What is test liner?

Test liner is a type of paperboard made from recycled paper, primarily used as the top layer of corrugated cardboard. It is characterized by its strength and durability, which make it suitable for packaging and shipping applications. Test liner can be produced in various grades and is often used for printing, allowing for branding and labeling on packaging materials. Its environmental benefits stem from its recycled content, making it a sustainable choice in the packaging industry.