国产免费无遮挡久久久精品|无码素人精品视频在线|久久五月天综合视频网站|亚洲高清无码原创视频|免费观看美女一级视频|超碰人人在线人人观看

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

 

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