1）Dilver P1（D P1）：
- DIN 17745
- Expantion coefficient suited to borosilicate glass and ceramics employed in electronics
- Typical application: Hybrid circuit casings, optoelectronic component cases, electronic tubes (power, X-ray...), oscillator housings, CRT electron gun components

2）N 485：
- DIN 17745，W 2.4486
- Expansion coefficient suited to soft glass
- Typical application: Cathode ray tube anode buttons, CRT gun current leads etc.

Other sealing ability alloys:
- N 475: expansion coefficient suited to soft glass, uesd in anode buttons etc.
- N 42: expansion coeffictient suited to silicon (integrated circuits), ceramics ( aluminates) and hard glass