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KYDEX® FST Technical Data Sheet

Fully compliant aviation sheet

KYDEX® FST is a proprietary, high performance thermoplastic sheet formulated to meet all Boeing and Airbus toxicity requirements for aircraft interior components.

KYDEX® FST meets all flame, smoke, and heat release requirements set forth in Federal Aviation Regulations INFORMATION (FAR) 25.853 paragraphs (a) and (d) as well as toxicity requirements for Airbus (ABD003) and Boeing (BSS7239). Its excellent properties make it the ideal material to form two and three-dimensional aircraft components.

  • Seat parts • Armrests
  • APPLICATIONS • Bulkhead laminates • Moulding strips
  • Life vest shrouds • Tray tables
  • Passenger service units • Kick panels
  • Monitor Shrouds
  • Meets the stringent requirements of FAR 25.853 (a) and (d) in all thicknesses and colours
  • Meets toxicity smoke requirements of Airbus (ABD0031) and Boeing (BSS7239)
  • Excellent fabrication and formability characteristics
  • Allows for tight tolerance control
  • Available in a wide range of integral colours

SEKISUI KYDEX, LLC is committed to ensuring that its products can be manufactured, transported, stored, used, & SAFETY disposed and recycled with an appropriate regard for safety, health, and environmental protection. We support the safe handling of our products.

Please contact our appLab™ department at 800.682.8758 for resources and Safety Data Sheets or visit our website: www.kydex.com.

Property Test Method Typical Value1
PHYSICAL
Specific Gravity ASTM D792 1.34
Water Absorption, 24hr ASTM D570 0.15%
Rockwell Hardness, R-Scale ASTM D785 125
MECHANICAL
Tensile Strength ASTM D638 71.7 MPa 10,400 psi
Tensile Modulus ASTM D638 2,392 MPa 347,000 psi
Poisson’s Ratio ASTM D638 0.466
Flexural Strength ASTM D790 114.5 MPa 16,600 psi
Flexural Modulus ASTM D790 2,496 MPa 362,000 psi
Compressive Strength, yield ASTM D695 87.6 MPa 12,700 psi
Compressive Modulus ASTM D695 2,813 MPa 408,000 psi
Shear Strength ASTM D732 77.9 MPa 11,300 psi
Bearing Strength, 4% deflection ASTM D953 26.9 MPa 3,900 psi
Bearing Strength, max. ASTM D953 307.5 MPa 44,600 psi
Gardner Drop Dart Impact, GE ASTM D5420 71.2 J >630 in-lbff
THERMAL
Heat Deflection Temperature (HDT) @ 264 psi (1.8 MPa), annealed ASTM D648 120.5°C 249°F
Coefficient of Thermal Expansion ASTM E831 57.8 mm/m/°C 32.1 min/in/°F
Electrical
Dielectric Strength, oil ASTM D149 14.8 kV/mm 375 V/mil
2 FLAMABILITY
Vertical Burn, 60-second FAR 25.853(a)(i) PASS
Vertical Burn, 12-second FAR 25.853(a)(ii) PASS
OSU Heat Release FAR 25.853(d) Part IV ≤ 65/65
NBS Smoke Density FAR 25.853(d) Part V ≤ 200
Airbus Smoke Toxicity ABD0031 Pass
Boeing Smoke Toxicity BSS7239 Pass
1 Values based upon 3.20mm (0.125”) sheet unless otherwise specified. 2 All thicknesses and colours Not intended for specification purposes.