PP PE PP Composite Battery Separator Base Film 25μm, 60 mm x 100 m
Product Overview
Dry-process PP/PE/PP composite separator base film, model UP3085, supplied as UP3085 three-layerPP/PE/PP
60mmx100 m. The source data identifies this as a non-Celgard three-layer structure.
Product Details
| Product name | PP PE PP Composite Battery Separator Base Film 25μm, 60 mm x 100 m |
| Source specification | UP3085 three-layerPP/PE/PP 60mmx100 m |
| Process / coating side | Dry process; uncoated composite |
| Material | Three-layer PP/PE/PP composite |
| Model | UP3085 |
| Process | Dry process |
| Structure | PP/PE/PP |
| Thickness | 25 μm |
| Width | 60 mm |
| Roll length | 100 m |
| Air permeability | 520 sec/100 cc |
| Porosity | 43% |
| Tensile strength MD / TD | 155 / 13 MPa |
| Elongation MD / TD | 100% / >100 |
| Thermal shrinkage MD | 6.2% |
| Celgard status | Non-Celgard |
Important Note
Note: Slight variations may occur between different production lots of the battery separator. The performance indicators are guaranteed to comply with our product specifications.
Related Products
| Research Need | Related Product | Best For |
|---|---|---|
| Compare nearby specifications | PP PE PP Composite Battery Separator Base Film 20μm, 60 mm x 100 m | Same PP PE PP composite separator family for direct specification comparison. |
| Review same-family format | PP PE PP Composite Battery Separator Base Film 16μm, 60 mm x 100 m | Same PP PE PP composite separator family for direct specification comparison. |
| Check alternate format | PP PE Nonwoven Battery Separator Base Film 30μm, 60 mm x 120 m | Same separator category for adjacent material or format comparison. |
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TAILORED SOLUTIONS FOR RESEARCH
Contact our engineering team for technical support or official institutional quotations.
EMAIL: inquiry@atomfair.com
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Manufacturer: Atomfair LLC
Brand: ATOMFAIR®
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PP/PE/PP trilayer separator disks require inert atmosphere handling to prevent oxidation and moisture contamination. Humidity below 2% RH and dust-free conditions are mandatory to maintain electrochemical performance.
- Atmosphere Constraint: Unpack and use the separator only inside an argon-filled glovebox to avoid oxygen and moisture exposure.
- Humidity Constraint: Ambient humidity must be maintained below 2% relative humidity to eliminate moisture interference with battery reactions.
- Contamination Constraint: Operate in a dust-free environment to prevent particle contamination that could cause short circuits or inconsistent data.
This procedure outlines the essential steps for installing the PP/PE/PP trilayer separator disk in a CR20XX coin cell under controlled conditions. Proper environment and handling ensure reliable electrochemical testing.
Required Equipment: Argon-filled glovebox, Humidity monitor, Lint-free cloth, CR20XX coin cell crimping tool
- Transfer package into glovebox
Transfer the sealed separator disk package into the argon-filled glovebox through the antechamber to avoid oxygen ingress. - Verify humidity level
Confirm via a humidity monitor that the glovebox internal relative humidity is below 2% RH before opening the package. - Prepare clean work surface
Wipe the work surface inside the glovebox with a lint-free cloth to ensure a dust-free area. - Position separator disk
Open the separator package and position the disk centrally between the cathode and anode layers in the CR20XX coin cell casing. - Seal coin cell
Close the coin cell casing and crimp it securely according to the cell manufacturer's specifications.
How does the 25 μm thickness and 40% porosity of this PP/PE/PP trilayer separator affect the trade-off between mechanical integrity and ionic transport in CR20XX coin cells?
The 25 μm thickness with 40% porosity balances mechanical robustness with efficient ion transport: the dense PP/PE/PP structure delivers MD tensile strength ≥700 kgf/cm² and TD ≥70 kgf/cm² per ASTM D882, while the 40% porosity and air permeability of 19–29 s/100 ml ensure adequate electrolyte wetting and ion mobility without compromising structural integrity during cycling.
Can this pre-cut PP/PE/PP trilayer separator be adapted for non-CR20XX coin cell formats or larger pouch cell configurations in battery R&D?
No, this separator is exclusively designed for CR20XX series button batteries and is precision-cut to that specific form factor; it is not recommended for use in other coin cell sizes or pouch cells, as the dimensions and layered construction are optimized for the CR20XX housing and electrode geometry.
What are the mandatory environmental conditions for unpacking and handling this PP/PE/PP trilayer separator to prevent contamination and ensure reproducible battery test results?
The separator must be unpacked and used inside an argon-filled glove box with ambient humidity below 2% RH and a dust-free environment to avoid oxidation of electrode materials, moisture interference, and particle contamination—this aligns with standard research-grade coin cell assembly protocols.
This pre-cut PP/PE/PP trilayer separator offers precise thickness (25±4μm) and porosity (40±5%) for CR20XX coin cell research, with balanced mechanical strength and chemical inertness, but requires stringent controlled-environment handling and is limited to the CR20XX form factor.
Positive
- Precision three-layer isolation: The PP/PE/PP trilayer structure provides precise separation between electrodes, preventing short circuits while facilitating efficient ion exchange for accurate electrochemical testing.
- Excellent chemical compatibility: The composite material is chemically inert to most battery electrolytes, avoiding adverse reactions and compatible with a wide range of electrode materials in advanced R&D.
Trade-offs
- Strict controlled environment required: Must be unpacked and used in an argon-filled glove box with humidity below 2% RH and dust-free conditions to prevent oxidation and moisture interference, aligning with research-level protocols but demanding specialized infrastructure.
- Limited to CR20XX coin cell format: Pre-cut exclusively for CR20XX series button batteries; not suitable for other cell formats without custom sizing, restricting application flexibility.
Every advanced material, component, equipment, and instrument in our catalog is backed by rigorous testing. We maintain strict internal quality management frameworks and align with CE conformity metrics to deliver transparent, reproducible performance data via our public open-science repository.
To request raw batch performance data, submit formal vendor registration paperwork, or execute a fast-turnaround R&D manufacturing loop, contact us at inquiry@atomfair.com.
Item is dispatched under the Atomfair Shipping & Delivery Framework (Free worldwide shipping on orders over $59 USD excl. heavy equipment). Return is governed by the Atomfair Return & Refund Policy (7-day technical return window).
