The Fibrwrap TM System utilizes two options of primary fiber, e-glass or carbon. SEH51 uses e-glass and aramid fiber suspended in an epoxy matrix. Ultimate tensile strength values are 80 ksi. The ultimate strain of the SEH51 is 0.02 with a modulus of elasticity of 4000 ksi. Aramid is the supporting fiber woven at 90oto provide strength in that direction of 6.0 ksi. Coefficient of thermal expansion of the SEH51 system is 4.3 x 10 -6 . SCH-41 uses carbon & aramid fiber suspended in an epoxy matrix. Ultimate tensile strength values are 150 ksi. The ultimate strain of the SCH41 Carbon System is 0.012 with a modulus of elasticity at 10,000 ksi. The coefficient of thermal expansion of the SCH41 carbon system is 0.2 x 10-6 . These materials are manufactured and installed in accordance with ICBO AC125.

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Composite Property	SEH 51	SCH 41
Primary Fiber	Glass	Carbon
Tensile Strength (min. ASTM D3039)	80 ksi (522 MPa)	150 ksi (1,034 MPa)
Ultimate Strain (min. ASTM D3039)	0.02	0.012
Elastic Modulus (min. ASTM D3039)	4000 ksi (27,579 MPa)	10,000 ksi (68,948 MPa)
Strength at 90o (min. ASTM D3039)	6.0 ksi	0 or 6.0 ksi as per specification
Coefficient of Thermal Expansion	4.3 x 10-6	0.2 x 10-6
Alkali Resistance	Protected with TYFO Epoxy Membrane	No Effect
Galvanic Corrosion	No Effect	Protected with TYFO Epoxy Membrane
Brittleness	Very Elastic	Susceptible to damage from minimal impact
Economics	Quite cost effective	3-4 times SEH 51
Anchorage	Per Design	Required to allow for temperature changes
Thickness	Per Design	Greater than SEH 51 in flexural areas
MSDS PDF Files	SEH-51 MSDS	SCH-41 MSDS