This standard specifies three methods for determining the ash content of polyamides: method A, method C and modification of method A in GB9345. This standard applies to polyamides with fillers and glass fiber reinforcement (method A), polyamides without fillers (method C) and flame-retardant glass fiber reinforced polyamides (modified method of method A).
GB/T 12006.3-1989 history
2008GB/T 9345.4-2008 Plastics.Determination of ash.Part4:Polyamides