The Advantages of Runner Paper: Revolutionizing Foundry Casting


In the world of metal casting, innovation and efficiency are paramount. Foundries continuously seek new methods and materials to enhance their processes. One such innovation that is gaining momentum in the foundry industry is the use of runner paper, a game-changing alternative to traditional casting pipes.

Runner Paper: An Overview

Runner paper is a specialized material used in metal casting, primarily replacing traditional casting pipes. Unlike conventional pipes made of materials like clay, graphite, or metal. It is designed to connect the pouring cup or ladle to the mold cavity, facilitating the controlled flow of molten metal during casting.

The Benefits of Runner Paper

1. Enhanced Efficiency and Productivity:

Runner paper offers a smooth, non-reactive surface, ensuring a consistent flow of molten metal. This results in reduced turbulence during the casting process, leading to fewer defects, better fill rates, and improved casting quality. The uniform flow of metal allows for shorter fill times, translating into increased productivity for foundries.

Runner paper for casting

2. Reduced Defects and Rework:

Traditional casting pipes can introduce impurities or inclusions into the molten metal due to their composition. Runner paper, on the other hand, minimizes the risk of contamination, resulting in cleaner and higher-quality castings. This, in turn, reduces the need for costly rework and enhances the overall yield of cast products.

3. Cost Savings:

Runner paper’s affordability is a significant advantage for foundries. Compared to traditional pipes, it offers a cost-effective solution without compromising performance. Its durability and the reduction in defects mean less wastage, translating into substantial cost savings over time.

4. Ease of Use and Flexibility:

It is easy to cut, shape, and install, allowing for customized solutions that suit a wide range of casting needs. Its flexibility simplifies the casting process, providing foundries with a versatile and adaptable material.

5. Eco-Friendly:

Runner paper is an environmentally friendly option as it does not generate harmful emissions during use. Additionally, its energy-efficient casting process reduces energy consumption and minimizes greenhouse gas emissions, making it a sustainable choice for eco-conscious foundries.

The Rise of Runner Paper in Foundries

The foundry industry is increasingly embracing runner paper as a viable alternative to traditional casting pipes. This shift can be attributed to the numerous benefits it offers in terms of efficiency, cost savings, and improved casting quality. More foundries are experimenting with runner paper due to its proven track record of success and growing evidence of its superiority in various applications.

Case studies and real-world experiments have demonstrated that runner consistently outperforms traditional casting pipes. Foundries are witnessing a reduction in defects, improved casting yield, and significant cost savings, ultimately contributing to enhanced competitiveness in the market.


The use of runner paper in the foundry industry is a shining example of how innovation can revolutionize traditional processes. With its efficiency, cost-effectiveness, and eco-friendly nature, it is gaining traction and transforming the casting landscape. As more foundries experiment with this new type of casting pipe, the industry is poised to benefit from increased productivity, reduced defects, and sustainable practices, setting a new standard for excellence in metal casting.