standard recipe
1.The differences of impact property between the new standard(GB/T 10002.1-2006) and the old standard(GB/T 10002.1-1996) for PVCU feed water pipes were introduced. In the new standard,the impact property requirements were improved. Measures were adopted to improve the impact property of PVC-U feed water pipes to fulfil the requirements of the new standard,which included adjusting the recipe,processing process and etc.
