Fire Resistance Is Built into Polyiso’s Polymer
Johns Manville is the next generation of polyisocyanurate roof-board insulation whereby the fire resistance has been engineered into the polymer backbone without the need for added halogenated flame retardants. Unlike conventional halogenated flame retardants that are free un-bonded plasticizers mixed with the foam, the reactive polymer modifier used to produce ENRGY 3.E is a non-halogenated organo-phosphorus monomer that chemically reacts and bonds directly to the polymer network. This results in the polyiso performance attributes of the existing ENRGY 3 while being inherently fire-resistant and meeting all current fire codes.
ENRGY 3.E from
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