The UN approved HDPE jerrycan is ideal for use in the chemical, pharmaceutical, food and agricultural industries where safe transport and storage of neutral liquids, hazardous materials or other substances is required. The canister can be used for both internal storage and long distance transport. The UN approved HDPE jerrycan is ideal for use in the chemical, pharmaceutical, food and agricultural industries where safe transport and storage of neutral liquids, hazardous materials or other substances is required. The canister can be used for both internal storage and long distance transport.