Izina ryimiti ya M221 ni fosifate acrylate.Numuhondo woroshye wumuhondo ucuramye hamwe no gufatana neza hamwe no kutagira umuriro kuri plastike nicyuma.Birasabwa gukoreshwa muri wino irwanya gusudira, ibyuma, ibiti na plastike, icyuma cya vacuum amashanyarazi hamwe nindi mirima.
Fosifate ester ikoreshwa cyane nka flame retardant plasitike ya PVC resin na plastiki zitandukanye, reberi yubukorikori hamwe nibikoresho bya polymer.Imfashanyigisho ya fosifate ester ifasha guhuza neza na chloride ya polyvinyl, aside acike, nitrocellulose, polystirene, polyethylene nibindi bisigarira bya polyolefine hamwe na reberi yubukorikori.