FRP Structural Section Properties

The values below are from tests performed in accordance with ASTM

MECHANICAL PROPERTIES	ASTM	UNITS	APPROX. VALUES
Tensile Stress L	D-638	MPa	207
Tensile Stress C	D-638	MPa	48
Tensile Modulus L	D-638	GPa	17
Tensile Modulus C	D-638	GPa	5.5
Compressive Stress L	D-695	MPa	207
Compressive Stress C	D-695	MPa	103
Compressive Modulus L	D-695	GPa	17
Compressive Modulus C	D-695	GPa	7
Flexural Stress L	D-790	MPa	207
Flexural Stress C	D-790	MPa	69
Flexural Modulus L	D-790	GPa	12
Flexural Modulus C	D-790	GPa	5.5
Modulus of Elasticity E	Full Section	GPa	19
Shear Modulus		GPa	3
Short Beam Shear	D-2344	MPa	31
Punch Shear	D-732	MPa	69
Bearing Stress L	D-953	MPa	207
Notched Izod Impact L	D-256	J/mm	1.3
Notched Izod Impact C	D-256	J/mm	0.2
PHYSICAL PROPERTIES
Barcol Hardness	D-2583		45
24 Hour Water Absorption	D-570	% max	0.5
Density	D-792	kg/m3	1700 – 1900
Coefficient of Thermal Expansion L	D-696	100 cm/cm/0C	8
ELECTRICAL PROPERTIES
Arc Resistance L	D-495	Seconds	120
Dielectric Strength L	D-149	KV/mm	1.4
Dielectric Strength P	D-149	KV/mm	8
Dielectric Constant P	D-150	@50hz	5

Vinyl Ester and Isophthalic Polyester Structural Sections
FLAMMABILITY PROPERTIES
Tunnel Test	E-84	Flame spread	25 max
Flammability	D-635		Non-Burning

L = Lengthwise C = Crosswise P = Perpendicular to Face

IMPORTANT NOTE: Designers should confirm the section properties and apply appropriate load and safety factors