Category | Polymer , Film , Thermoplastic , Polyester, TP , Polyester Film |
Manufacturer | DuPont Teijin Films (DTF) |
Trade Name | Mylar® |
Port | Ningbo port,China |
Trade Terms | FOB, CFR, CIF |
Payment Terms | L/C, T/T, Western Union |
Download PDF | DuPont Teijin Films Mylar® LBTW Polyester Film, 75 Gauge.pdf |
Price | EMAIL US sales@lookpolymers.com |
Physical Properties | Metric | English | Comments |
---|---|---|---|
Density | 1.39 g/cc | 0.0502 lb/in³ | Typical Mylar®; ASTM D1505 |
Water Vapor Transmission | 29.5 g/m²/day @Temperature 38.0 °C |
1.90 g/100 in²/day @Temperature 100 °F |
90% RH; ASTM F1249 |
Coating Weight | 25.9 g/m² | 16.2 lb/ream | 0.5 m<sup>2</sup>; ASTM E252 |
Mechanical Properties | Metric | English | Comments |
---|---|---|---|
Film Elongation at Break, MD | 130 % | 130 % | ASTM D882A |
Film Elongation at Break, TD | 100 % | 100 % | ASTM D882A |
Tensile Modulus | 3.79 GPa | 550 ksi | ASTM D882 |
Graves Tear Strength | 0.158 kN/m | 0.900 pli | ASTM D1004 |
Film Tensile Strength at Break, MD | 200 MPa | 29000 psi | ASTM D882A |
Film Tensile Strength at Break, TD | 241 MPa | 35000 psi | ASTM D882A |
Thermal Properties | Metric | English | Comments |
---|---|---|---|
Specific Heat Capacity | 1.17 J/g-°C | 0.280 BTU/lb-°F | Typical Mylar® |
Melting Point | 254 °C | 489 °F | Typical Mylar® via DSC |
Shrinkage, MD | 2.2 % @Temperature 150 °C, Time 1800 sec |
2.2 % @Temperature 302 °F, Time 0.500 hour |
Unrestrained |
Shrinkage, TD | 1.1 % @Temperature 150 °C, Time 1800 sec |
1.1 % @Temperature 302 °F, Time 0.500 hour |
Unrestrained |
Optical Properties | Metric | English | Comments |
---|---|---|---|
Refractive Index | 1.64 - 1.67 | 1.64 - 1.67 | typical of Mylar® |
Haze | 6.5 % | 6.5 % | ASTM D1003 |
Gloss | 180 % | 180 % | 20°; ASTM D2457 |
Transmission, Visible | 90 % | 90 % | transparent; thickness not quantified |
Electrical Properties | Metric | English | Comments |
---|---|---|---|
Comparative Tracking Index | 400 - 600 V | 400 - 600 V | |
Hot Wire Ignition, HWI | <= 7.0 sec | <= 7.0 sec | |
High Amp Arc Ignition, HAI | <= 15 arcs | <= 15 arcs |
Descriptive Properties | Value | Comments |
---|---|---|
Gas Permeability (Base film) | 7 cc/100 in2 | O2, 24 hr; ASTM D3985 (77°F/75% RH/1 ATM) |
Yield (nominal) | 26700 in2/lb |