Specification for Tungsten Alloy Shielding Powder

Specification for Tungsten Alloy Shielding Powder

Specification

Item No.	Purity	Average Particle Size (APS)
PW74-P1	≥99.95%(metal basis)	1-1.5 µm
PW74-P2	≥99.95%(metal basis)	1.5-2 µm
PW74-P3	≥99.95%(metal basis)	2-4 µm
PW74-P4	≥99.95%(metal basis)	4-6 µm
PW74-P5	≥99.95%(metal basis)	6-10 µm
PW74-P6	≥99.9%(metal basis)	>75 mm (+200 mesh)
PW74-P7	≥99.3%(metal basis)	between 100 and 200 Mesh