When it comes to choosing the right type of plastic bag for your business, knowing the difference between LDPE vs. HDPE is essential. Both are commonly used in packaging, but they serve different purposes based on their physical and chemical properties.
1. Material Structure & Appearance
LDPE has a lower density and more branched molecular structure, making it softer, more flexible, and slightly clearer. This makes LDPE bags ideal for packaging that needs to be more pliable and transparent.
HDPE, in contrast, has a more linear structure with higher density, resulting in a stronger, stiffer, and opaquer bag. It is suitable for applications where durability is more important than clarity. 
2. Common Applications
- LDPE Bags:
These are often used for retail shopping bags, food storage bags, freezer bags, and bread bags. Their flexibility and clarity make them perfect for packaging where the product needs to be visible. - HDPE Bags:
These are used for t-shirt bags, garbage liners, grocery bags, and industrial packaging. Their strength allows them to carry heavier loads with less material.
3. Cost and Sustainability
HDPE typically uses less material for the same strength, making it more cost-efficient in high-volume applications. Both LDPE and HDPE are recyclable, but it’s important to consult local recycling guidelines as they are recycled differently (resin codes #4 and #2 respectively).
4. Which One Should You Choose?
- Choose LDPE if you need softness, flexibility, or transparency.
- Choose HDPE if you need strength, stiffness, and cost-effectiveness.
At Hanpak, we manufacture and export both LDPE vs. HDPE plastic bags in custom sizes, thicknesses, and formats. Whether you’re packaging food, industrial goods, or retail items, our team will help you find the right solution for your product and market.
For more information about Hanpak’s plastic bag products, please contact us:
Email: info@hanpak.com.vn
Hotline (Mobile/WhatsApp): +84 898 545 893
Our experienced sales team is ready to assist you. Contact us today to place your order and experience the quality and reliability that Hanpak offers