Inquiry (采购产品): Porosity in aluminum casting I am looking for a product that can be applied using brush or other means besides vacuum impreg to seal surface micro porosity in aluminum castings. must be able to withstand temps between -5 - 350 degrees F. **** Hidden Message ***** Ron Brady 1521 E Hawthorne Albert Lea, MN 56007 USA Company: Progress Casting Title: Quality Mgr Phone: 507 379 5511 Fax: 1-507 -373 - 5116 E-mail: rbrady@progresscasting.com **** Hidden Message ***** rbrady@progresscasting.com