BioPin IOT Group Answers to Key Questions Regarding Aluminum Foil Products
Aug 25, 2026
In the previous blog, we listed the Key Questions to Ask Your Aluminum Foil Manufacturer Before Ordering in detail. Today, as we committed, BioPin IOT Group answers the key questions regarding aluminum foil products.
1. The Exact Technical Specifications of BioPin IOT Group’s Battery Aluminum Foil
• Thickness options: Mill finish aluminum foil and ultra-clean aluminum foil are ordinary 10-20μm; carbon-coated aluminum foil and safety primer aluminum foil are 8-15μm.
• Temper state: suitable for power batteries, energy storage, or consumer batteries.
• Aluminum purity: strictly above 99.9% for battery-grade requirements.
• Mechanical properties: tensile strength, elongation rate (core indicators for battery rolling and assembly).
• Surface quality: pinhole count per square meter, surface roughness, no oxidation, no oil stains.
• Coating performance (for carbon-coated aluminum foil): single-sided/double-sided coating, coating uniformity, NMP resistance, adhesion strength.
We also provide official TDS (Technical Data Sheet) and third-party test reports for verification.
2. The Quality Control & Testing Standards BioPin IOT Group Follows
• We comply with international industry standards (ISO quality management system, battery material industry specifications).
• We provide batch test reports for every shipment.
• We have full-process testing and machines to inspect product quality to prevent common defects. thickness detection, pinhole inspection, tensile testing, electrochemical performance testing, surface defect scanning.
BioPin IOT Group's battery aluminum foil can achieve 100% full inspection of core indicators.
3.BioPin IOT Group can Support Customization compatible with customer Production Needs
We can provide customized aluminum foil solutions to meet Different battery scenario requirements.
• We can customize width slitting according to your production equipment requirements.
• Customized coating is also available (single-sided carbon coating, double-sided carbon coating, customized coating thickness, Intermittent coating and continuous coating, etc. )
• We can adjust hardness and tensile strength for specific battery formulas.
• We can support small-batch trial orders for new product testing.
4. BioPin IOT Group’s Production Capacity & Lead Time
A stable supply chain is crucial for mass production.
• Our annual production capacity for battery aluminum foil is 30000tons.
• The standard lead time for sample orders and bulk orders is usually about 8-15 days.
• We have abundant production lines, and it is enough to handle urgent orders and peak-season supply pressure.
• Our MOQ (Minimum Order Quantity) for regular and customized products is 5 tons, but if you need a smaller quantity, we can accept depend on both parties' cooperation opportunity appraisal result.
5. BioPin IOT Group’s Export Packaging & Shipping Solution
Battery aluminum foil is highly sensitive to moisture and oxidation. To ensure suitability for Long-distance sea shipping conditions and protect our product from dampness, deformation, and surface damage, we provide the following supports:
• Vacuum packaging, moisture-proof film, wooden box reinforcement.
• We support customized shipping marks and full export documents.
• We can provide reliable shipping solutions for different regions.
6. After-Sales & Technical Support BioPin IOT Group Provides
Core support :
• We provide free sample testing before bulk ordering.
• We have a professional technical team available to match aluminum foil models for customer battery formulas.
• We promise: any quality problems caused by the production side will be handled by our team, and any loss can be compensated depending on the contract regulations.
Any answer is true; don’t hesitate- contact us. We hope both parties will start a new and good cooperation relationship about battery aluminum foil.
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