Weight or Pounds : Weight of the pyroxylin plastic, not the packing materials, cartons, packing boxes, containers, or the article or material to which the pyroxylin plastic is secured or attached
NFPA 42 Code for the Storage of Pyroxylin Plastic, 2002 ed. https://www.nfpa.org/assets/files/AboutTheCodes/42 /42-A2002-rop.pdf, (Code: Code for the Storage of Pyroxylin Plastic Storage of Pyroxylin Plastic - Amer) {203 NFC}