Paper corner protectors, also known as cardboard corner protectors or cardboard edge protectors, are commonly used in packaging to provide reinforcement and protection to the corners and edges of various products. While there can be variations in design and dimensions based on specific requirements, here are the common specifications of paper corner protectors:

1. Material: Paper corner protectors are typically made from recycled cardboard or paperboard materials. These materials offer strength, rigidity, and cushioning properties.

2. Size: The dimensions of paper corner protectors can vary depending on the application and the size of the product they are intended to protect. However, a common size range is between 1 inch to 3 inches in width and length, with a thickness ranging from 0.1 inch to 0.4 inch.

3. Shape: Paper corner protectors are usually L-shaped, forming a right angle. The longer side of the L-shape is designed to cover the edge of the product, while the shorter side covers the corner.

4. Strength and Load Capacity: The strength and load-bearing capacity of paper corner protectors can vary depending on the thickness and quality of the material used. They are designed to withstand pressure and impact during transportation and handling, providing stability and protection to the packaged goods.

5. Surface Finish: Paper corner protectors often have a smooth surface finish to minimize the risk of scratching or damaging the packaged products.

6. Customizability: Paper corner protectors can be customized to fit specific product dimensions and packaging requirements. They can be easily cut, folded, or resized to accommodate different shapes and sizes of products.

It's important to note that specific requirements for paper corner protectors may vary depending on the industry, type of product being packaged, and the level of protection required. Manufacturers and suppliers can provide customized solutions based on individual needs.