This standard specifies the requirements for non-Newtonian fluids (ISO Type II) used for deicing and anti-icing the outer surfaces of aircraft parked on the ground, and the minimum requirements for the laboratory and test process required to complete the anti-icing performance test.
GB/T 20857-2007 history
2012GB/T 20857-2012 Aircraft de-icing/anti-icing non-Newtonian fluids.Type II, III and IV
2007GB/T 20857-2007 Aerospace Aircraft de-icing/anti-icing non-Newtonian fluids, ISO type Ⅱ