NatraSorb^® Bags

Large-format bags feature high absorption capacity in a flexible, robust format.

Ultimate Moisture Control Solution with NatraSorb^® Bags

NatraSorb^® Leading the Way in Moisture Control

NatraSorb^® Bags deliver dependable, high-capacity moisture protection for bulk packaging, work-in-process materials, and other demanding applications. Their flexible design makes them easy to integrate into packaging while offering the durability required for industrial environments. Available in multiple sizes and unit capacities, NatraSorb can be tailored to meet your specific packaging and protection requirements.

Supports Regulatory Compliance – Designed to help meet the rigorous requirements of industries such as pharmaceuticals, food and beverage, and electronics.
Protects Product Integrity – Helps keep products compliant, stable, and protected throughout storage and distribution.
Customizable for Your Application – Available in a variety of desiccant materials and bag sizes to meet your specific packaging and performance requirements.
Backed by Multisorb Expertise – Supported by precision manufacturing and decades of innovation to help you confidently meet regulatory and packaging challenges.

NatraSorb^® Common Applications

Nutraceuticals & Pharmaceuticals

Electronics & Photo Equipment

Machine Equipment & Parts

Bulk Goods

Why Choose NatraSorb^®

When moisture protection is critical, NatraSorb delivers the performance, quality, and flexibility manufacturers rely on.

High Moisture Adsorption – Engineered to provide consistent, reliable protection against humidity in demanding storage and shipping conditions.
Clean, Durable Construction – Dust-resistant materials help minimize contamination while maintaining product integrity.
Flexible Packaging Options – Available in fractional and full-unit sizes to support everything from compact packaging to bulk containers.
Customizable Solutions – Select the desiccant material, bag construction, and size that best fits your application.
Military-Grade Performance – Manufactured to meet MIL-D-3464 absorption specifications for dependable moisture control.

NatraSorb Specifications

Simplifies Moisture and Humidity Control

NatraSorb Bags are ergonomic and compact, allowing your team to easily place them into your packaging and maintain optimal product conditions.

Versatile Applications in Food, Healthcare, and More

Whether you’re preserving packaged foods, protecting medical supplies, or safeguarding electronics, NatraSorb Bags are the ideal solution for your bulk packaging needs.

Meets Military MIL-D-3464 Absorption Specifications

Made to MIL-D-3464 standards, these desiccant bags provide consistent, high-capacity moisture adsorption you can rely on.

Dust-Proof, Contamination-Free Packaging

Engineered with robust materials and sealed construction, NatraSorb Bags reduce dust or debris, ensuring product purity and cleanliness.

Available in Fractional and Full Units

Choose the exact desiccant quantity needed—from small fractional units for compact packages to larger full units for bulk applications—ensuring optimal moisture control.

NatraSorb FAQs

What makes NatraSorb different from other desiccant bags?

NatraSorb (silica gel) is the preferred choice when product sensitivity, regulatory requirements, temperature variability, or equipment cleanliness are key considerations.
Clay can be acceptable for low-cost, low-risk applications — but silica gel delivers higher reliability, better moisture control, and more consistent performance for mission-critical products.

Can NatraSorb bags handle bulk packaging needs?

Absolutely. NatraSorb is engineered for both small-format dosing and large-scale bulk packaging applications. Whether you’re protecting large containers, drums, totes, or high-volume production runs, NatraSorb delivers consistent, high-capacity moisture control across a broad humidity and temperature range.

What sets NatraSorb apart from standard, commodity-grade bulk desiccants is its controlled, predictable moisture adsorption curve, low dust profile, and stable performance under temperature fluctuations. This makes it ideal for protecting sensitive or high-value materials where moisture variation can impact product integrity, shelf life, or regulatory compliance.

For bulk environments, the advantages are clear:

High adsorption efficiency at low to mid RH—critical for moisture-sensitive materials
Performance stability in fluctuating or elevated temperatures
Cleaner, low-dust formulation suitable for regulated or equipment-sensitive operations
Consistent, reproducible quality backed by rigorous manufacturing standards
Customizable formats and load sizes to match specific container volumes or logistics requirementsNatraSorb gives you the reliability and performance needed for demanding bulk applications—beyond what traditional, general-purpose desiccants can offer.

Are NatraSorb bags compliant with industry standards?

Absolutely. NatraSorb bags conform to Military Specification MIL-D-3464 and are crafted with FDA-approved materials where required, ensuring reliability in regulated industries.