GUANGDONG XWELL TECHNOLOGY CO., LTD.
| Payment Terms | L/C,D/A,D/P,T/T,Western Union,MoneyGram |
| Supply Ability | 10000pcs/month |
| Delivery Time | 5-8 working days |
| Packaging Details | Carton |
| Model | 18650 |
| Material | Natural highland barley fiber + acrylic adhesive |
| Color | Deep Green (as shown in images) |
| Thickness | 0.08mm–0.3mm |
| Dimensions | Custom roll widths (10mm–100mm) and pre-cut sheet sizes (per cell specs) |
| Temperature Range | -20°C to +200°C (operational) |
| Adhesive Type | Standard acrylic adhesive (high temp) or silicone adhesive (for -60℃ to 200℃ extreme environments) |
| Key Applications | 18650 hollow-cell batteries, EV batteries, power tools |
| Brand Name | XWELL |
| Model Number | 18650 |
| Certification | CE |
| Place of Origin | China |
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Product Specification
| Payment Terms | L/C,D/A,D/P,T/T,Western Union,MoneyGram | Supply Ability | 10000pcs/month |
| Delivery Time | 5-8 working days | Packaging Details | Carton |
| Model | 18650 | Material | Natural highland barley fiber + acrylic adhesive |
| Color | Deep Green (as shown in images) | Thickness | 0.08mm–0.3mm |
| Dimensions | Custom roll widths (10mm–100mm) and pre-cut sheet sizes (per cell specs) | Temperature Range | -20°C to +200°C (operational) |
| Adhesive Type | Standard acrylic adhesive (high temp) or silicone adhesive (for -60℃ to 200℃ extreme environments) | Key Applications | 18650 hollow-cell batteries, EV batteries, power tools |
| Brand Name | XWELL | Model Number | 18650 |
| Certification | CE | Place of Origin | China |
| High Light | Custom Color Highland Barley Paper ，High-Temperature Resistant Battery Insulation Paper ，Adhesive Insulation Highland Barley Paper | ||
In lithium battery pack assembly (especially for cylindrical cells like 18650, 21700, 26650, and 32650), reliable insulation and heat resistance between cells are critical to prevent short circuits and ensure safety. Our Highland Barley Paper with Adhesive solves the limitations of ordinary insulating papers: made from natural highland barley fiber, it combines strong high-temperature resistance, excellent dielectric strength, and easy application via pre-applied adhesive—making it ideal for spacing and insulating cylindrical battery cells in EVs, power tools, energy storage systems, and consumer electronics.
| Advantage | Key Benefit for Battery Pack Manufacturers |
|---|---|
| Multi-Cell Compatibility | Pre-cut sizes (or roll form) for 18650/21700/26650/32650 cylindrical cells—no extra trimming needed, saving assembly time. |
| Extreme High-Temp Resistance | Withstands continuous use at 180℃ (short-term up to 220℃), outperforming standard paper insulators (typically ≤120℃). |
| Strong Adhesive Backing | High-tack acrylic adhesive ensures secure bonding to battery cells; resists peeling even under vibration or temperature cycles. |
| Natural & Eco-Friendly | Made from renewable highland barley fiber—non-toxic, halogen-free, and compliant with environmental standards (RoHS/REACH). |
| Thin Yet Durable | 0.08mm–0.2mm thickness saves space in compact battery packs; tensile strength ≥30MPa to resist tearing during assembly. |
| Specification | For 18650 Cells | For 21700 Cells | For 26650 Cells | For 32650 Cells |
|---|---|---|---|---|
| Compatible Cell Size | 18mm*65mm (diameter*length) | 21mm*70mm | 26mm*65mm | 32mm*65mm |
| Material | Natural highland barley fiber + acrylic adhesive | Natural highland barley fiber + acrylic adhesive | Natural highland barley fiber + acrylic adhesive | Natural highland barley fiber + acrylic adhesive |
| Standard Thickness | 0.1mm / 0.15mm | 0.1mm / 0.15mm | 0.15mm / 0.2mm | 0.15mm / 0.2mm |
| Temperature Resistance | Continuous: 180℃; Short-term: 220℃ | Continuous: 180℃; Short-term: 220℃ | Continuous: 180℃; Short-term: 220℃ | Continuous: 180℃; Short-term: 220℃ |
| Adhesive Performance | Peel strength ≥0.5N/cm (to aluminum); Service temp: -40℃ to 180℃ | Peel strength ≥0.5N/cm (to aluminum); Service temp: -40℃ to 180℃ | Peel strength ≥0.6N/cm (to aluminum); Service temp: -40℃ to 180℃ | Peel strength ≥0.6N/cm (to aluminum); Service temp: -40℃ to 180℃ |
| Electrical Insulation | Dielectric strength ≥10kV/mm; Volume resistivity ≥10¹⁴Ω·cm | Dielectric strength ≥10kV/mm; Volume resistivity ≥10¹⁴Ω·cm | Dielectric strength ≥12kV/mm; Volume resistivity ≥10¹⁴Ω·cm | Dielectric strength ≥12kV/mm; Volume resistivity ≥10¹⁴Ω·cm |
| Standard Form | Roll (50m/roll, width 20mm) or pre-cut sheets (20mm*70mm) | Roll (50m/roll, width 24mm) or pre-cut sheets (24mm*75mm) | Roll (50m/roll, width 28mm) or pre-cut sheets (28mm*70mm) | Roll (50m/roll, width 34mm) or pre-cut sheets (34mm*70mm) |
Our Highland Barley Paper with Adhesive is designed to solve insulation challenges in cylindrical battery pack assembly across industries:
We offer flexible customization to match your specific battery pack design and production needs:
| Customization Item | Available Options |
|---|---|
| Dimensions | Custom roll widths (10mm–100mm) and pre-cut sheet sizes (per cell specs) |
| Thickness | 0.08mm–0.3mm (adjustable for insulation/spacing requirements) |
| Adhesive Type | Standard acrylic adhesive (high temp) or silicone adhesive (for -60℃ to 200℃ extreme environments) |
| Packaging | Standard: 50m/roll in moisture-proof bags + cartons; Custom: Small rolls (10m/roll) for sample testing |
Need help confirming the right thickness or size for your 18650/21700/26650/32650 battery pack? Send us your cell layout—our team will recommend the optimal solution. Contact us today for a quote!
Company Details
Business Type:
Manufacturer,Exporter,Trading Company,Seller
Year Established:
2016
Total Annual:
3000000-5000000
Employee Number:
50~100
Ecer Certification：
Verified Supplier
GUANGDONG XWELL TECHNOLOGY CO., LTD. is a high-tech enterprise specializing in intelligent equipment design, production and sales, providing mechanical engineering technology design and consulting services, electronic engineering design and consulting services. XWELL's core team was established in 2... GUANGDONG XWELL TECHNOLOGY CO., LTD. is a high-tech enterprise specializing in intelligent equipment design, production and sales, providing mechanical engineering technology design and consulting services, electronic engineering design and consulting services. XWELL's core team was established in 2...
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