... and corrosion-resistant. Long service life. Range: 5~20um. 1. Sintered Filter Features:a, High permeability, heat-resistant, shock-proof and corrosion ... and machined.c, Regerable and with long service life.d, filter range: 5~20um.e, Material can be bronze and ... and the fluid in hydraulic circuit. And, we also manufacture sintered parts of bronze, steel, stainless steel powder according to customer ...