This method is suitable for the determination of the drop weight impact properties of polypropylene Pall ring packing with a nominal diameter D|(g)50mm. For other sizes and specifications, appropriate weights and punches can be selected and measured according to this method.
HG/T 3213-1987 history
2018HG/T 3213-2018 Test method for drop weight impact strength of plastic tower packing
1987HG/T 3213-1987 Drop impact test of polypropylene pall packing