超碰在线观看过国产|久久久在线草AV|人人人人操人人人人|18禁成人污网站|亚洲图片视频小说|五月天综合网友自拍|福利精品在线观看|五月婷婷六月999|婷婷天堂avtt|兽x人八区成人网

Consumables >> Consumables >> Kovar Foil/Various metal foils
                

 

Kovar alloy content: Ni: 28.5-29.5; Co:16.8-17.8Fe: Remaining

Expansion coefficient: 5.1-5.5

Thickness: 0.0275+/-0.003mm

Width: 70.0+/-0.05mm

Surface hardness: 90+/- 20HV0.05

 

?2008-2050 HenergySolar. All rights reserved