Posted by HANI & DANI INTERNATIONAL. Karachi Pakistan

a. Any materials which by their presence in a packing of paper stock, in excess of the amount allowed, will make the packaging unusable as the grade specified.
b. Any materials that may be damaging to equipment.
Note: The maximum quantity of “Outthrows” indicated in connection with the grade definitions is understood to be the TOTAL of “Outthrows” and “Prohibitive Materials:”
Outthrow
A material can be classified as an “Outthrow” in one grade and as a "Prohibitive Material" in another grade. Carbon paper, for instance, is “UNSUITABLE” in Mixed Paper and is, therefore, classified as an “Outthrow;” whereas it is “UNUSABLE” in White Ledger and in this case classified as a “Prohibitive Material: