25KG Aluminium Foil Liner Bags | W/ One Way Degassing Valve Fitted | Various Quantities
25KG Aluminium Foil Liner Bags | W/ One Way Degassing Valve Fitted | Various Quantities
6298 in stock
Couldn't load pickup availability
- International Delivery
- Bulk Buying Discounts
- Best-in-Class Products
AL55HS 25KG Aluminium Foil Bags: Reliable Packaging for Demanding Applications
The VAL55HS 25KG Aluminium Foil Bags are designed to provide top-tier protection for products across industries like aerospace, automotive, electronics, and medical equipment. These bags combine durability, advanced barrier properties, and ease of use, making them a trusted choice for safeguarding sensitive materials.
Material Composition and Structure
These bags are made with a sophisticated multi-layer structure (PET12/AL8/OPA15/PE130) that ensures maximum protection against external factors like moisture, oxygen, and light. Each layer serves a specific purpose:
- PET12 (Polyester Film): A 12-micron outer layer that offers strength, clarity, and serves as a great surface for printing.
- AL8 (Aluminium Foil): An 8-micron layer that acts as the primary barrier, keeping out light, oxygen, and moisture to preserve product quality and extend shelf life.
- OPA15 (Oriented Polyamide): A 15-micron layer that enhances the bag’s strength and resistance to punctures, ensuring durability during handling and transport.
- PE130 (Polyethylene): A thick 130-micron inner layer that provides excellent heat-sealing properties and additional moisture protection.
This multi-layer design results in a total thickness of 0.175 mm (±10%), striking the perfect balance between protection and material efficiency.
Dimensions and Capacity
The VAL55HS foil gusset bags are built to hold up to 25KG of material, with precise dimensions to ensure consistency and efficient storage:
- Length: 880 mm (Tolerance: <400 ±3 mm, ≥400 ±5 mm)
- Width: 395 mm (Tolerance: ±2 mm)
- Gusset Width:110 mm (Tolerance: ±10%)
These dimensions make the bags suitable for a wide range of packaging needs while optimising storage space.
Performance and Physical Properties
The VAL55HS bags are engineered for reliability, offering impressive physical properties:
- Release Strength: ≥2.5 N/15mm, allowing for easy opening without compromising the contents.
- Heat Seal Strength: ≥40 N/15mm, ensuring a secure seal that prevents leaks or contamination during transport and storage.
- Pressure Resistance: Designed to withstand pressure changes without rupturing, making them ideal for air freight or other demanding conditions.
- Drop Performance:The bags maintain their integrity even when subjected to drops, ensuring the contents remain safe under tough handling conditions.
Key Features and Benefits
These aluminium foil bags offer a range of advantages that make them stand out in the packaging industry:
- Exceptional Protection: The multi-layer structure provides a superior barrier against moisture, oxygen, and light, keeping contents fresh and safe.
- Lightweight Yet Strong: Despite their robust construction, the bags are lightweight, reducing shipping costs and making them ideal for industries like aerospace and automotive.
- Secure Heat Sealing: The PE layer ensures a strong, airtight seal, preventing contamination and maintaining product quality.
- Durable Design: The bags resist punctures and perforations, even at sharp corners, ensuring the safety of the contents.
- Sustainability: Their efficient material use and lightweight design contribute to a lower carbon footprint.
- Premium Appearance: The sleek design and high-quality materials give the bags a professional, high-end look.
Applications
The versatility of the VAL55HS 25KG Aluminium Foil Bags makes them suitable for a wide range of uses:
- Sea Shipping: Their moisture-resistant properties make them ideal for long-distance transport over water.
- Industrial Packaging Bags: Perfect for protecting heavy-duty materials and components as well as powder and granulated contents.
- Long-Term Storage: The excellent barrier properties ensure products remain safe and intact over extended periods.
- Aerospace and Automotive: Lightweight yet durable, these bags are ideal for transporting sensitive precision components.
- Electronics: Protects delicate electronic parts from moisture and static.
- Medical Equipment: These bags are not sterilised or irradiated as standard but depending on the application they can be suitable when used as secondary layer medical device packaging. Check with representative.
In summary, the VAL55HS 25KG Aluminium Foil Bags are a cutting-edge packaging solution that combines advanced material technology with practical design. Their durability, superior barrier properties, and versatility make them an excellent choice for businesses looking for reliable, high-performance packaging across various industries.
Product Specifications (.PDF)
Frequently Asked Questions
• What exactly are these 25kg aluminium foil liner bags, and what makes them special for packaging?
These 25kg aluminium foil liner bags are essentially robust, multi-layered sacks designed to offer exceptional protection for sensitive goods. What makes them stand out is their sophisticated construction, which typically involves layers like PET, aluminium foil, OPA (polyamide), and PE, working together to create a superior barrier against external elements.
• What materials are used to construct these high-performance 25kg foil liner bags?
These bags are meticulously crafted using a multi-layer composition, often consisting of PET (Polyester) for strength and outer protection, an 8-micron layer of pure aluminium foil for the primary barrier, OPA (Oriented Polyamide) for enhanced puncture resistance, and a thick PE (Polyethylene) inner layer that enables strong heat sealing.
• How do these 25kg aluminium foil bags provide such a strong barrier against moisture and oxygen?
The magic truly lies in the aluminium foil layer, which is an exceptional barrier. This 8-micron layer of aluminium foil within the bag’s multi-layered structure is incredibly effective at blocking out moisture, oxygen, and even light, which are common culprits for product degradation, thus preserving the contents beautifully.
• Can these 25kg aluminium foil liner bags really stand up to tough handling during shipping and storage?
Absolutely. Thanks to the integrated OPA (Oriented Polyamide) layer, these bags boast superior tear and puncture resistance. This enhanced durability ensures that your valuable contents remain safe and secure, even when subjected to the rigors of transport and long-term storage, minimizing concerns about accidental damage.
• Are these 25kg aluminium foil liner bags suitable for international shipping, especially by sea or air?
Yes, they certainly are. The excellent moisture-resistant properties make them perfect for long-distance transport over water (sea shipping), and their design, including pressure resistance, means they can withstand changes in pressure, making them suitable for air freight or other demanding logistical conditions.
Relevant products you may want to consider:
• What kind of products are best suited for packaging in these 25kg aluminium foil liner bags?
These bags are incredibly versatile and are ideally suited for dried formulations such as powders, granules, and flakes. They're specifically designed to protect moisture-sensitive products, offering a reliable solution for materials that need to be kept dry and stable.
• Do these 25kg bags come with a degassing valve, and if so, what's its purpose?
Yes, a key feature of these 25kg sacks is the inclusion of a one-way degassing valve. This clever addition allows any trapped residual air or gas build-up to escape from inside the bag, which is particularly beneficial for products that might off-gas, and it also contributes to better pallet stability during shipment and storage.
• What are the typical dimensions of these 25kg aluminium foil liner bags?
These particular 25kg VAL55HS foil gusset bags are designed to hold 25kg of material with specific dimensions to optimize storage and consistency. They typically measure around 880 mm in length, 395 mm in width, and have a gusset width of 110 mm.
• Are these 25kg aluminium foil liner bags considered lightweight, and how does that benefit me?
Despite their robust construction and impressive barrier properties, these bags are indeed lightweight. This is a significant advantage as it helps to reduce overall shipping costs, making them an economically smart choice, especially for industries where transport weight is a critical factor.
• Do these bags have any anti-static properties, making them safe for sensitive electronics?
While the primary product description doesn't explicitly state anti-static properties as standard, barrier foil bags, in general, can be suitable for anti-static applications. For sensitive electronics, it's always best to confirm with a representative if specific anti-static versions or additional measures are required to ensure complete protection.
Relevant products you may want to consider:
Application and Usage: Where Do These Bags Shine?
• How can these 25kg aluminium foil liner bags extend the shelf life of my products?
The exceptional barrier properties of these bags, primarily due to the aluminium foil layer, effectively block out oxygen, moisture, and UV light. By creating a controlled internal environment, they significantly slow down the degradation processes that lead to spoilage, ultimately extending the shelf life of your valuable contents.
• Are these 25kg bags appropriate for packaging fine powders, like pharmaceutical ingredients or chemical compounds?
Absolutely! The design, particularly with the superior tear and puncture resistance, makes them an excellent solution for protecting fine, dried formulations such as powders, including sensitive pharmaceutical ingredients and various chemical compounds, ensuring their integrity from production to end-use.
• Can I use these 25kg aluminium foil liner bags for food ingredients, ensuring they stay fresh and uncontaminated?
Yes, these bags are often used for food-grade applications, and the multi-layer barrier foil construction is ideal for preserving the freshness and quality of food ingredients by preventing moisture ingress, oxygen exposure, and odour transfer, keeping them safe and ready for use.
• How do these bags contribute to protecting expensive or sensitive industrial components?
By providing a robust barrier against moisture, oxygen, and potential contaminants, these bags are highly effective for protecting sensitive industrial components. Their durability also guards against physical damage, which is crucial for maintaining the integrity of precision parts during transit and storage.
• What kind of agricultural products could benefit from being stored in these 25kg foil liner bags?
Agricultural products, especially dried seeds, specialty grains, or powdered supplements, could greatly benefit from these bags. The protective barrier ensures these products remain dry and free from environmental degradation, preserving their viability and quality for longer periods.
Relevant products you may want to consider:
• Could these bags be used for products that need to be protected from strong external odours or prevent internal odours from escaping?
Yes, indeed. The sophisticated barrier foil construction of these bags is highly effective at preventing both the ingress of external odours that could contaminate the contents and the emission of internal odours, which is crucial for maintaining product integrity and preventing cross-contamination in shared storage spaces.
• Are these 25kg bags suitable for packaging products that are sensitive to light, such as certain chemicals or food items?
Definitely. The inherent opacity of the aluminium foil layer provides an excellent barrier against UV light. This is particularly important for products sensitive to light degradation, like certain chemicals, essential oils, or food items, helping to maintain their potency and quality.
• How do these bags help in maintaining a consistent internal environment for hygroscopic products?
For hygroscopic products (those that readily absorb moisture from the air), these bags are a game-changer. The high-barrier properties, especially the aluminium foil layer, meticulously prevent moisture ingress, thus maintaining a consistently dry environment inside the bag and protecting the product from caking or degradation.
How-To's and Best Practices: Getting the Most Out of Your Bags
• What's the best way to seal these 25kg aluminium foil liner bags for optimal protection?
For achieving an effective and hermetic seal on these heat-sealable bags, the best method is to use a constant heat portable sealing unit. These units typically have a ribbed jaw surface that creates a strong, identifiable seal, ensuring your products are completely enclosed and protected.
• Is there a specific type of heat sealer recommended for these 25kg bags?
Yes, a constant heat portable sealing unit with accurate temperature control and a ribbed jaw surface is highly recommended. These sealers are designed to create a secure, airtight seal on the multi-layered barrier foil material, ensuring maximum protection for your contents.
Relevant products you may want to consider:
• How do I properly prepare the bag for sealing after filling it with product?
Before sealing, it's crucial to ensure the sealing area is clean and free of any product residue, as this can compromise the integrity of the seal. You should also leave a sufficient amount of clear space at the top of the bag for the heat sealer jaws to create a strong, consistent seal.
• Can these 25kg bags be vacuum sealed, and if so, what are the considerations?
While primarily designed for heat sealing, it is possible to vacuum seal them, especially if you use a chamber vacuum sealer. The key considerations are ensuring the bag material is suitable for vacuum applications and that the sealing wire on your vacuum sealer is wide enough to create a strong, reliable seal on the thick barrier material.
• Once sealed, how can I check if the seal on my 25kg aluminium foil bag is secure?
After sealing, you should visually inspect the sealed area for any wrinkles or gaps. A good, strong seal will be uniform and consistent. You can also gently try to pull the sealed edges apart; if the seal holds firm and doesn't show any signs of tearing, it's likely secure.
Relevant products you may want to consider:
• What are some general best practices for storing these 25kg aluminium foil liner bags before use?
To maintain their optimal performance, it's best to store these bags in a dry environment with controlled temperature and humidity, ideally below 40°C and 75% relative humidity. Keeping them away from direct sunlight and avoiding excessive bending or pressure will also help preserve their integrity.
• How can I prevent mold or degradation of the bags themselves during storage?
To prevent mold or degradation, ensure the storage area is well-ventilated and dry. High humidity can contribute to mold growth on any surface, so maintaining a low humidity environment, possibly with desiccants, is crucial for keeping the bags in pristine condition before they're filled.
• Is it necessary to use a desiccant with these bags, or are they sufficient on their own for moisture protection?
While the bags provide exceptional moisture protection due to the aluminium foil barrier, for highly sensitive or hygroscopic products, or for very long-term storage, adding a calculated amount of desiccant can further enhance moisture control, ensuring relative humidity inside the bag remains well below 40%, which is ideal for preventing corrosion.
• Can these 25kg aluminium foil liner bags be reused, or are they a single-use packaging solution?
Typically, once heat-sealed, these bags are considered a single-use packaging solution to ensure the highest level of barrier integrity and product protection. While some foil bags with features like zip-lock closures might be designed for reuse, the 25kg liner bags are generally designed for one-time hermetic sealing.
• How does the presence of the one-way degassing valve impact the filling process of the bag?
The one-way degassing valve doesn't significantly complicate the filling process. In fact, for certain products that might release gases, it simplifies things by preventing pressure build-up within the bag after sealing, which could otherwise lead to bag deformation or even rupture.
Relevant products you may want to consider:
• What are the environmental considerations when using these aluminium foil liner bags?
While aluminium is a recyclable material, the multi-layered construction of these specific barrier foil bags can sometimes make recycling more complex than single-material packaging. However, their superior protective qualities mean reduced product waste and spoilage, contributing to a more sustainable supply chain by extending product shelf life and minimizing the need for re-drying.
• Is there any after-sales support or technical guidance available for using these 25kg bags and the recommended sealing equipment?
Yes, Valdamark Direct typically offers excellent after-sales support. This includes assistance with the bags themselves and often extends to technical guidance for their recommended sealing units, ensuring you can achieve optimal results and have any operational questions answered.
