Strong and durable fiberglass reinforced plastic frp Rectangular Hollow Tube

Property

Test Method

Units

Mean-Value

LW/CW

Tensile Strength

ASTM D638/GB1447-83

Mpa

210/75

Tensile Modulus

ASTM D638/GB1447-83

Gpa

22/10

Flexural Strength

ASTM D790/GB1449-83

Mpa

302/76

Flexural  Modulus

ASTM D790/GB1449-83

Gpa

18.6/7.2

Compressive Strength

ASTM D695/GB1448-83

Mpa

258/98

Compressive Modulus

ASTM D695/GB1448-83

Gpa

19.2/7.2

Interlaminar Shear(LW)

ASTM D2344/GBT3357-82

Mpa

24.5

Charpy Impact Strength

ISO 179/GB1451-83

KJ/m²

279

Barcol Hardness

ASTM D2583

-

50

Elongation to Break

ASTM D638/GB1447-83

%

0.9

Water Absorption(max.)

ASTM D570/GB1462

%

0.57

Density

ASTM D792

g/cm³

1.8

Coefficient of Thermal Expansion

ASTM D696/GB2572-82

10^-6/

5.1

Flammability Classification

UL94/GB8924-88

-

VO (32)

Tunnel Test

ASTM E-84

-

25 Max.

Flammability Extinguishing

ASTM D635

-

Self extinguishing

Arc Resistance(LW)

ASTM D495/ GB1411-78

S

120

Dielectric Constant(PF)

ASTM D150/ GB1409-79

60Hz

5

Dielectric Strength(PF)

ASTM D149/ GB1408-78

KV/mm

8

Dielectric Strength(LW)

ASTM D149/ GB1408-78

KV/mm

1.6

Surface Resistance

ASTM D257/GB1410-78

Ω

10¹⁵    10¹²

Volume Resistance

ASTM D257/GB1410-78

Ω.cm

10¹⁵    10¹²

Remarks:
LW =lengthwise    CW = crosswise     PF =perpendicular to laminate face