The spray cone porcelain product description:
Spraying material: Chrome bar
Coating thickness: grinding after unilateral 0.4mm
Process: flame spray bar
Section hardness: HV1300
Porosity: <1%
Bonding strength: 7-8kg/ square m
Surface roughness: 0.4
Suitable for drawing: 0.02-0.05mm stainless steel wire, bare copper wire, enamel covered wire