Celgard 2500 Monolayer PP Membrane Battery Separator
This 25µm Microporous Monolayer Membrane (PP) Separator Celgard 2500 is recommended to use in lithium-ion batteries lab research.
Size: 25um thickness, 85mm width, 60m/roll;
MOQ=1Roll.
Primary Application
High-Rate and Low-Temperature Primary Lithium Batteries
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Product Features:
25 µm microporous monolayer membrane (PP)
Uniform pore structure with high chemical and thermal stability
Low electrical impedance and high porosity provide high-rate capabilities
Zero TD shrinkage reduces internal shorting and improves high-temperature dimensional stability
Oxidation resistance for excellent cycling and trickle charge performance
| Name |
Celgard 2500 Monolayer PP Membrane Battery Separator |
|---|---|
| Thickness |
25 um |
| Gurley(JIS) |
200 Seconds |
| Porosity |
55% |
| PP Pore Size (Average Diameter) |
0.064 um |
| TD Shrinkage @ 90℃/1 Hour |
0% |
| MD Shrinkage @ 90℃/1 Hour |
5% |
| Puncture Strength |
335 Grams |
| Tensile Strength, MD |
1055 Kg/cm2 |
| Tensile Strength, TD |
135 Kg/cm2 |
| Width |
Custom, 85mm |
In stock
| Thickness |
18um, 20um, 25um |
|---|---|
| Width |
Custom, 85mm |
| Term | Unit | Inspection value |
| Appearance | Ivory-white | |
| Thickness | micron | 20±2 |
| Gas permeability | Sec/100ml | 350-550 |
| Porosity | % | 38-44 |
| Puncturing Strength | g | >300 |
| Tensile strength MD | Mpa | >90 |
| Tensile strength TD | Mpa | >100 |
| Film close temperature | ℃ | ≤135 |
| Film break temperature | ℃ | ≥147 |
| 90℃ heat shrink MD | % | ≤3.5 |
| 90℃ heat shrink TD | % | ≤2 |
| 105℃ heat shrink MD | % | ≤5 |
| 105℃ heat shrink TD | % | ≤3 |
| 120℃ heat shrink MD | % | ≤20 |
| 120℃ heat shrink TD | % | ≤15 |
| Name | PP(polypropylene) Separator | ||
| Item | Unit | Type | |
| PP-25 | |||
| Thickness | um | 25 | |
| Air Permeability | sec/100ml | 520 | |
| Factor of porosity | % | 42 | |
| Tensile Strength | MD | Kg/cm2 | >1200 |
| TD | Kg/cm2 | >130 | |
| Puncture Strength | g | >450 | |
| Thermal contraction (90℃ 1h) | MD | % | ≤2.5 |
| TD | % | ≤0.5 | |
| Thermal contraction (105℃ 1h) | MD | % | ≤4 |
| TD | % | ≤1 | |
| Obturator temperature | ℃ | 153 | |
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