Question

the paper requirements of 49 cfr section 178 are (select all the apply):

2 min cobb test

30 min cobb test

+/- 10% nominal basis weight

ect (edge crush test)

mullen or burst test

Explanation:

To determine the correct options for the paper requirements of 49 CFR section 178, we refer to regulatory knowledge:

• The 2 Min Cobb Test is not a requirement for 49 CFR 178 paper.
• The 30 Min Cobb Test is a requirement for paper in 49 CFR 178 (related to water absorption for packaging materials).
• A tolerance of +/- 10% Nominal Basis Weight is a requirement (basis weight variation allowance).
• ECT (Edge Crush Test) is required for corrugated materials under 49 CFR 178 for packaging strength.
• Mullen or Burst Test is required to measure the bursting strength of the paper/packaging material as per 49 CFR 178.

Answer:

B. 30 Min Cobb Test, C. +/- 10% Nominal Basis Weight, D. ECT (Edge Crush Test), E. Mullen or Burst Test