Halogen Free FR+ Fire Retardant Laminates that eliminate the risk of toxic smoke. They are safe and sturdy and come in exquisite designs and colours. Treated Decor paper: Decor paper impregnated with specially formulated MF resin that has been modified with proprietary additives to impact flame retardant properties. Kraft Paper impregnated with specially formulated PF resin that has been modified with proprietary additives to impart flame retardant properties.