The GRAPH-HEX® product line offers high-performance carbon solutions for a wide range of processes in the foundry and steel industries.
High-purity crystalline graphite manufactured for injection molding applications requiring ultra-low sulfur content.
An economical carbon additive with low sulfur content, an effective alternative to high-cost carbon additives.
High-purity crystalline graphite for injection applications requiring ultra-low sulfur performance.
At Larpen Metallurgical Service, we are proud to offer a wide variety of products under our renowned GRAPH-HEX® brand, each meticulously crafted to meet the diverse needs of the metallurgical industry. Explore our extensive product line, engineered with precision and a commitment to quality, ensuring ideal solutions for your specific applications.
Optimization of carbon in the charge composition for gray iron casting.
Larpen Metallurgical Service produces a range of low to medium sulfur petroleum cokes, ranging from 0.35% to 4.0%. These products are carefully crafted to serve as filler carbon in gray iron casting, ensuring optimal performance and quality in every application. Our low sulfur petroleum coke not only meets stringent quality standards but also ensures your casting processes are conducted with greater efficiency and reliability.
Distribution of high-quality Carbolon MA
As a distributor of Carbolon MA, 90% silicon carbide from Washington Mills, Larpen Metallurgical Service is at the forefront of supplying high-quality materials for your metallurgical needs. Silicon carbide, known for its stability and robustness, ensures you have materials that promise excellent performance, durability, and efficiency in a variety of metallurgical applications. Trust Larpen to supply silicon carbide products that enhance your processes and results.
A family business for over 60 years — a direct line between operations and leadership.
Quality systems certified by ISO and consistent performance between batches.
Carbon Products
Years of Experience
Operational facilities
Fixed carbon
Detailed technical data sheets and the complete GRAPH-HEX® brochure are available for download in our institutional area.