Polypropylene (PP) (Polypro) is tough, flexible, and resistant to many chemical solvents, making it an excellent choice for industrial tanks.
Stock sheet are 48 inches X 96 inches, 48 inch X 120 inches, 60 inches X 96 inches, and 60 inches X 120 inches. However most distburts only stock 48 inch X 96 inch sheets.
Stock color are natural and white. Black, blue and orange can be ordered. Whites very by sheet manufactures welding rod needs to be matched to the sheet manufactures.
Natural sheets are more chemical resistant then other color, it also changes color over time. With natural PP you have to buy all the sheets at the same time from the same manufacture which adds to the cost of the manufacturing.
Stock sheet has no UV inher.
Polypropylene is weld-able, which gives it an advantage where large parts need to be securely bonded.