Gland packing is a sealing solution used to control leakage around moving shafts and rods in pumps, valves, mixers and industrial equipment. This RexSeal guide explains how a gland packing seal works and why compression, lubrication and correct installation matter. It introduces common materials, including PTFE, graphite, aramid fibre and carbon fibre, and outlines their uses in chemical processing, power generation, oil and gas, and water treatment. Learn about gland packing benefits, maintenance and how operating conditions affect material selection. Whether researching pump gland packing or comparing gland packing manufacturers in India, this article offers an introduction to gland packing types, uses and selection factors.