L-928
Woven Phenolic Prepreg, Flame Retardant
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Flammability
  • Self Extinguishing per FAR part 25.853
Sandwich Properties*
Core: 1/8” – 3 lbs/ft3 (3.30 mm – 48 kg/m3) Aramid/Phenolic Honeycomb
Adhesive: 1 ply L-310FR each side
Facings: 2 plies L-928-100 each side
  • RT Flatwise Tensile Strength: 240 PSI (1.7 MPa)
  • RT Sandwich Peel Strength: 9 in lb/in (40 N/25 mm)
  • L-928-100 sandwich peel strength ranges from 7-13 in lb/in (31-58 N/25 mm).
Mechanical Data

 

LAMINATE PROPERTIES

PROPERTY

45 PSI (0.31 MPa) CURE

TEST METHOD

ULTIMATE TENSILE STRENGTH

 

 

Room Temperature (RT)

91 KSI (628 MPa)

ASTM D638

160°F (71°C)

88 KSI (607 MPa)

ASTM D638

RT(WET)

82 KSI (566 MPa)

ASTM D638

TENSILE MODULUS

 

 

Room Temperature (RT)

9.9 MSI (68 GPa)

ASTM D638

160°F (71°C)

9.1 MSI (63 GPa)

ASTM D638

RT(WET)

9.6 MSI (66 GPa)

ASTM D638

ULTIMATE COMPRESSION STRENGTH

 

 

Room Temperature (RT)

73 KSI (503 MPa)

ASTM D695

160°F (71°C)

62 KSI (428 MPa)

ASTM D695

RT(WET)

58 KSI (400 MPa)

ASTM D695

COMPRESSION MODULUS

 

 

Room Temperature (RT)

8.5 MSI (59 GPa)

ASTM D695

160°F (71°C)

8.4 MSI (58 GPa)

ASTM D695

RT(WET)

8.4 MSI (58 GPa)

ASTM D695

ULTIMATE FLEXURAL STRENGTH

 

 

Room Temperature (RT)

123 KSI (848 MPa)

ASTM D790

160°F (71°C)

119 KSI (821 MPa)

ASTM D790

FLEXURAL MODULUS

 

 

Room Temperature (RT)

9.2 MSI (63 GPa)

ASTM D790

160°F (71°C)

9.0 MSI (62 GPa)

ASTM D790

 
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NOTICE:Product data and parameters cited in this publication have been obtained in J.D. Lincoln, Inc. laboratories using the materials under carefully controlled conditions. The information, therefore, is believed to be accurate and correctly stated. Data of this type may be considered to be indicative of representative properties obtainable. J.D. Lincoln, Inc. cannot accept responsibility for the misapplication of these products, nor for their use under uncontrolled conditions. Numerical values resulting from the application of this material are dependant on processing details. It is recommended that the user develop his or her own application techniques and generate data consistent with his or her specific application and process.

 
       
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