... -0, Diammonium phosphate DAP Fertilizer, Food grade diammonium phosphate, DAP ammonium phosphate.Product Description:1.Diammonium phosphate,DAP 2.Appearance: White crystal 3.Content: >98% 4 ... : Used as fire retardant, fire-proofing agent, fire-proof agent additive for wood, paper, fabric, used in manufacturing late making, medicine ...