Ko te ingoa matū o M221 he phosphate acrylate.He wai marama kowhai marama me te pai o te piri me te mura o te mura ki nga taputapu kirihou me te whakarewa.E taunaki ana kia whakamahia i roto i te waituhi welding anti, te whakarewa, te rakau me te kirihou, te paninga hiko hiko me etahi atu mara.
Ko te hākawa Phosphate te nuinga o te whakamahi hei plasticizer mura mo te kapia PVC me nga momo kirihou, rapa waihanga me nga rauemi polymer.He pai te hototahi ki te polyvinyl chloride, te waikawa acetic, te nitrocellulose, te polystyrene, te polyethylene me etahi atu kapia polyolefin me te rapa waihanga.