Aluminum Foil Round Bottom Liner Bag are expertly designed to provide exceptional barrier performance for drums, barrels, and FIBC containers. Featuring a seamless round bottom construction, these liners ensure a snug fit inside cylindrical containers, minimizing waste and enhancing ease of filling and emptying.
关键功能:
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High Barrier Protection: Constructed with multi-layer aluminum foil composites (such as PET/AL/PA/PE), these liners offer outstanding resistance against moisture, oxygen, UV light, and other environmental factors that can degrade sensitive products.
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Heat Resistance: Suitable for hot fill processes with temperature tolerances up to 165°C, making them ideal for pasteurized foods, chemicals, and high-temperature liquids.
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Food Grade & Chemical Compatibility: Manufactured in compliance with FDA and other international food safety standards, ensuring safe packaging for food, pharmaceuticals, 化妆品, and industrial chemicals.
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Durability & Leak Prevention: Robust material and heat-sealable construction prevent leaks and punctures, protecting contents during transportation and storage.
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Customizable Dimensions: Available in multiple sizes from 5 to 1000 liters, with thickness and sealing options tailored to your specific application needs.
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Vacuum Sealable Options: Enhance product shelf life and maintain freshness by vacuum sealing your liners when required.
Typical Applications:
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Food and beverage products (调味料, syrups, 奶制品, juices)
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Pharmaceuticals and cosmetics
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Industrial chemicals and adhesives
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Powder and granular materials
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High-value liquids requiring barrier protection and contamination prevention
Ordering Guide / How to Customize Your Round Bottom Liner Bags
To provide you with accurate suggestions and pricing, we kindly ask for the following information:
1️⃣ Material Preference
We offer several material options depending on your application:
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Clear LDPE (Low-Density Polyethylene)
– Standard or anti-static
– Economical, flexible, and suitable for general use
– Ideal for filling temperatures of 60–80°C -
Clear NY/PE (Nylon/Polyethylene)
– Food-grade, higher puncture resistance
– Suitable for liquids, food processing, and chemicals -
Aluminum Foil (High Barrier Film)
– PET/AL/PA/PE: For normal temperatures
– PA/AL/PA/PP: For high-temperature filling up to 165°C
– Vacuum-sealable; perfect for long shelf life, barrier protection, and pasteurized content
🔧 If unsure, we can help select the right material based on your use case.
2️⃣ Drum Dimensions or Bag Size
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Please provide your drum diameter and height, or
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Your existing liner bag’s outer diameter and height for reference.
This helps us tailor the liner to ensure a snug, wrinkle-free fit inside your barrels or containers.
3️⃣ Filling Temperature
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What is the maximum temperature of the liquid you will fill into the bags?
This is critical for choosing the right material and sealing method.
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≤80°C → LDPE is usually sufficient
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Up to 165°C → Aluminum barrier liner is recommended
❓ Additional FAQ Based on This Information
1. What material should I choose for high-temperature or pasteurized products?
If you are filling hot liquids (up to 165°C) or require vacuum sealing, we recommend our aluminum foil structure: PA/AL/PA/PP, which provides high barrier protection and withstands high heat.
2. Can I use LDPE liners for chemical or food applications?
是的. 我们的 clear LDPE liners are available in both standard and anti-static forms, making them suitable for food ingredients, powders, or general industrial materials at temperatures below 80°C.
3. How do I know what size liner I need?
Just provide your drum’s diameter and height, or the dimensions of your current liner. We will calculate the proper bag size with appropriate expansion and fit margins.
4. Do you offer anti-static drum liner bags?
是的. For applications involving powder filling, electronics, or static-sensitive materials, we provide anti-static LDPE round bottom liners upon request.
