Moisture Proof Bag
Your Professional Moisture Proof Bag Supplier
Dongguan Weiyi Electronic Technology Co., Ltd.is a specialized enterprise engaged in the production and sales of humidity indicator cards, desiccants, and moisture-proof & anti-static packaging solutions. Our products are widely used in electronic components, PCBs, automotive, food, pharmaceuticals, optical & optoelectronic products, aerospace, chemical industries, and more.
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![ESD Shielding Bag]()
ESD Shielding BagThis four-layer composite pure aluminum foil bag features excellent vacuum retention, high toughness, anti-static performance, waterproof and moisture-proof properties. It is widely used for...read more -
![Anti-static Shielding Bag]()
Anti-static Shielding BagIt provides reliable anti-static, electrostatic discharge (ESD) protection, prevents static damage during production, storage, transportation and export, and effectively blocks external static...read more
Why Choose Us
Our Certificate
We ISO9001 and SGS certified products compliant with RoHS and REACH international environmental standards.
Custom Solutions Available
Providing over 200 humidity indicator card designs with professional customization services based on customer requirements.
Extensive Industry Experience
Over 18 years of expertise in humidity indicator cards and desiccant manufacturing, specializing in moisture-proof and anti-static packaging solutions.
Strong Manufacturing Capacity
10000㎡ modern production facility with a daily output of 1 million humidity indicator cards for stable and fast delivery.
Advantages of Moisture Proof Bag
Features & Properties
Barrier bags possess several key features that make their protection effective against moisture vapor, oxygen and more.
Moisture Barrier Properties
The primary feature of these heat seal bags is their ability to create a reliable barrier against moisture vapor and atmospheric gasses. The combination of the multiple laminated layers, including the layer of aluminum, prevents moisture vapor from entering, thus maintaining a dry environment for the enclosed items.
Strength & Durability
These bags are resistant to punctures and tears, meaning they provide reliable protection during shipment and storage. They withstand various environmental conditions and maintain their barrier properties over time.
The Use Of Desiccant
MBBs are also designed to accommodate the use of desiccants. Desiccants absorb moisture from their surrounding environment, helping to maintain low humidity levels within the protective packaging.
Specification
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Material |
Multi-layer anti-static shielding film |
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Surface Resistance |
10^8 – 10^11 Ω (standard ESD level) |
|
Color |
Transparent / Silver-gray anti-static shielding |
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Type |
Open top / Self-sealing zipper / Heat-seal |
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Thickness |
Standard industrial grade (customizable) |
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Size |
Custom width & length available |
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Application |
Industrial ESD packaging for electronics |
Foil Moisture Barrier Bags: These are one of the most popular types of moisture barrier bags. They are made of Mylar, which protects contents from oxygen and moisture damage. They can have a resealable zipper, are lightweight, and protect the contents from light, moisture, and air damage. Due to its high-quality construction, this protective packaging solution resists punctures and rips.
Kraft Foil Moisture Barrier Bags: They have a stronger structure and a layer of Kraft paper and foil to preserve their contents. These bags will also protect the contents from moisture, vapour, and light. They are greaseproof, so they are an excellent choice for businesses that want to use them in an environment prone to grease damage.
Static Shield Moisture Barrier Bags: Protect against electrostatic discharges and moisture. It may be the best option for a variety of items.
Smooth Texture
Many moisture proof bags have a smooth texture. This smoothness is often a result of using materials like polyethylene (PE) or polypropylene (PP). These polymers are extruded to form a thin, continuous film that has a glossy and smooth surface.
Matte Texture
Some moisture proof bags have a matte texture. This is achieved by adding certain additives or by using a different manufacturing process. Matte – textured bags have a more subdued appearance compared to smooth ones.
Embossed Texture
Embossed moisture proof bags have a raised pattern on their surface. This pattern can serve both functional and aesthetic purposes. Functionally, the embossed texture can increase the strength and durability of the bag.
Different Applications of Moisture Proof Bag
Food Industry
In the food industry, smooth – textured moisture proof bags are commonly used. The smooth surface is easy to clean and sanitize, which is crucial for maintaining food safety. Additionally, the ability to print clear labels on the smooth surface helps with product information and branding.
Pharmaceutical Industry
Pharmaceutical products require high – level protection from moisture. Smooth – textured bags are often preferred in this industry as well, as they can provide a reliable moisture barrier.
Industrial Applications
In industrial settings, where products are often heavy or sharp, embossed or matte – textured moisture proof bags are more common. The added strength and grip provided by these textures are essential for protecting the contents and ensuring safe handling.
As one of the most experienced moisture proof bag manufacturers and suppliers in China, we have world-leading production equipment and strong manufacturing capabilities. Please feel free to wholesale high quality moisture proof bag made in China here from our factory. Customized orders are welcome.
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