Polypropylene Extruded Sheet

Updated: 2026-09-16

Overview

Polypropylene Extruded Sheet is a thermoplastic polymer made from propylene monomers. It is known for its excellent chemical resistance, lightweight, and durability, making it a popular choice in various industrial applications. The extrusion process ensures uniform thickness and smooth surface finish, which is essential for precision applications. Polypropylene sheets are available in different grades, including homopolymer and copolymer, each offering distinct properties. Homopolymer PP sheets are stiffer and more chemically resistant, while copolymer sheets are more impact-resistant and flexible. The material is also recyclable, aligning with sustainable manufacturing practices.

Physical and Chemical Properties

Polypropylene Extruded Sheet exhibits a density range of 0.905-0.92 g/cm³, making it one of the lightest thermoplastics available. Its melting point ranges between 160-170°C, and it remains stable at temperatures up to 120°C, making it suitable for moderate heat applications. The material is resistant to most acids, alkalis, and solvents, though it can be attacked by strong oxidizing agents. It has low moisture absorption, which ensures dimensional stability in humid environments. Additionally, PP sheets offer excellent electrical insulation properties, making them ideal for electrical and electronic applications.

Main Applications

Polypropylene Extruded Sheet is widely used in the chemical industry for lining tanks and containers due to its resistance to corrosive substances. In the automotive sector, it is used for battery casings, interior panels, and under-the-hood components. Construction applications include protective barriers, wall claddings, and temporary flooring. The packaging industry utilizes PP sheets for food containers, pharmaceutical packaging, and reusable transport packaging. Signage and display industries benefit from its smooth surface and printability.

Safety and Storage

Polypropylene is generally considered safe for handling, as it is non-toxic and does not release harmful fumes under normal conditions. However, dust generated during cutting or machining should be avoided to prevent respiratory irritation. Storage recommendations include keeping the sheets in a cool, dry place away from direct sunlight to prevent UV degradation. Stacking should be done evenly to avoid warping, and sheets should be stored flat to maintain their shape.

B2B Procurement Guide

When procuring Polypropylene Extruded Sheets, buyers should specify the required thickness, dimensions, and any additional treatments such as UV stabilization or anti-static properties. It is advisable to request material certifications to ensure compliance with industry standards. Bulk purchases typically offer cost advantages, but buyers should verify the supplier's ability to meet consistent quality standards. Lead times and minimum order quantities should also be clarified to align with project timelines.