Custom Color Highland Barley Paper with Adhesive Backing – 180℃ High-Temp Resistance and 0.08mm–0.3mm Thickness for Battery Insulation

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
MOQ: 100pcs
Leading time: 5-8 working days

Custom Color Highland Barley Paper with Adhesive – High-Temp Resistant for 18650/21700/26650/32650 Batteries

When assembling cylindrical lithium battery packs (18650, 21700, 26650, 32650), reliable insulation, heat resistance, and easy assembly are essential. Our Custom Color Highland Barley Paper combines extreme high-temperature resistance, strong pre-applied adhesive, and customizable colors for visual differentiation. Made from natural highland barley fiber, this solution streamlines assembly, enhances safety, and meets brand or module identification needs.

Core Advantages

Advantage Key Benefit for Battery Pack Manufacturers
Customizable Colors Available in red, blue, green, black, white, or brand colors—enables visual sorting and reduces assembly errors
180℃ High-Temp Resistance Withstands continuous use at 180℃ (short-term up to 220℃), outperforming standard PET or kraft paper
Strong Adhesive Backing High-tack acrylic adhesive bonds firmly to battery casings; resists peeling under vibration or temperature cycles
Natural & Eco-Friendly Made from renewable highland barley fiber—halogen-free, non-toxic, and RoHS/REACH compliant
Thin & Space-Saving 0.08mm–0.2mm thickness saves critical space in compact battery packs without compromising insulation
Technical Specifications
Specification For 18650 Cells For 21700 Cells For 26650 Cells For 32650 Cells
Compatible Cell Size 18mm (diameter) * 65mm (length) 21mm * 70mm 26mm * 65mm 32mm * 65mm
Material Natural highland barley fiber + acrylic adhesive
Color Options Custom (red/blue/green/black/white) or standard natural
Temperature Resistance Continuous: 180℃; Short-term: 220℃
Adhesive Performance Peel strength ≥0.5N/cm (to aluminum) Peel strength ≥0.5N/cm (to aluminum) Peel strength ≥0.6N/cm (to aluminum) Peel strength ≥0.6N/cm (to aluminum)
Electrical Insulation Dielectric strength ≥10kV/mm Dielectric strength ≥10kV/mm Dielectric strength ≥12kV/mm Dielectric strength ≥12kV/mm
Standard Thickness 0.1mm / 0.15mm 0.1mm / 0.15mm 0.15mm / 0.2mm 0.15mm / 0.2mm
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)

Application Scenarios

  • Consumer Electronics: 18650 battery packs for power banks, laptops, and flashlights—thin design fits compact enclosures
  • Power Tools: 21700/26650 packs for cordless drills and grinders—high-temp resistance handles heavy-duty discharge heat
  • Electric Mobility: 26650/32650 packs for e-scooters and electric bikes—color-coding simplifies module maintenance
  • Energy Storage: 32650 packs for solar storage—eco-friendly material aligns with green energy goals

Customization & Order Details

Customization Item Available Options
Color Any Pantone color (minimum order: 5 rolls)
Dimensions Roll width: 10mm–100mm; Pre-cut sheet size: Per your cell specs (±0.1mm precision)
Thickness 0.08mm–0.3mm (adjustable for insulation/spacing requirements)
Adhesive Type Standard acrylic or silicone adhesive (for extreme environments)
Packaging Standard: Moisture-proof bags + cartons (50m/roll); Custom: Small test rolls or branded packaging

Quality Assurance & Support

  • Certifications: RoHS, REACH, and UL 94 V-0 (flame retardant)
  • Testing: Each batch undergoes heat resistance, adhesive peel strength, and insulation performance tests
  • MOQ & Lead Time: Standard colors: MOQ 5 rolls (ships in 2–3 days); Custom colors: MOQ 5 rolls (ships in 5–7 days)
  • After-Sales: Free color samples and test rolls; 6-month warranty for quality issues
Need help matching the right thickness or color to your battery pack? Contact us today for a detailed quote!