... ISO certificate without sleeve , front protection Lead equivalent : from 0.25mmpb to 0.5mmpb HA04 X-ray protective apron Without sleeve , Front ... protective , Standard lead equivalent : front:0.35mmpb,0.5mmpb ... . back:0.25mmpb. Alternative lead equivalent : front:0.75mmpb/1mmpb, back:0.35mmpb/0.5mmpb. ...