Multisorb MiniPax® Sorbent Packets. Pre Cut Silica Gel Packet Sizes
Multisorb MiniPax® Sorbent Packets. Pre Cut Silica Gel Packet Sizes
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MiniPax® Sorbent for compact, high performance desiccant silica gel packets for protecting sensitive foods and medical devices.
Available in a range of sizes they come complete with a Type III Drug Master File and only use FDA 21 CFR compliant materials.

MiniPax Sorbent are compact, individual desiccant packets ideal for hand insertion type projects.
MiniPax sorbent packets are designed to take up as little space as possible whilst retaining a high moisture absorption capacity. They are a durable product that is non-dusting and comes in a variety of formulas and sizes to meet a clients exact requirements. They can be incorporated in a wide range of packaging applications in particular manual, hand packaging operations.
Efficient MiniPax Sorbent Design
MiniPax are constructed using a robust uncoated Tyvek®. This fiberous, durable materia is world renowned for it’s strength properties. Multisorb Minipax feature a high tear and puncture resistance in every direction. As they are virtually puncture proof the risk of leakage and contamination is considerably reduced.
MiniPax silica gel remain unaffected by water and moisture contamination as the profile remains as strong wet as it does when dry. Rot and mildew are non-issues with MiniPax.
A high water vapour transmission rate is an essential feature of MiniPax moisture absorbing packets. Tyvek is a porous material that allows for a high MVTR rate, the porosity of the material is also closely monitored during manufacture allowing us to ensure consistent, optimal quality. This practice eliminates any variables in the handling time for individual MiniPax.
MiniPax® Absorbent Packets
MiniPax essentially allow moisture in but prevent the sorbent material inside the packet from leaking out. The Tyvek breathable membrane material is dense and wound tight forming a tight barrier to particulate the matter and prevent dusting.
In addition they feature an abrasion resistant coating which does not form lint.
The packets themselves are also chemically inert and can be safely used in food and healthcare applications. For projects involving foodstuffs consider an oxygen absorber using Multisorb FreshPax instead.
MiniPax silica gel are supported by a Type III Drug Master File as well as only use FDA 21 CFR compliant materials making the packets suitable for use in regulated product packaging.
MiniPax Sorbent Uses
- Pharmaceuticals.
- Food packaging.
- Medical devices.
- Precision parts.
- Diagnostics equipment.
- Electronics.
Advantages
- Superior performance through increased capacity.
- High strength construction, medical grade Tyvek®.
- High water vapour transmission rate and optimal porosity.
- Design does not dust or lint.
- Complete with a Type III Drug Master File.
- Uses only FDA 21 CFR compliant materials.
A versatile product to meet a variety of needs
MiniPax sorbent packets are available in both indicating and non-indicating versions. The indicating version allows for visual inspection through a integrated transparent inspection window strip which shows clearly when capacity has been exhausted and desiccant should be changed.
Blue indicating minipax are not designed for use with food or pharmaceutical products.
It is possible to have MiniPax made with a choice of formulas and desiccant blends. Where moisture and odor are both concerns the desiccant compounds can be adapted to suit.
MiniPax are available in sizes ranging from 0.25grm to larger 28grm capacities.
Alternatively take a look at other products in the range including StriPax Sorbent and NatraSorb Desiccant Silica Gel for focussed protection.
Available stock sizes:
- 0.25grm 16 x 21mm (3000 pcs carton).
- 0.50grm 16 x 27mm (2000 pcs carton).
- 1.00grm 19 x 36mm (1000 pcs carton).
- 1.00grm 19 x 36mm Blue/Pink Indicating (1000 pcs carton).
- 2.00grm 22 x 45mm (600 pcs carton).
- 2.00grm 22 x 45mm Blue/Pink Indicating (600 pcs carton).
- 3.5grm 25 x 49mm (400 pcs carton).
- 14grm 79 x 38mm (120 pcs carton).
Product Specifications (.PDF)
Frequently Asked Questions
• What exactly is Multisorb MiniPax Sorbent and what is its primary purpose?
Multisorb MiniPax Sorbent refers to a range of compact, high-performance desiccant packets primarily designed to absorb moisture and sometimes other undesirable elements like oxygen or odors within sealed packaging. Their main purpose is to protect sensitive goods, such as pharmaceuticals, medical devices, and electronics, from degradation caused by humidity or environmental factors, thereby extending their shelf life.
• How do Multisorb MiniPax packets effectively protect sensitive products from moisture damage?
These clever little packets work by containing a sorbent material, most commonly silica gel, which has a remarkable capacity to absorb water vapor from the surrounding air. By creating a drier micro-environment within the sealed packaging, Multisorb MiniPax prevents issues like mold growth, corrosion, caking, and the loss of potency in moisture-sensitive products.
• What material are Multisorb MiniPax sorbent packets made from, and why is it chosen?
Multisorb MiniPax packets are constructed using a robust, uncoated Tyvek® material. This spunbonded high-density polyethylene (HDPE) fiber material is chosen for its exceptional strength, tear resistance, and puncture resistance, which virtually eliminates the risk of leakage and product contamination, even in demanding applications.
• Are Multisorb MiniPax sorbent packets safe to use with food and pharmaceutical products?
Yes, absolutely! Multisorb MiniPax are designed with stringent safety and regulatory compliance in mind. They are made using chemically inert, medical-grade Tyvek® and are supported by a Type III Drug Master File. Furthermore, they utilize only FDA 21 CFR compliant materials, making them entirely suitable and safe for use in regulated product packaging, including food and pharmaceuticals.
• What are the key benefits of using Multisorb MiniPax over other desiccant solutions?
The core advantages of Multisorb MiniPax include their compact size, high moisture absorption capacity, superior strength due to the Tyvek® construction, non-dusting and non-linting design, and their compliance with strict regulatory standards. These features ensure reliable product protection, minimise package space, and reduce the risk of contamination.
Relevant products you may want to consider:
• For which types of products is Multisorb MiniPax Sorbent particularly well-suited?
Multisorb MiniPax Sorbent is incredibly versatile and excels in protecting a wide array of sensitive products. This includes pharmaceuticals, in-vitro diagnostics, medical devices, precision parts, electronics, and even certain food packaging applications where moisture control is critical for product integrity and extended shelf life.
• Can Multisorb MiniPax be effectively used in manual or hand packaging operations?
Yes, they are specifically designed for this! Multisorb MiniPax are compact, individual desiccant packets that are perfectly suited for manual, hand packaging operations, making them a convenient and efficient solution for businesses that don't rely on automated insertion.
• How do I determine the correct size of Multisorb MiniPax packet for my specific packaging needs?
Determining the right size of Multisorb MiniPax involves considering factors like the volume of your packaging, the moisture sensitivity of your product, the expected temperature and humidity conditions during storage and transit, and the desired shelf life. Valdamark Direct, as a master distributor, can provide expert guidance and support to help you evaluate your specific requirements and select the optimal packet size.
• Are there different types of sorbent materials available within the Multisorb MiniPax range, beyond just silica gel?
While silica gel is a common fill, Multisorb MiniPax can indeed be made with a choice of different sorbent formulas and blends. This allows for tailored solutions, for instance, combining desiccant compounds to address both moisture and odor concerns simultaneously, or utilizing molecular sieve for more aggressive drying.
• Can Multisorb MiniPax sorbent packets be used in packaging that also requires oxygen absorption?
While Multisorb MiniPax are primarily designed for moisture absorption, if oxygen absorption is also a concern, Multisorb offers other specialized products like Multisorb FreshPax or StabilOx, which are dedicated oxygen absorbers designed for such applications, ensuring comprehensive protection.
Relevant products you may want to consider:
• Do Multisorb MiniPax packets have an indicator to show when they are saturated with moisture?
Yes, Multisorb MiniPax are available in both non-indicating and indicating versions. The indicating version features an integrated transparent inspection window strip, which clearly changes color (typically blue to pink) when the desiccant has reached its absorption capacity, letting you know it's time for a change.
• How should I integrate Multisorb MiniPax into my product packaging for maximum effectiveness?
For maximum effectiveness, Multisorb MiniPax should be placed within a sealed, airtight enclosure alongside your product. The packets work best when they are not obstructed and have sufficient headspace within the package to absorb moisture efficiently.
• What is the typical moisture absorption capacity of Multisorb MiniPax silica gel packets?
Multisorb MiniPax silica gel packets are designed to have a high moisture absorption capacity, typically capable of adsorbing greater than 30% of their own weight at 60% relative humidity (RH) or above, ensuring robust protection against moisture ingress.
• Does the Tyvek® material of Multisorb MiniPax allow for a high water vapor transmission rate?
Yes, the Tyvek® material used in Multisorb MiniPax is specifically chosen for its high water vapor transmission rate (MVTR). This porosity is closely monitored during manufacturing to ensure consistent, optimal quality, allowing moisture to enter the packet efficiently for absorption while preventing sorbent material from escaping.
• Are Multisorb MiniPax resistant to dust or linting, which could contaminate sensitive products?
Absolutely. A key design feature of Multisorb MiniPax is their non-dusting and non-linting characteristic. The dense, tightly wound Tyvek® material acts as a barrier to particulate matter, and they also feature an abrasion-resistant coating, ensuring no contamination of your delicate products.
Relevant products you may want to consider:
• How does the compact design of Multisorb MiniPax benefit product packaging?
The compact and low-profile design of Multisorb MiniPax packets is a significant benefit as they take up minimal space within the packaging. This design also helps to reduce the overall shipping weight and dimensions, potentially leading to cost savings in logistics.
• Can Multisorb MiniPax maintain their strength and integrity even when wet?
Yes, the Tyvek® material used in Multisorb MiniPax is known for retaining its strength whether wet or dry. This means the integrity of the packet isn't compromised by absorbed moisture, further reducing the risk of leakage or contamination.
• At what temperatures do Multisorb MiniPax perform best for moisture absorption?
Silica gel, a common fill for Multisorb MiniPax, is particularly efficient at absorbing moisture at temperatures below 77°F (25°C). However, the packets remain effective across a broad range of typical storage and transport temperatures.
• Are Multisorb MiniPax sorbent packets considered non-toxic?
Yes, the materials used in Multisorb MiniPax, particularly the medical-grade Tyvek® and common sorbents like silica gel, are considered non-toxic. This is crucial for their application in sensitive industries like pharmaceuticals and food.
• Do Multisorb MiniPax meet any specific regulatory standards for medical or food applications?
Yes, they do. Multisorb MiniPax are supported by a Type III Drug Master File and use only FDA 21 CFR compliant materials, making them fully suitable for use in regulated product packaging for medical devices, in-vitro diagnostics, and food products.
Relevant products you may want to consider:
• Is the blue indicating silica gel in some Multisorb MiniPax packets safe for food and pharmaceutical contact?
No, the blue indicating MiniPax, which traditionally uses cobalt chloride as an indicator, is not designed or recommended for use with food or pharmaceutical products due to the presence of cobalt chloride. For food and pharma applications, non-indicating or orange-to-green indicating desiccants are typically used.
• What is the typical shelf life of Multisorb MiniPax sorbent packets before use?
When stored correctly in their original, sealed barrier packaging, Multisorb MiniPax sorbent packets typically have a shelf life of several years, though specific details can be found on the product's technical data sheet. It's crucial to keep them sealed until ready for use to prevent premature moisture absorption.
• How should unused Multisorb MiniPax packets be stored to maintain their efficacy?
Unused Multisorb MiniPax packets should always be stored in their original, tightly sealed, moisture-barrier packaging in a cool, dry place. This prevents them from absorbing ambient moisture and ensures they remain effective until they are ready for their intended use.
• Are Multisorb MiniPax designed to be reusable?
Generally, most desiccant packets, including Multisorb MiniPax, are intended for single-use to provide reliable moisture control throughout a product's lifecycle. While some desiccant materials like silica gel can be reactivated by heating, for critical applications, it's typically recommended to use fresh packets.
• What is Multisorb's approach to sustainability in the production of MiniPax?
Multisorb is committed to sustainability, integrating it into their manufacturing processes. They aim to reduce their environmental footprint by offering eco-friendly sorbent solutions, minimizing waste, reducing plastic usage, and optimizing resource efficiency throughout their product lifecycle, including the production of MiniPax.
Relevant products you may want to consider:
• What packaging options are available when purchasing Multisorb MiniPax from Valdamark Direct?
Valdamark Direct typically supplies Multisorb MiniPax in various quantities, often in foil pouches or other moisture-barrier packaging to maintain their efficacy until use. Specific quantities and packaging formats can vary, so it's best to check the product listing on their website.
• Where can I find technical specifications and safety data sheets for Multisorb MiniPax Sorbent?
Technical Data Sheets (TDS) and Safety Data Sheets (SDS) for Multisorb MiniPax Sorbent are typically available for download on the product page at Valdamark Direct's website, or directly from Multisorb Technologies' official resources. These documents provide comprehensive information on performance, handling, and safety.
• Does Valdamark Direct offer consultation for choosing the right Multisorb MiniPax product?
Yes, Valdamark Direct prides itself on working in partnership with clients. They offer expert guidance and can help evaluate your specific packaging challenges to recommend the optimal Multisorb MiniPax solution, ensuring reliable performance in your application.
• Are Multisorb MiniPax readily available for purchase in the United Kingdom from Valdamark Direct?
As the master distributor for Multisorb products in the UK, Valdamark Direct holds an impressive portfolio of high-performance Multisorb products, including MiniPax, readily available from stock in the United Kingdom, ensuring efficient supply.
• What is the typical lead time for ordering Multisorb MiniPax from Valdamark Direct?
Since Valdamark Direct stocks Multisorb MiniPax in the UK, typical lead times are generally efficient for standard orders. For larger or custom requirements, it's always best to contact their sales team directly for the most accurate delivery estimates.
