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AdvanSource Biomaterials ChronoFlex® C 75D Biodurable Medical Grade Polyurethane
| Category | Polymer , Thermoplastic , Elastomer, TPE , Polycarbonate (PC) , Polyurethane, TP , Polycarbonate-Urethane |
| Manufacturer | AdvanSource Biomaterials (formerly CardioTech International) |
| Trade Name | ChronoFlex® |
| Port | Shanghai port,China |
| Trade Terms | FOB, CFR, CIF |
| Payment Terms | L/C, T/T, Western Union |
| Download PDF | AdvanSource Biomaterials ChronoFlex® C 75D Biodurable Medical Grade Polyurethane.pdf  |
| Price | EMAIL US sales@lookpolymers.com |
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.
| Physical Properties | Metric | English | Comments |
|---|---|---|---|
| Density | 1.20 g/cc | 0.0434 lb/in³ | ASTM D792 |
| Water Absorption | 0.80 % | 0.80 % | ASTM D570 |
| Melt Flow | 3.0 g/10 min @Load 2.17 kg, Temperature 210 °C |
3.0 g/10 min @Load 4.78 lb, Temperature 410 °F |
ASTM D1238 |
| Mechanical Properties | Metric | English | Comments |
|---|---|---|---|
| Hardness, Shore D | 75 | 75 | |
| Tensile Strength, Ultimate | 48.3 - 55.2 MPa | 7000 - 8000 psi | Conditioned 7 days at RT/50% RH; ASTM D638 |
| Elongation at Break | 255 - 320 % | 255 - 320 % | Conditioned 7 days at RT/50% RH; ASTM D638 |
| 100% Modulus | 0.0365 - 0.0393 GPa | 5.30 - 5.70 ksi | Secant; Conditioned 7 days at RT/50% RH; ASTM D638 |
| 300% Modulus | 0.0186 - 0.0221 GPa | 2.70 - 3.20 ksi | Secant; Conditioned 7 days at RT/50% RH; ASTM D638 |
| Flexural Strength | 6.89 MPa | 1000 psi | ASTM D790 |
| Flexural Modulus | 0.207 GPa | 30.0 ksi | ASTM D790 |
| Coefficient of Friction, Dynamic | 0.64 | 0.64 | ASTM D1894 |
| Abrasion | 0.053 | 0.053 | % loss/1000 cycles; ASTM D1044 |
| Electrical Properties | Metric | English | Comments |
|---|---|---|---|
| Dielectric Strength | 16.5 kV/mm | 420 kV/in | ASTM D149 |
| 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 | 96.1 - 116 °C | 205 - 240 °F | |
| Dry Time | 3 - 4 hour | 3 - 4 hour | |
| Moisture Content | <= 0.10 % | <= 0.10 % | |
| Dew Point | -40.0 °C | -40.0 °F |
| Descriptive Properties | Value | Comments |
|---|---|---|
| Appearance | Clear to slightly cloudy | |
| Class VI Biocompatibility | Passes | U.S.P. XXII |
| Recommended Sterilization | Gamma, E-Beam, Ethylene Oxide |
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