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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
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