Inquiry (采购产品): Chemical cleaning of copper parts. Hi, I am interested to find out, if there is a process to chemical clean copper pipes sil-brazed to bronze valve parts. The cleaning must remove dirt, flux and discoloration of copper due to heat. Thank you, Aleem Khokhar Senior Engineer Milwaukee Valve Ph: (262) 432-2850 **** Hidden Message ***** Aleem Khokhar 53151 Company: Milwaukee Valve E-mail: akhokhar@milwaukeevalve.com **** Hidden Message ***** akhokhar@milwaukeevalve.com