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Polymer Distribution
Categories: Polymer; Thermoplastic; Vinyl (PVC); Polyvinyl Chloride - Polyvinyl Acetate Copolymer

Material Notes: Low heat release aviation sheet

KYDEX® 5555 is specifically formulated to meet the safety needs of the aviation industry

KYDEX® 5555 is a proprietary, high performance acrylic/PVC thermoplastic sheet that meets all fire retardancy requirements set forth in Federal Aviation Regulations 25.853 paragraphs (a) and (d) (old (c)) including low heat release (65/65) in the OSU rate of heat release test. KYDEX® 5555 exceeds the heat release to a level 55/55. Its excellent properties make it the ideal material to form two-and-three-dimensional aircraft components.

Suggested Applications:

  • Seat parts
  • Bulkhead laminates
  • Life vest shrouds
  • Passenger service units
  • Monitor shrouds
  • Armrests
  • Window shades
  • Molding strips
  • Tray tables
  • Kick panels


  • Available in over 200 developed colors, various surface textures, and eight thicknesses range from 0.71 mm and up
  • Very resistant to wide range of concentrate chemicals, and is therefore easy to clean with aggressive cleaners. Ammoniated cleaners should be avoided since they can leave a residue
  • Meets the stringent requirements of the FAR 25.853 paragraph (d) (replaces para.c), in all thicknesses and colors.

Values based upon 3.18 mm (0.125 in) sheet unless otherwise specified.

Information provided by Sekisui Polymer Innovations

Available Properties
  • Specific Gravity, ASTM D792
  • Hardness, Rockwell R, ASTM D785
  • Tensile Strength, ASTM D638
  • Modulus of Elasticity, ASTM D790
  • Flexural Strength, ASTM D790
  • Deflection Temperature at 1.8 MPa (264 psi), ASTM D648, Annealed
  • Processing Temperature, Forming Temperature
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Master Bond adhesives
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