TG-3 and TG-4 are anti-tarnish agents for Sn or Sn-alloys. Both agents bring about an excellent anti-tarnish effect on surfaces of Sn or Sn-alloys, and are used in a wide range of electrical devices, s...

화성처리 · · JX Nippon Mining & Metals · · 영어 2 쪽 참조 0회