By Patrick Losey / May 30, 2025 CalPortland Plastic Cement Plastic cement is interground with plasticizing agents designed to enhance the desirable properties of Portland Cement – Based Plaster. Riverside Plastic Cement94 lb. ADDITIONAL RESOURCES Data Sheets Type I/ II/V Cement Data SheetSDS for Portland Cement CalPortland Common CementType II/V Riverside Type III Cement High Early