Description Blue Fire combines the latest Norzon grain design, with a high strength paper backing, providing the best product – both in performance and productivity. Used for smoothing body filler, flattening of sharp edges, and large surface areas. Benefits: Self-sharpening grain Improved cut rate Extended product life High strength paper backing (E-weight) Reduces curling & edge chipping Tear resistant Open grain distribution allows for reduced premature clogging Full resin bond system with strong grain adhesion Available in grits 40-120 Application: Ideal for achieving a smooth finish on body filler, levelling sharp edges, and covering extensive surface areas.