Features:1) Insulation resistance: >1,000M? 500V DC2) Dielectric strength: >1,000V DC, 1 min3) IDC contact resistance: 4) Wires applicably: 0.4 - 0.6mm5) Plastic material: all the plastic parts use flame retardant material, and the flame retardant capability reaches level FV-06) High performance tin bronze, Cu+P+Sn >99.7% producing area:China