New design black carbon rod graphite expandable with great price

 Expandable graphite, can reach 100 to 300 times of expansion rate. It can be used to produce sealing materials and fillers, and can be directly pasted on various metal surfaces to effectively solve the problem of gas phase sealing. Finished products with light weight, electricity, heat conduction, high temperature resistance, corrosion resistance, good resilience, lubricity, plasticity and chemical stability and other excellent characteristics, known as the "king of sealing". Widely used in metallurgy, machinery, electronics, petrochemicals, shipbuilding, textile, aerospace and other fields.