Physical Properties

Tensile properties of UD prepreg

Grade

Fiber

Tensile Strength*

(MPa)

Tensile Modulus*

(GPa)

Test Method

USN

HS carbon fiber (24 Ton)

2686

128.3

ASTM D 3039

UIN

IM carbon fiber (30 Ton)

2950

147.7

UMN

IM carbon fiber (35 Ton)

2157

167.7

UHN

HM carbon fiber (40 Ton)

2476

195.4

UPN

HM carbon fiber (46 Ton)

2109

216.1

URN

UHM carbon fiber

(Pitch based, 65 Ton)

1455

333.9

UXN

UHM carbon fiber

(Pitch based, 80 Ton)

1414

426.5

UGN

E-glass fiber

1328

46.9

Cured Laminate Properties (USN and WSN grade)

Physical Properties

Unit

USN150A

WSN3KY

Test Method

Fiber Areal weight

g/m2

150

203

-

Resin Content

%

36

40

Cured Ply Thickness*

(Theoretical)

mm

0.154

0.226

Fiber Volume

(Theoretical)

%

54.4

50.1

Mechanical Properties

Unit

USN150A

WSN3KY

Test Method

Tensile Strength

MPa

2500

850

ASTM D 3039

Tensile Modulus

GPa

125.3

60.7

Compressive Strength

MPa

1200

800

SACMA,

SRM1-88**

Flexural Strength

MPa

1150

-

ASTM D 790

ILSS

MPa

88.5

-

ASTM D 2344

Impact Strength

kJ/m2

130

-

ASTM D 256

Glass transition

Temperature

Onset point

122.8

ASTM D 7028

Peak tanδ

136.5