| Category: | Polyester, TP , Thermoplastic Polyester |
| Manufacturer: | Eastman Chemical Company |
| Trademark: | Sahara™ |
| Fillers: | - |
| Ports: | Qinzhou, Shekou, Shanghai, Ningbo |
| Delivery Terms | FOB, CIF, DAP, DAT, DDP |
| PDF: | WtH874_Sahara-Films.pdf |
| PRICE: | Order Products email sales@su-jiao.com |
| Message |
|---|
| Eastman Sahara™ Films are developed for use in applications where increased temperature resistance is desired. |
| General Information | |
|---|---|
| Features |
|
| Uses |
|
| Forms |
|
| Physical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Specific Gravity | 1.22 | g/cm³ | ASTM D792 |
| Molding Shrinkage - Flow | -5.0E-3 | % | ASTM D955 |
| Water Absorption (23°C, 24 hr) | 0.14 | % | ASTM D570 |
| Color | ASTM D2244 | ||
| a | -0.31 to -0.020 | ||
| b | 0.34 to 0.72 | ||
| L | 95 to 96 |
| Mechanical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Tear Resistance 1 | ASTM D1004 | ||
| MD : 23°C, 250.0 µm | 42 | N | |
| TD : 23°C, 250.0 µm | 43 | N |
| Films | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Carbon Dioxide Permeability (30°C, 250.0 µm) 2 | 87 | cm³·mm/m²/atm/24 hr | ASTM D1434 |
| Tear Propagation Resistance 3 | ASTM D1938 | ||
| MD : 23°C, 250.0 µm | 400 | gf | |
| TD : 23°C, 250.0 µm | 420 | gf |
| Additional Information | Nominal Value | Test Method | |
|---|---|---|---|
| Whiteness | 88.8 | ASTM D2244 |
| Hardness | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Rockwell Hardness (R-Scale, 23°C) | 115 | ASTM D785 |
| Mechanical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Tensile Strength | ASTM D638 | ||
| Yield, 23°C | 53.0 | MPa | |
| Break, 23°C | 53.0 | MPa | |
| Tensile Elongation | ASTM D638 | ||
| Yield, 23°C | 6.0 | % | |
| Break, 23°C | 170 | % | |
| Flexural Modulus (23°C) | 2250 | MPa | ASTM D790 |
| Flexural Strength (23°C) | 79.0 | MPa | ASTM D790 |
| Films | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Film Thickness - Tested | 250 | µm | |
| Secant Modulus | ASTM D882 | ||
| 1% Secant, MD : 250 µm | 1900 | MPa | |
| Tangent, MD : 250 µm | 1800 | MPa | |
| Tensile Strength | ASTM D882 | ||
| MD : Yield, 250 µm | 54.0 | MPa | |
| TD : Yield, 250 µm | 52.0 | MPa | |
| MD : Break, 250 µm | 49.0 | MPa | |
| TD : Break, 250 µm | 44.0 | MPa | |
| Tensile Elongation | ASTM D882 | ||
| MD : Yield, 250 µm | 6.0 | % | |
| TD : Yield, 250 µm | 6.0 | % | |
| MD : Break, 250 µm | 150 | % | |
| TD : Break, 250 µm | 130 | % | |
| Dart Drop Impact 4(23°C, 250 µm) | 600 | g | ASTM D1709A |
| Elmendorf Tear Strength | ASTM D1922 | ||
| MD : 250 µm | 670 | g | |
| TD : 250 µm | 920 | g | |
| Oxygen Permeability (30°C, 50% RH) | 18 | cm³·mm/m²/atm/24 hr | ASTM D3985 |
| Water Vapor Transmission Rate (38°C, 100% RH) | 8.0 | g/m²/24 hr | ASTM F372 |
| Impact | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Notched Izod Impact | ASTM D256 | ||
| -40°C | 66 | J/m | |
| 23°C | 130 | J/m | |
| Unnotched Izod Impact | ASTM D4812 | ||
| -40°C | No Break | ||
| 23°C | No Break | ||
| Instrumented Dart Impact | ASTM D3763 | ||
| -18°C, 0.250 mm, Energy at Peak Load | 5.00 | J | |
| 23°C, 0.250 mm, Energy at Peak Load | 4.30 | J |
| Thermal | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Deflection Temperature Under Load | ASTM D648 | ||
| 0.45 MPa, Unannealed | 86.0 | °C | |
| 1.8 MPa, Unannealed | 78.0 | °C | |
| Glass Transition Temperature 5 | 100 | °C | ASTM D3418 |
| Vicat Softening Temperature | 102 | °C | ASTM D1525 6 |
| CLTE - Flow (-30 to 30°C) | 5.0E-5 | cm/cm/°C | ASTM D696 |
| Electrical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Dielectric Strength 7(23°C, in Oil) | 50 | kV/mm | ASTM D149 |
| Dielectric Constant | ASTM D150 | ||
| 23°C, 1 kHz | 2.46 | ||
| 23°C, 10 kHz | 2.43 | ||
| 23°C, 100 kHz | 2.41 | ||
| 23°C, 1 MHz | 2.34 | ||
| Dissipation Factor | ASTM D150 | ||
| 23°C, 1 kHz | 5.0E-3 | ||
| 23°C, 10 kHz | 8.0E-3 | ||
| 23°C, 100 kHz | 0.012 | ||
| 23°C, 1 MHz | 0.014 |
| Optical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Gloss | ASTM D2457 | ||
| 45°, 250 µm 8 | 106 | ||
| 60° | 105 | ||
| Refractive Index | 1.566 | ASTM D542 | |
| Transmittance | ASTM D1003 | ||
| Total | 90.0 | % | |
| Total, 250 µm 9 | 92.0 | % | |
| Regular, 250 µm 10 | 90.0 | % | |
| Clarity 11(250 µm) | 100 | ASTM D1746 | |
| Haze | ASTM D1003 | ||
| -- | 1.4 | % | |
| 250 µm 12 | < 1.0 | % | |
| Yellowness Index 13(0.250 mm) | 0.63 | YI | ASTM D1925 |
| Note Message | |
|---|---|
| 1 . | 90° |
| 2 . | 60% RH |
| 3 . | Split Tear Method, 254 mm/min |
| 4 . | 12.7 mm dia. head, 127 mm dia. clamp, 600 mm drop |
| 5 . | Determined by DSC on the 2nd heating cycle. |
| 6 . | Loading 1 (10 N) |
| 7 . | Method A (Short-Time) |
| 8 . | Film |
| 9 . | Film |
| 10 . | Film |
| 11 . | Film |
| 12 . | Film |
| 13 . | Film |
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