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
|