AdvanSource Biomaterials ChronoFlex® C 55D Biodurable Medical Grade Polyurethane

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USP Class VI Approved Adhesives for Medical Device Applications
Master Bond’s biocompatible adhesives are designed to meet the needs of medical device manufacturers. Compounds withstand various types of sterilization methods.

AdvanSource Biomaterials ChronoFlex® C 55D Biodurable Medical Grade Polyurethane
Categories:	Polymer; Thermoplastic; Elastomer, TPE; Polyurethane, TP; Polycarbonate-Urethane
Material Notes:	ChronoFlex® C is a family of premium polycarbonate aromatic biodurable thermoplastic polyurethane elastomers developed by AdvanSource Biomaterials Corporation. ChronoFlex® C medical-grade elastomers are manufactured under strict GMP conditions. Polycarbonate polyurethanes have been shown to minimize surface degradation such as stress induced microfissures. Aromatic materials have good solvent resistance and limited softening in the body. Information provided by AdvanSource Biomaterials Corporation.
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Physical Properties	Metric	English	Comments

Density	1.20 g/cc	0.0434 lb/in³	ASTM D792
Water Absorption	1.0 %	1.0 %	ASTM D570
Melt Flow	5.0 g/10 min @Load 2.17 kg, Temperature 210 °C	5.0 g/10 min @Load 4.78 lb, Temperature 410 °F	ASTM D1238

Mechanical Properties	Metric	English	Comments
Hardness, Shore D	55	55
Tensile Strength, Ultimate	41.4 - 51.7 MPa	6000 - 7500 psi	Conditioned 7 days at RT/50% RH; ASTM D638
Elongation at Break	365 - 440 %	365 - 440 %	Conditioned 7 days at RT/50% RH; ASTM D638
100% Modulus	12.8 - 15.2 MPa @Strain 100 %	1850 - 2200 psi @Strain 100 %	Secant; Conditioned 7 days at RT/50% RH; ASTM D638
300% Modulus	11.7 - 13.8 MPa @Strain 300 %	1700 - 2000 psi @Strain 300 %	Secant; Conditioned 7 days at RT/50% RH; ASTM D638
Flexural Strength	3.79 MPa	550 psi	ASTM D790
Flexural Modulus	0.0641 GPa	9.30 ksi	ASTM D790
Coefficient of Friction, Dynamic	0.80	0.80	ASTM D1894
Abrasion	0.035	0.035	% loss/1000 cycles; ASTM D1044

Electrical Properties	Metric	English	Comments
Dielectric Strength	20.5 kV/mm	520 kV/in	ASTM D149

Thermal Properties	Metric	English	Comments
Vicat Softening Point	26.7 °C	80.0 °F	ASTM D1525

Processing Properties	Metric	English	Comments
Zone 1	216 °C	420 °F
Zone 2	224 °C	435 °F
Zone 3	232 °C	450 °F
Die Temperature	238 °C	460 °F
Melt Temperature	238 °C	460 °F
Drying Temperature	82.2 - 116 °C	180 - 240 °F
Dry Time	3 - 4 hour	3 - 4 hour
Moisture Content	<= 0.10 %	<= 0.10 %
Dew Point	-40.0 °C	-40.0 °F

Compliance Properties	Metric	English	Comments
USP Class VI	Yes	Yes	U.S.P. XXII

Descriptive Properties
Appearance	Clear to slightly cloudy
Recommended Sterilization	Gamma, E-Beam, Ethylene Oxide

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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