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3.5 Mil Heavy-Duty Mylar Bags | Puncture-Proof For Lithium Battery & Chemical Packaging

3.5 Mil Heavy-Duty Mylar Bags | Puncture-Proof For Lithium Battery & Chemical Packaging

Brand Name: Bright Pack
Model Number: B010
MOQ: 100pcs
Price: ¥0.02-0.11/pcs
Packaging Details: Export special carton packaging and plate
Payment Terms: T/T,Western Union
Detail Information
Place of Origin:
Guangdong,China
Certification:
patent for invention、BRC、GRS
Sealing Method:
Zipper, Zipper Lock, Or Heat Seal
Pattern Customization:
Support
Advantage:
Eco-friendly
Heat Seal:
Yes
Colors:
Customized Colors
Printing Method:
Digital Or Gavure
Pattern Artwork:
Custom
Shape:
Customizable
Artwork:
AI,PDF, PSD Etc
Keyword:
Food Packaging Bag
Bpa Free:
Yes
Print:
Good
Closure Type:
Self-Standing Zipper
Property:
Waterproof
Smell Proof:
Yes
Supply Ability:
200000pcs/day
Highlight:

heavy-duty mylar bags for lithium batteries

,

puncture-proof mylar chemical packaging bags

,

3.5 mil thick mylar storage bags

Product Description
3.5 Mil Heavy-Duty Mylar Bags | Puncture-Proof For Lithium Battery & Chemical Packaging
Key Product Attributes
Sealing Method Zipper, Zipper Lock, or Heat Seal
Pattern Customization Support
Advantage Eco-friendly
Heat Seal Yes
Colors Customized colors
Printing Method Digital or Gravure
Pattern Artwork Custom
Shape Customizable
Artwork AI, PDF, PSD etc
BPA Free Yes
Closure Type Self-Standing Zipper
Property Waterproof
Smell Proof Yes
Product Features
Material & Structure

Multi-layer construction with PET film + aluminum foil barrier + food-grade PE inner layer for enhanced durability and chemical resistance.

3.5 Mil Thickness

Heavy-duty design (1 mil = 0.001 inch) offering superior puncture resistance and structural integrity.

Protective Features

Reinforced layers withstand sharp edges (e.g., lithium battery components) and rough handling.

Chemical Resistance

Aluminum layer blocks corrosive substances, acids, and solvents.

Sealing & Security

Airtight heat-sealable closure prevents leakage and contamination; compatible with industrial sealers.

Tamper-Evident Options

Optional heat-sensitive ink strips showing "VOID" if breached for added security.

Technical Specifications
Physical Properties
  • Thickness: 3.5 mil (0.0889 mm)
  • Sizes: Customizable (e.g., 8"x12" standard; up to 18"x28" for bulk)
Barrier Performance
  • Oxygen Transmission Rate (OTR): <0.01 cc/m²/day
  • Moisture Vapor Transmission Rate (MVTR): <0.05 g/m²/day
  • Light Blocking: 100% UV opacity
Durability & Safety
  • Puncture Resistance: Withstands >5 kgf/cm² pressure (tested per ASTM F1306)
  • Temperature Range: -40°C to 120°C (suitable for battery thermal extremes)
Compliance & Logistics
  • Certifications: RoHS, IEC 62368-1 (battery safety), ISO 8317 (child-resistant optional)
  • MOQ & Lead Time: MOQ: 5,000 bags; Delivery: 15 days
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