Custom Round-Bottom Liner Bags for Industrial Use
If you’re looking for a clean, reliable way to line your drums or pails, our aluminum foil round-bottom liner bags are a great solution. These liners help protect your product, reduce contamination, and simplify cleanup. Many customers in the food, chemical, pharmaceutical, 和 adhesive industries choose our liners for their performance and convenience.
✔ Fixed Bottom Diameters – Flexible Height & 厚度
To make things easier, we offer a range of fixed bottom diameters, while allowing full customization in bag height, thickness, 和 material structure. This means you get a liner that fits your drum perfectly and meets your exact requirements.
Here’s a quick look at the available sizes:
| 体积 (l) | Bottom Diameter (毫米) | Bag Height (毫米) | Bag Width (毫米) | Height Range (毫米) |
|---|---|---|---|---|
| 0.5 | 65 | 180 | 125 | ≤600 |
| 2 | 112 | 350 | 200 | ≤600 |
| 2.5 | 120 / 125 | 350 | 210–218 | ≤600 |
| 5 | 175 | 350 | 300 | ≤600 |
| 20 | 270–325 | 700 | 450–535 | ≤900 |
| 25 | 310 | 700 | 510 | ≤900 |
| 30 | 350 | 700 | 575 | ≤900 |
| 100 | 480 | 1300 | 778 | ≤1600 |
| 200 | 580–600 | 1350 | 940–980 | ≤1600 |
👉 Note: Bottom diameter is fixed. Please contact us for custom height or thickness.
Choose the Right Material for Your Product
Because different products require different packaging performance, we offer a variety of material combinations. You can choose based on whether your product needs to withstand high temperatures, block oxygen and moisture, or resist chemicals.
🔥 1. High-Temperature-Resistant Films
These are ideal if your product goes through 热填充, pasteurization, or retort processes.
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PA + AL + PA + PP
强的, multi-layer film with high puncture and heat resistance.
Perfect for 调味料, soups, chemical pastes, or liquid seasonings. -
PET / AL / PA / PP
This structure combines strength and sealing with excellent outer clarity.
Great for semi-liquid or liquid products that need heat resistance.
🧊 2. Standard Barrier Films
Use these for dry powders, non-heated liquids, or products sensitive to air or moisture.
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PET / AL / PE
A lightweight, cost-effective structure with strong barrier and chemical resistance.
Commonly used for additives, industrial powders, or biotech ingredients.
✔ Where You Can Use These Bags
Because of their flexible sizing and strong materials, our round-bottom liner bags fit many different use cases. Here are a few examples:
Here are some typical uses:
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🥫 Food and Beverage: Syrups, 调味料, dairy concentrates
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🧪 Chemicals: Resins, inks, industrial liquids
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💊 Pharma & Biotech: Powders, bio-liquids, actives
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🌿 Agriculture: Extracts, nutrient solutions
Whether you require superior protection for sensitive liquids or safe containment for powders and solids, our aluminum foil round bottom liner bags deliver reliable performance and peace of mind. Contact us today to discuss your custom packaging needs or request a sample.
