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

Categories Food Packaging Bag
Brand Name: Bright Pack
Model Number: B010
Certification: patent for invention、BRC、GRS
Place of Origin: Guangdong,China
MOQ: 100pcs
Price: ¥0.02-0.11/pcs
Payment Terms: T/T,Western Union
Supply Ability: 200000pcs/day
Delivery Time: 11-13 work days
Packaging Details: Export special carton packaging and plate
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
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3.5 Mil Heavy-Duty Mylar Bags | Puncture-Proof For Lithium Battery & Chemical Packaging

Product Attributes

Attribute CategoryKey FeaturesDescription
Material & StructureMulti-Layer ConstructionPET film + aluminum foil barrier + food-grade PE inner layer for enhanced durability and chemical resistance

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3.5 Mil ThicknessHeavy-duty design (1 mil = 0.001 inch) offering superior puncture resistance and structural integrity

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Protective FeaturesPuncture-Proof BarrierReinforced layers withstand sharp edges (e.g., lithium battery components) and rough handling

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Chemical ResistanceAluminum layer blocks corrosive substances, acids, and solvents

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Sealing & SecurityHeat-Sealable ClosureAirtight sealing prevents leakage and contamination; compatible with industrial sealers

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Tamper-Evident OptionsOptional heat-sensitive ink strips showing "VOID" if breached

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Detailed Specifications

ParameterDetailStandard/Value
Physical PropertiesThickness3.5 mil (0.0889 mm)


SizesCustomizable (e.g., 8"x12" standard; up to 18"x28" for bulk)

Barrier PerformanceOxygen Transmission Rate (OTR)<0.01 cc/m²/day


Moisture Vapor Transmission Rate (MVTR)<0.05 g/m²/day


Light Blocking100% UV opacity

Durability & SafetyPuncture ResistanceWithstands >5 kgf/cm² pressure (tested per ASTM F1306)


Temperature Range-40°C to 120°C (suitable for battery thermal extremes)

Compliance & LogisticsCertificationsRoHS, IEC 62368-1 (battery safety), ISO 8317 (child-resistant optional)


MOQ & Lead TimeMOQ: 5,000 bags; Delivery: 15




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