Low Sulfur Graphite Petroleum Coke Low sulfur petroleum coke, often abbreviated as LSPC, is a type of petroleum coke with a relatively low sulfur content. This makes it a valuable material in various industrial applications, particularly in situations where low sulfur emissions are essential. Low Sulphur Petroleum Coke Low sulfur petroleum coke, often abbreviated as LSPC, is a type of petroleum coke with a relatively low sulfur content. This makes it a valuable material in various industrial applications, particularly in situations where low sulfur emissions are essential. Some key points about low sulfur petroleum coke Sulfur Content: The defining characteristic of low sulfur petroleum coke is its reduced sulfur content. While the sulfur content in conventional petroleum coke can range from around 2% to 7% or more, LSPC typically contains sulfur levels below 1%. Some high-quality LSPC may even have sulfur content as low as 0.5% or lower.