PE Seperator (Polyethylene Battery Separator) for Lead‑Acid Systems
Our PE Seperator is engineered for flooded and maintenance‑free lead‑acid batteries. It provides dependable ionic conductivity, mechanical strength, and stable service life. Built from UHMWPE with hydrated silica and produced on CNC‑controlled lines, its rib geometry supports uniform acid flow and helps limit oxidation‑related cracking. Common, composite, and envelope formats are available, with optional hydrophilic treatment for fast wetting.
Materials & Design (UHMWPE + Hydrated Silica)
This polyethylene separator uses ultra‑high molecular weight polyethylene with carefully dispersed hydrated silica. The formulation creates uniform pores for electrolyte wetting and low electrical resistance. It resists oxidation and shrinkage, maintains dimensional stability across cycling and temperature changes, and offers strong puncture and tear resistance.
Manufacturing & Quality Control (CNC Rib Profiles, Tight Tolerances)
CNC‑guided production controls thickness, pore distribution, and rib profiles—up to 18 ribs—across rolls and envelope formats. The precision rib structure minimizes crack initiation at the plate interface, reduces stratification risk, and promotes consistent acid circulation.
The quality system is certified to ISO9001, ISO14001, ISO45001, and ISO17025. AEO certification and established international logistics support traceability and stable delivery.
Key Features & Performance
Low electrical resistance for efficient ion transport
High puncture and tear strength to help prevent soft shorts
Controlled porosity; optional hydrophilic treatment for fast wetting and stable electrolyte retention
Ribbed surface for acid flow and mechanical spacing
Smooth base layer that protects active material and supports capacity retention
Sizes & Rib Options
Overall thickness: 0.8–3 mm for SLI to deep‑cycle designs
Back‑web thickness is controlled to maintain dielectric strength with efficient ion transport
Base thickness options: 0.20 mm and 0.25 mm to tune stiffness and compressibility
Rib profiles, including 18‑rib designs, to improve circulation, current distribution, and spacing
Formats & Variants
Choose sheet/roll, composite, or ready‑made envelope separators. Envelope formats simplify assembly and reduce short‑circuit risk. Composite designs can integrate tailored layers for wetting, rigidity, and abrasion resistance. Hydrophilic variants speed electrolyte penetration for faster formation and improved cold starts.
Compatibility & Applications
This separator suits automotive SLI, motive power, backup/telecom, and renewable storage systems. It works with diverse grid alloys and paste formulations in both flooded and maintenance‑free designs. Thickness and rib configurations accommodate different plate types and compression regimes.
Compliance & Related Materials
Certifications include ISO9001, ISO14001, ISO45001, and ISO17025. AEO status supports documentation and consistent logistics. To streamline sourcing, related materials are available: AGM separator and glass fiber media, pasting paper, safe valves, magic eyes, battery water systems, sodium sulfate 99.8%, and nano‑SiO2 (20–30 nm).
Selection & Customization
We tailor thickness, base layer, rib count, envelope dimensions, and surface treatments to match your plate design and performance targets. CNC production and rigorous QC help deliver consistent batches. Contact PE Seperator manufacturer/supplier to discuss specifications or request a quote.
FAQ
Q: When should I choose a hydrophilic separator?
A: Use hydrophilic treatment for faster formation, quick wetting, and improved low‑temperature starts. Standard variants suit applications where formation time and cold starts are less critical.
Q: How do I select thickness and rib count?
A: Match overall thickness and base thickness to plate type and compression. Higher rib counts can improve acid flow and spacing. We can review your plate design and recommend a configuration.
Q: Are envelope separators compatible with maintenance‑free batteries?
A: Yes. Envelope formats help reduce short‑circuit risk and simplify assembly for maintenance‑free designs, provided dimensions and compression targets are aligned with the battery architecture.
