High grade sodium hydroxide / Lye. Used for biodiesel (or soap making) when the quality of the caustic is very critical. Also use if: you have been having problems with the consistency of batches, formulate with hard to saponify oil blends, or employ sensitive essential oils. This grade is also Food Codex, FCC, and Kosher certified, with a Certificate of Analysis included. Can be used for Pretzels, Olives, Lutefisk, Hominy or any other food use. All products are shipped in easy-to-store, easy-to-use resealable HPDE containers (Shipped 2 lbs of Lye per container). THIS SHIPMENT IS CLASSIFIED AS ORM-D CONSUMER COMMODITY. OUR PACKAGING MEETS ALL APPLICABLE REQUIREMENTS OF THE US DEPARTMENT OF TRANSPORTATION. WE ARE A CERTIFIED SHIPPER AND SEND THIS PRODUCT IN SAFE AND LEGAL PACKAGING BY A LEGAL CARRIER.