| Property | Thickness | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| JIS C 2318 | #12 | #16 | #25 | #38 | #50 | #75 | #100 | #125 | ||
| Volume resistivity (Ω/cm, at 20 ℃) |
- | 2.4x107 | 2.7x107 | 2.0x107 | 2.9x107 | 1.8x107 | 4.2x107 | 3.6x107 | 3.2x107 | |
| Breakdown voltage (kV) | Average | - | 3.5 | 3.9 | 6.5 | 8.6 | 10.1 | 12.3 | 14.9 | 16.6 |
| Minimun | - | - | - | - | 8.2 | 9.9 | 12.1 | 14.5 | 16.2 | |
| Breakdown number Defect number (pcs) |
- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Dielectric loss tangent (at 20 ℃ and 103 Hz) |
- | 4.6x10-3 | 4.6x10-3 | 4.6x10-3 | 4.6x10-3 | 4.7x10-3 | 4.8x10-3 | 4.7x10-3 | 4.7x10-3 | |
(Type:E-5000)
Above these data are representative, not guaranteed.
Immersing condition : at 20 ℃ for 20 days
| Solvent | Evaluation | Solvent | Evaluation |
|---|---|---|---|
| 15% hydrochloric acid | ◎ | Chloroform | ◎ |
| 30% hydrochloric acid | ○ | Tetra-chloroethane | ◎ |
| 30% nitric acid | ○ | Carbon tetrachloride | ◎ |
| 60% nitric acid | × | Freon (at 45 degrees C) | ◎ |
| 20% sulfric acid | ◎ | Ethanol | ◎ |
| 60% sulfric acid | ◎ | Ethyl acetate | ◎ |
| 10% caustic soda | × | Acetone | ◎ |
| 10% Potassium hydroxide | × | Benzene | ◎ |
| 10% sodium carbonate | ◎ | Xylene | ◎ |
(◎:Excellent 〇:Good ×:No Good)
Chemical resistance of TOYOBOESTER® Film is durable to acid, alkaline, organic solvent (except for some polarity solvent) and oils.
| Solvent | Evaluation |
|---|---|
| m-cresol | Soluble |
| Nitrobenzene | Soluble |
| o-Chlorophenol | Soluble |
| Phenol | Soluble |
| mono-chlorobenzane | Swelling |
| Methyl benzoate | Swelling |
| Methyl salicylate | Swelling |
| Tetralin | Swelling |
| Property | Unit | TOTOBO ESTER® film | Cellophane(#300) | TOYOBO PYLEN® Film-OT (OPP) | TOYOBO HARDEN® Film (ONY) | Polycarbonate Triacetate | Triacetate | Polystyrene(oniented) |
|---|---|---|---|---|---|---|---|---|
| Density | g/cm3 | 1.40 | 1.45 | 0.91 | 1.15 | 1.20 | 1.30 | 1.05 |
| Tensile strength (MD) | Mpa | 216 | 118 | 137 | 226 | 78.5 | 73.6 | 78.5 |
| Elongation (MD) | % | 120 | 20 | 145 | 85 | 100 | 45 | 5 |
| Impact strength (25μm) | J | 0.78 | 0.20 | 0.59 | 1.03 | 0.78 | 0.20 | ≦0.02 |
| Volume resistivity | Ω・cm | 107 | - | 105 | 105 | 105 | 105 | 105 |
| Dielectric constant (10 Hz, at 20 ℃) | 3.2 | - | ・2.2 | 3.4 | 3 | 3.5 | 2.5 | |
| Dielectric loss tangent (10 Hz, 20 ℃) | 4.6x10-3 | - | 3.0x10-4 | 1.6x10-2 | 1.5x10-3 | 2.1x10-2 | 3.5x10-2 | |
| Breakdown voltage | v/25μm | 6500 | - | - | 1500 (50μm,50%RH) |
1500 | 3700 | 2500 |
| Watar absorption rate (23 ℃, 24 hours) | % | 0.3 | 40~100 | 0.1以下 | 1~2 | 0.2 | 3.5 | 0.5 |
| Maximun operating temperature | ℃ | 150 | 190 | 120 | 120 | 135 | 150 | 100 |
Above these data are representative, not guaranteed.




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