O le igoa vailaʻau o le M221 o le phosphate acrylate.O se vai moli samasama malamalama ma le pipii lelei ma le mumu o le afi i palasitika ma mea uamea.E fautuaina e faʻaaogaina i vaitusi faʻafefe, uamea, laupapa ma palasitika, faʻapipiʻi eletise eletise ma isi fanua.
Phosphate ester e masani ona faʻaaogaina e avea ma mea faʻapipiʻi mumu mo PVC resin ma palasitika eseese, paʻu gaosia ma mea polymer.Fosphate ester palasitika fesoasoani fesoasoani e lelei le fetaui ma le polyvinyl chloride, acetic acid, nitrocellulose, polystyrene, polyethylene ma isi polyolefin resins ma pa'u gaosia.