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Product Performance Profile for Pneumatic Dunnage (PPPPD)

(PPPPD) Association of American Railroad

  1. General Information Bulletin No. 9
  2. Effective July 1, 2005
  3. Replace K,AAR Pamphlet #14

Product Performance Profile for Pneumatic Dunnage

  1. Level 1: Pneumatic dunnage used as lateral (crosswire) void filler (Intermodal)
  2. Levels 2-4: Pneumatic dunnage used as lengthwise void fillers in flat platen type applications (Boxcar)
  3. Level 5: Pneumatic dunnage used as lengthwise void fillers in horizontal application between concave surfaces (Boxcar)
Product Proformance Profile for Pneumatic Dunnage
Dunnage Air Bag Type Maximum Useable Inflation Pressure Maximum Load in Pounds Maximum Testing Pressure & Void Size
Level 1 2 Ply 2.5 PSI 40,000 lbs. Max Per Load 8 PSI
Level 2 4 Ply 5 PSI Less than 75,000 lbs. in a railcar 17 PSI
Level 3 6 Ply Medium Polywoven (5.2 oz sq/ft) 8 PSI Between 75,000 & 160,000 lbs. in a railcar 25 PSI
Level 4 8 Ply Heavy Polywoven (6.8 oz sq/ft) 10 PSI Between 160,000 & 205,000 lbs. in a railcar 30 PSI
Level 5 Heavy Polywoven (8.5 oz sq/ft) 10 PSI Between 160,000 & 205,000 lbs. in a railcar 21 PSI (18" Void Horizontal)