JLpreservative is a highly effective anticorrosion/antistaling agent, created using advanced Japanese technology. This product meets the World Health Organization (WHO) standard and is consistent with the UN Food and Agriculture Organization (FAO). These are non-toxic with no known side effects. It is based on GB2760-2007 and GMP rules regarding the use of quantities as per your production needs. For this product, the standard usage based on a ratio is Max1.5kg per metric ton; according to the rules stating how this preservative is to be used. Can keep for 30 days around 20oc, and for 15 days at 30oc - in either case, the quality of the product will not change.Usage: 1. Dissolve in hot water, add to other water and mix in well with the flour 2. Use only good quality fresh ingredients 3. Do not mix with flammable objects or oxidants 4. Store in a cool dry place away from the light. Product Life: 2 Years Packaging: 1 kg per bag