CRUDE GLYCERINE is basically a by product of biodiesel and it has impure content. It goes through a series of distillation procedures to remove its impure content that include water, organic matter, methanol and salt. It contains maximum 10% moisture, up to 25% fatty acid based salt and maximum 20% water. Its density ranges between 1.2 kg/ltr to 1.25 kg/ltr. Its maximum ash content is 7%. Ph value of this version of glycerin is 4.6. Standard shelf life is one of its key aspects.