Looxa xumbo PVC unug adag oo xiran waxaa iska leh PVC co-extrusion board, oo ah xaashi PVC ah oo la ballaariyay oo tayo sare leh.Qalabkeeda kiimikaad waa chloride polyvinyl, sidaas darteed waxa kale oo loo yaqaannaa looxa polyvinyl chloride.