MATERIALS IN HIDDEN AREAS

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MATERIALS IN HIDDEN AREAS

• RADIANT PANEL TEST RESULTS

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MATERIALS IN HIDDEN AREAS

• 1-MATERIALS CURRENTLY USED IN COCKPIT AND CABIN
• TWO THERMOPLASTICS
• LAMINATED PANEL GLASS/PHENOLIC-2PLIES
• SANDWICH PANEL NIDA NOMEX 4 PLIES GLASS/PHENOLIC

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MATERIALS IN HIDDEN AREAS

• 2- Combination of an insulation blanket film pvf
  30 wires bundled with attachment clamps made of
  polyamide
• the attachment clamps meet the requirements of
  the vertical bunsen burner test 12 seconds

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MATERIALS IN HIDDEN AREAS
RADIANT PANEL STANDARD TEST METHOD
SIZE OF THE SPECIMEN 15x 12 cm
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MATERIALS IN HIDDEN AREAS

• IGNITION TIME 60 seconds

SIZE OF THE SPECIMEN 50 X 17, 5 cm
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MATERIALS IN HIDDEN AREAS

• TESTS ON WIRES ATTACHMENT CLAMPS INSULATION
  BLANKETS

FIRST RESULTS
A LOT OF DISPERSION
-14 or 30 wires bundled located on blanket
with 2, 3 or 4 clamps separated at 2 to 5 cm -
clamps melted after removing the pilot burner -
The flame remains or not afterwards.
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MATERIALS IN HIDDEN AREAS

• In some hidden parts the space out between two
  attachment clamps is less than 1,5 cm
• scenario 30 wires bundled 5 clamps separated
  every 1 cm and located on the insulation blanket

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MATERIALS IN HIDDEN AREAS
BEFORE THE TEST AFTER THE TEST
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MATERIALS IN HIDDEN AREAS
During the test, the burner removed
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MATERIALS IN HIDDEN AREAS

• 3 tests carried out
• film melted
• cable ties melted and flames remained after
  removing the pilot burner
• test 1 after flame time 6 minutes 53 secondes
• test 2 after flame time 4 minutes 32 secondes
• test 3 after flame time 6 minutes 35 secondes