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ENTEK EP

Applications

Consumer Electronicsli-camera

ENTEK EP is used in secondary lithium batteries powering portable electronic devices such as laptop computers, tablets, mobile phones, and digital cameras. This product is also used in lithium primary batteries for aerospace and military.

Nominal Porosity

44%

Available Thicknesses

5µm, 7µm, 9µm , 12µm , 16µm , 20µm

Typical Characteristics

These are typical characteristics for the EP line. ENTEK routinely customizes separators based upon customer requirements.

Thickness (average) 20 µm
Basis Weight 11 g/m2
Porosity 44%
Air Permeability 275 sec
Tensile Strength MD ≥ 1,100 kg/cm2
TD ≥ 900 kg/cm2
Tensile Elongation at BreakMD - 90%
TD - 245%
Puncture Resistance 540 g
Thermal Shrinkage @ 120 C, 1 hr. MD - 11%
TD - 3%

This data sheet only shows typical properties. We urge purchasers to conduct tests to determine final suitability for their specific end uses. No statement with respect to use is intended as a positive recommendation for such use, no guarantee of performance expressed or implied is made.

Nominal Thickness16 µm
Basis Weight9 g/m2
Nominal Porosity44%
Air Permeability245 sec/100 ml
Puncture Resistance455 g
Tensile StrengthMD ≥ 1000 kg/cm2
TD ≥ 900 kg/cm2
Tensile ElongationMD - 70%
TD - 250%
Thermal Shrinkage @120C, 1 hr.MD - 11%
TD - 2%

Nominal Thickness12 µm
Basis Weight6.5 g/m2
Nominal Porosity44%
Air Permeability145 sec / 100 ml
Puncture Resistance300 g
Tensile StrengthMD ≥ 1000 kg/cm2
TD ≥ 900 kg/cm2
Tensile ElongationMD - 115%
TD - 280%
Thermal Shrinkage @120C, 1hr.MD - 11%
TD - 2%

Nominal Thickness9 µm
Basis Weight5.0 g/m2
Nominal Porosity44%
Air Permeability140 sec / 100ml
Puncture Resistance260g
Tensile StrengthMD ≥ 1300 kg/cm2
TD ≥ 900 kg/cm2
Tensile ElongationMD - 55%
TD - 280%
Thermal Shrinkage @120C, 1 hr.MD - 10%
TD - 4.5%

Nominal Thickness7 µm
Basis Weight4.0 g/m2
Nominal Porosity44%
Air Permeability105 sec / 100 ml
Puncture Resistance215g
Tensile StrengthMD ≥ 1200 kg/cm2
TD ≥ 700 kg/cm2
Tensile ElongationMD - 40%
TD - 165%
Thermal Shrinkage @120C, 1 hr.MD - 10%
TD - 3.5%

Nominal Thickness5 µm
Basis Weight2.9 g/m2
Nominal Porosity44%
Air Permeability110 sec / 100 ml
Puncture Resistance170g
Tensile StrengthMD ≥ 1500 kg/cm2
TD ≥ 1100 kg/cm2
Tensile ElongationMD - 30%
TD - 140%
Thermal Shrinkage @120C, 1 hr.MD - 10%
TD - 1%


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