Tungsten filament:

• 
  1.Grade:R60702,R60704,R60705 
  
  

• 2.Melting Point:>=1800C 
  
  

• 3.Purity:>=99.5% 
  
  

• 4.Density:>=6.51g/cm3

For more details about our products, pls feel free to contact us, we will send Zirconium crucible catalog for your reference.