glass-fiber insulation
111R-Value — A measure of the capacity of a material to resist heat transfer. The R Value is the reciprocal of the conductivity of a material (U Value). The larger the R Value of a material, the greater its insulating properties. *** A measure of a… …
112polyester resin — noun or polyester plastic : any of various synthetic resins or plastics consisting of or made from polyesters: as a. : alkyd b. : a resin that has the same chemical composition as the common polyester fiber but that is extruded as a film (as for… …