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Useful dataIntroduce useful data of our industrial films

About useful data

1.Electrical property

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.

2.Chemical property

Chemical resistance of TOYOBOESTER® Film

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.

Soluble organic solvent of TOYOBOESTER® Film

Solvent Evaluation
m-cresol Soluble
Nitrobenzene Soluble
o-Chlorophenol Soluble
Phenol Soluble
mono-chlorobenzane Swelling
Methyl benzoate Swelling
Methyl salicylate Swelling
Tetralin Swelling

3.Table of each plastic film's properties (measured for each plastic films with 25 μm thickness)

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.

4.Roll's diameter to film length  for each thickness

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5.Standard length and weigth of roll

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