L-730
Woven Aramid Adhesive Prepreg
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Sandwich Properties*
Core: 1/8” cell - 3.0 lb/ft3 (6.35 mm cell – 48 kg/m3) aramid phenolic honeycomb
Facings: 2 plies L-730-281K each side
  • RT Flatwise Tensile Strength: 350 PSI (2.4 MPa)
  • RT Sandwich Peel Strength: 75 in (333 N/25 mm)
  • *Sandwich peel strength varies with orientation of fibers directly against the core and test direction.
  • Fibers laid up parallel with the test direction produce minimum strengths.
  • Fibers laid up perpendicular to the test direction produce maximum strengths.
Mechanical Data

Property

Laminate Properties

281K

285K

220K

4560 UD

Test Method

KSI

MPa

KSI

MPa

KSI

MPa

KSI

MPa

Tensile Strength

                 

Room Temperature (RT)

83

572

75

517

71

490

165

1138

ASTM D638

Tensile Modulus

                 

Room Temperature (RT)

5.4x103

37x103

3.8x103

26x103

4.4x103

30x103

8.5x103

59x103

ASTM D638

Compressive Strength

                 

RT, 70°F, 50% RH

27

186

25

172

25

172

34

234

 

RT, 170°F, 98% RH

23

159

-

-

-

-

30

207

ASTM D695

RT, Hydraulic Fluid

19

131

-

-

-

-

33

228

 

Flexural Strength

                 

RT, 70°F, 50% RH

63

434

58

400

46

317

78

538

 

RT, 170°F, 98% RH

46

317

-

-

-

-

68

469

ASTM D790

RT, Hydraulic Fluid

46

317

-

-

-

-

77

531

 

Flexural Modulus

                 

RT, 70°F, 50% RH

3.4x103

23x103

2.6x103

18x103

2.7x103

19x103

6.3x103

43x103

 

RT, 170°F, 98% RH

3.4x103

23x103

-

-

-

-

3.1x103

21x103

ASTM D790

RT, Hydraulic Fluid

2.9x103

20x103

-

-

-

-

5.8x103

40x103

 

Interlaminar Shear Strength

                 

RT, 70°F, 50% RH

6.1

42

6.0

41

5.8

40

12.2

84

 

RT, 170°F, 98% RH

3.4

23

-

-

-

-

8.8

61

ASTM D2344

RT, Hydraulic Fluid

4.5

31

-

-

-

-

11.5

79

 
 
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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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