Machined alloy cap
Material:70-30 CU-NI expension alloy (UNS C71500)
High precision, thin wall
Used for vacuum field

Machined copper caps
Used for vacuum pump
Material: 70-30 CU-NI expension alloy (UNS C71500)

Easy for welding with metallized ceramic, good sealing result with ceramic/glass, no leakage

High precision dimension, 100% inspected, good appearance
Competitive price