Hapco Hapflex 671 FR Urethane Elastomers

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Hapco Hapflex 671 FR Urethane Elastomers
Categories:	Polymer; Thermoset; Polyurethane, TS
Material Notes:	Most HAPFLEX 500 & 600 Series products are formulated to be flame retardant and most will pass the Underwriter’s Laboratory(UL) 94V test with a V-0 and V-1 rating. All two-component for-mulations with an FR in the name have been qualified by Hapco’s testing lab. Information provided by Hapco, Inc.
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Physical Properties	Metric	English	Comments

Specific Gravity	1.09 g/cc	1.09 g/cc	ASTM D-4669
Viscosity	2200 cP	2200 cP	ASTM D-4878
Linear Mold Shrinkage	0.0010 - 0.0030 cm/cm	0.0010 - 0.0030 in/in	ASTM D-2566

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	70	70	ASTM D-2240
Tensile Strength	31.11 MPa	4512 psi	ASTM D-638
Elongation at Break	87 %	87 %	ASTM D-638
Modulus of Elasticity	0.379 GPa	55.0 ksi	ASTM D-638
Flexural Strength	25.27 MPa	3665 psi	ASTM D-790
Flexural Modulus	0.5416 GPa	78.55 ksi	ASTM D-790
Izod Impact, Notched	NB	NB	ASTM D-256
Izod Impact, Unnotched	NB	NB	ASTM D-256
Tear Strength	116 kN/m	660 pli	ASTM 624 Die C

Thermal Properties	Metric	English	Comments
Deflection Temperature at 0.46 MPa (66 psi)	133 °C	271 °F	ASTM D-648
Deflection Temperature at 1.8 MPa (264 psi)	124 °C	255 °F	ASTM D-648
Flammability, UL94	V-1	V-1

Processing Properties	Metric	English	Comments
Cure Time	60.0 - 120 min @Thickness 3.17 mm	1.00 - 2.00 hour @Thickness 0.125 in	Demold
Gel Time	25.0 min @Load 0.100 kg	25.0 min @Load 0.221 lb	ASTM D-2971

Descriptive Properties
Color (cured)	Clear Amber
Mix Ratio	100:60		Volume
	100:65		Weight

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PHAPCO144 / 317203

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