Purchase Qty. Reference FOB Price
10-499 kg US$40.00
500-999 kg US$30.00
1,000+ kg US$25.00
Product Description
Product Description 0.03mm 0.05mm thickness precision nickel expansion alloy 4j29 kovar Fenico glass Sealing foil Kovar alloy is a vacuum melted, iron-nickel-cobalt, low expansion alloy whose chemical composition is controlled within narrow limits to assure precise uniform thermal expansion ...