heat fuses the sand grains creating a shell. The longer the cure, the thicker the shell. This is a good, economical option for medium to long run castings

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St. Paul Foundry
954 Minnehaha Avenue West
Saint Paul, Minnesota 55104
(651) 488-5567  Fax: (651) 488-0908
Sales: (651) 312-4734 email
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 Orion Registrar Inc. Registered to AS9100D(2016) and ISO 9001:2015  Defense Logistics Agency, Joint Certification Program, United States and Canada American Foundry Society Corporate Member