Purchase Qty. Reference FOB Price
100-999 kg US$30.00
1,000+ kg US$30.50
Product Description
China Made 4j29 Round Wire with Glass's Coefficient of Expansion UALLOY UALLOY-4J29 (Expansion alloy) (Common Name: Kovar, Nilo K, KV-1, Dilver Po, Vacon 12)UALLOY-4J29 also known as Kovar alloy. it was invented to meet the need for a reliable glass-to-metal seal, which is required in electronic ...