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Developments in - Low Smoke Fire Resistant
Floor Coverings - Low Smoke Fire Resistant
Interior Repair Compounds
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Background

•   
• Wool Naturally flame retardant and used to meet
  stricter OEM FST requirements.
• Used extensively outside USA
• Conventional Nylon Brominated Flame retardants
  meets FAA standards.
• Used extensively in USA
• Summary
• Wool Good FST Performance Poor Operational
  Performance.
• Meets OEM FST requirements
• Nylon Excellent Operational Performance High
  smoke and toxic gases.
• Up to 5x ware improvement
•  
• AkroBak Nylon The best features of wool and
  Nylon

Low Smoke Fire Resistant Floor Coverings
AkroBak Nylon Carpet
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Comparative Data FST Requirements FAA OEM
FAR 25.853 Requirements OEM Requirements (Summary ref, ABD0031 BSS 7239/8)
Vertical Burn 12seconds Vertical Burn 12seconds
Smoke Density N/R Smoke Density 150 (300) Dm after 4 min
Toxicity N/R Toxicity CO 3500 ppm HCN 150 ppm HF 100 (200) ppm HCL 150 (500) ppm SO2 100 (200) ppm NOX 100 ppm
Low Smoke Fire Resistant Floor Coverings
AkroBak Nylon Carpet
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Vertical Burn Summary of Results

Specimen Flame Application Flame Time Sec. Burn Length Inch Flaming Drippings Flame Time Sec. Burn Length Inch. Flaming Drippings
1 2 3 12 12 12 1 0 0 2.7 2.7 2.4 0 0 0 0 1 1 2.6 2.7 2.6 0 0 0
Average 0.3 2.6 0.0 0.7 2.6 0.0
Length Direction
Width Direction
Low Smoke Fire Resistant Floor Coverings
AkroBak Nylon Carpet
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Comparative Data Smoke Density
LIMIT
Low Smoke Fire Resistant Floor Coverings
AkroBak Nylon Carpet
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Comparative Data Toxicity
3500
Maximum Allowable
150
100
150
100
100
100
15
30
0
0
25
Actual Akrobak results
Low Smoke Fire Resistant Floor Coverings
AkroBak Nylon Carpet
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In service Durability
Testing performed, summary of results
Static propensity BSS 7311 Leather/Rubber
0.5kV, Composition 0.6kV - Requirement lt
2.5kV Dimensional Stability (4x10 Sample)
BSS 7310 Length -0.5, Width 0 - Requirement lt
5 Vetterman Drum Test (22,000 revolutions)
Rating 3.3 (Moderate Change) - Requirement
N/A Hexapod Tumbler ASTM D-5252, 12,000
cycles Rating 3 (Moderate Change) - Requirement
N/A Ultimate performance indicator - in
service experience 3x improvement in longevity
over traditional FST compliant carpeting
Low Smoke Fire Resistant Floor Coverings
AkroBak Nylon Carpet
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CONCLUSION

• AkroBak Nylon Carpet
• Superior resistance to soiling and staining.
• Superior durability and maintainability.
• Low weight.
• Total cost of ownership
• Meets the highest FST standards
• Does not contain Bromine compounds and is
  therefore compliant with current and
• Impending legislation.
• Visit us at http//www.akrofire.com

Low Smoke Fire Resistant Floor Coverings
AkroBak Nylon Carpet
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AF444 SpeedFill

• AF444 SpeedFill was developed to provide a
  universal filling and repair compound that would
  meet
• OSU Heat Release
• Vertical Burn
• Smoke Density
• Cure characteristics such that the material can
  be used effectively during change around
  operations.

Low Smoke Fire Resistant Interior Repair Compounds
AF444 SpeedFill
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Basic Properties

• FAR 25.853 OSU Heat Release Average 12 Peak
  45
• ASTM E662 Smoke Density (flaming mode) 127
• Vertical Burn 12 second 60 second
• Compressive Strength 6360 psi / 44MPa
• Density 1.16g/cm3 / 72lb/ft3

Low Smoke Fire Resistant Interior Repair Compounds
AF444 SpeedFill
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Handling

• Mixing 2 pack system, Part A B, 2 Part B
• Application Trowel / Spatula
• Shaping After 10 to 20 minutes
• Cure 30 to 40 minutes

Applications

• Sandwich Panel core repair (Airbus approved for
  cargo liner repairs)
• Interior panel repair

Low Smoke Fire Resistant Interior Repair Compounds
AF444 SpeedFill
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