Igbimọ foomu PVC alagbeka ti o ni pipade lile jẹ ti igbimọ àjọ-extrusion PVC, Iwe-ipo PVC ti o ni agbara to gaju.Apapọ kemikali rẹ jẹ polyvinyl kiloraidi, nitorinaa o tun pe ni ọkọ polyvinyl kiloraidi foam.