A na-eji ya atụ ụdị ákwà na ihe ndị ọzọ niile; Maka ịtụ oke ákwà kwa mpaghara otu.
GB/T4669;ISO3801;BS2471;ASTM D3776;IWS TM13.
| Ụdị nlereanya | YYZ01A | YYZ01B | YYZ01C | YYZ01F | Ihe ngosi |
| Usoro Nnwale | Akwụkwọ ntuziaka | Akwụkwọ ntuziaka | Akwụkwọ ntuziaka | Elektrọnik | Mkpụcha stampụ nke aluminom niile |
| Dayameta ihe nlele (mpaghara) | * 140mm | ∮112.8mm(100cm2) | ∮38mm | ∮112.8mm(100cm2) | |
| Ogologo agụba nwere ike ịgbanwe | 0~5mm | 0~5mm | 0~5mm | 0~5mm | |
| Enwere ike ịbepụ ọkpụrụkpụ nke ihe atụ ahụ | 5mm | 5mm | 5mm | 5mm |
1. Onye ọbịa--- Otu Setị
2. Mpempe akwụkwọ Cork--- Mpempe akwụkwọ 1
3. Agụba--Ngwugwu otu