AlzChem DYHARD® Epoxy Fluid System for Filament Winding

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AlzChem DYHARD® Epoxy Fluid System for Filament Winding
Categories:	Polymer; Thermoset; Epoxy
Material Notes:	DYHARD® Fluid curing system for filament winding processes consists of DYHARD® RF2100 low viscosity modified BPA epoxy resin and DYHARD® Fluid 212 latent liquid curing agent. This curing system offers relative fast cure at elevated temperatures, long pot life in the impregnation bath, and has ideal viscosity for impregnation. The system is recommended for the production of CNG and H2 pressure cylinders. Property data is reported for a DYHARD® RF2100: DYHARD® Fluid212 = 100:10 ratio. Information provided by Alzchem LLC.
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Physical Properties	Original Value	Comments

Viscosity	250 cP @Temperature 50.0 °C
	500 cP @Temperature 42.5 °C
	1000 cP @Temperature 35.5 °C
	2000 cP @Temperature 29.5 °C

Mechanical Properties	Original Value	Comments
Tensile Strength at Break	82.0 MPa	ISO 527-2
Tensile Stress at Strain	93.0 MPa @Strain 5.0 %	ISO 527-2
Elongation at Break	7.8 %	ISO 527-2
Tensile Modulus	3.55 GPa	ISO 527-2
Flexural Strength	130 MPa @Strain 9.0 %	Break; ISO 178
	150 MPa @Strain 6.1 %	Maximum; ISO 178
Flexural Modulus	3.50 GPa	Maximum; ISO 178

Processing Properties	Original Value	Comments
Cure Time	1.17 hour @Temperature 120 °C	90% Conversion
	4.00 hour @Temperature 100 °C	90% Conversion
Pot Life	>= 5760 min @Temperature 40.0 °C	No exothermal heat is developed in a 1 kg resin sample during >4 days at 40 ºC.

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PALZC990 / 230550

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