XIIR

AcronymDefinition
XIIRXtreme International Ice Racing
References in periodicals archive ?
The XIIR (isobutylene-isoprene) also performed well, as did the peroxide -cured EPDM.
The XIIR material, though it ranked high in both the chloramine and free chlorine exposures, suffered serious plasticizer and process chemical loss in the dichloramine exposure.
HNBR shows moderate adhesion when covulcanized to: ECO (diamine curing system); NBR (sulfur curing system); XIIR (sulfur and peroxide curing systems); and fluoroelastomer (peroxide curing system).