Montmorillonite Clay Packets
(2g, 5g, 10g, 20g, 50g, 100g, 200g) For pharmaceuticals, food packaging, electronics, shoes, garments and daily consumer goods.
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Montmorillonite
Desiccant
Natural and eco-friendly moisture control
- 100% natural clay
- Safe and eco-friendly
- Reliable moisture absorption
- DMF-free, REACH, RoHS, SGS and MSDS document support
Looking to import high-absorption Montmorillonite Desiccant directly from China? We specialize in OEM and wholesale solutions for importers, wholesalers, retailers, and brand owners worldwide.
Montmorillonite Desiccant
Montmorillonite Desiccant is a physical adsorbent desiccant made from natural montmorillonite clay as the main raw material, processed through crushing, drying, activation, and granulation. With its layered structure and large specific surface area, it can effectively adsorb and retain moisture from the air without any chemical reaction, thereby providing protection against dampness, mold, and corrosion.
Available in formats including small sachets / packets, strip / roll forms, medium and large pouches / bags, and container desiccant (hanging strips).
Strip / Roll Form Container Desiccant
(1kg/1.5kg/2kg) For hanging in shipping containers, storage cabinets and other enclosed spaces.
Medium and Large Pouches / Bags
(500g, 1kg, 2kg, 5kg) For precision instruments, machinery, industrial equipment and storage.
Montmorillonite Clay Packets
- Material: Montmorillonite clay
- CAS No.: 1318-93-0
- Appearance: Light gray to pale brown granules or powder
- Particle size: 0.5-2 mm / 1-4 mm
- Bulk Density: 0.85 - 1.10 g/cm3
- Moisture Absorption (25C, RH=50%): 18-20%
- Effective Temperature: -20C to +60C
- Packaging: non-woven, Tyvek, paper and custom options
- Shelf life: 18-24 months
Rundun New Materials montmorillonite clay packets are chemically inert, non-corrosive and reusable desiccant. It works by adsorbing and trapping moisture from the air, lowering humidity and preventing the formation of mold, condensation and rust in enclosed spaces.
Rundun New Materials montmorillonite packets can adsorb up to 18%-20% of their weight in water vapor at 25C and 80% relative humidity.
At full moisture capacity, montmorillonite remains dry with no change in size or shape.
Features
Natural and eco-friendly
100% natural clay, non-toxic, biodegradable, and safe for the environment.
Stable moisture absorption
Performs well under moderate humidity, maintaining consistent protection.
Wide applications
Suitable for electronics, food, pharmaceuticals, textiles, logistics, and general packaging.
Cost-effective
More economical compared to silica gel while still providing reliable desiccant performance.
Regenerable
Can be reactivated by heating at 110-120C for repeated use.
Hanging Desiccant Strips
- Material: Montmorillonite clay
- Appearance: Light gray to pale brown granules or powder
- Particle size: 0.5-2 mm / 1-4 mm
- Bulk Density: 0.85 - 1.10 g/cm3
- Moisture Absorption (25C, RH=50%): 18-20%
- Effective Temperature: -20C to +60C
- Packaging material: non-woven, Tyvek, paper and custom options
- Net Weight: 500g per strip
- Dimensions: 115mm x 770mm
- Available Sizes: 1000g / 1500g / 2000g
- Shelf life: 18-24 months
Rundun New Materials Desiccant Strips are specially engineered high-performance moisture absorbers designed to combat humidity in enclosed spaces.
Perfect for use in shipping containers, closets, cars, boats, caravans, and long-term storage environments, Rundun New Materials Desiccant strips protect cargo and stored goods from mold, mildew, corrosion, and musty odors.
Each 500g strip is equipped with a durable hook for easy hanging, and constructed using DuPont Tyvek, a breathable, leak-proof material that ensures moisture is locked inside without spills or reverse diffusion.
Applications
- Shipping containers (during ocean or land freight)
- Warehouses and storage units
- Household closets and wardrobes
- RVs, boats and trailers
- Museums and archival storage
- Toolboxes and electrical cabinets
Moisture Absorption Curve Chart
At 25C and 80% RH, the moisture absorption rate can reach 18% within 48 hours.
Montmorillonite Desiccant Applications
- Electronics and precision equipment
- Pharmaceuticals and healthcare
- Food and nutritional products
- Industrial parts and machinery
- Furniture and leather goods
- Textiles and garments
- Container and logistics
- General storage
Montmorillonite Desiccant vs. Mineral Desiccant
Both Montmorillonite Desiccant and Mineral Desiccant are widely used solutions for moisture control, but they are not exactly the same. Mineral desiccant refers to a broad category made from different natural minerals, while Montmorillonite desiccant is a specific type derived from bentonite rich in montmorillonite clay. To help you understand the key differences and choose the right option for your products, here is a clear side-by-side comparison.
| Category | Montmorillonite Desiccant | Mineral Desiccant |
|---|---|---|
| Definition | A specific type of natural mineral desiccant made from bentonite rich in montmorillonite. | A general category of desiccants made from various natural minerals such as bentonite, zeolite, or attapulgite. |
| Moisture Absorption | Strong and stable, especially effective under low humidity conditions. | Moderate, performance depends on the type of mineral used. |
| Moisture Retention | Holds absorbed moisture firmly, less likely to release back. | May release some moisture under certain conditions. |
| Appearance | Light gray to pale yellow granules, minimal volume change after absorption. | Gray-white or light brown granules, may expand slightly after absorption. |
| Environmental Impact | 100% natural, biodegradable, non-toxic, safe for sensitive applications. | Natural and eco-friendly, but quality varies with mineral source. |
| Typical Applications | Pharmaceuticals, military equipment, optical instruments, precision electronics. | General packaging protection: shoes, textiles, furniture, food, electronics. |
All Montmorillonite Desiccants are Mineral Desiccants, but Montmorillonite offers superior moisture absorption, stability, and reliability, making it the premium choice for sensitive and high-value applications.
Montmorillonite Clay Packets Specification
We offer wholesale discounts for bulk orders and custom packaging to align with your brand identity.
Private-label packaging, custom packaging and OEM orders are welcome.
| Weight (gram) | Packet Material | Size L*W (mm) | Package (pcs/ctn) | Carton weight (kg/carton) |
|---|---|---|---|---|
| 3 | OPP | 45*50 | 4000 | 12 |
| 5 | OPP | 45*60 | 3000 | 15 |
| 10 | OPP | 45*80 | 1500 | 15 |
| 50 | Non-woven Fabric | 80*120 | 400 | 20 |
| 100 | Non-woven Fabric | 90*140 | 200 | 20 |
| 200 | Non-woven Fabric | 115*180 | 100 | 20 |
| 250 | Non-woven Fabric | 115*190 | 80 | 20 |
| 300 | Non-woven Fabric | 115*200 | 60 | 18 |
| 500 | Non-woven Fabric | 160*210 | 40 | 20 |
| 1000 | Non-woven Fabric | 110*765 | 10 strips/carton | 10 kg/carton |
Why Choose Rundun New Materials?
At Rundun New Materials, we go beyond moisture control - we deliver reliable protection, proven quality, and tailored solutions for global industries.
Factory direct supply
Stable quality with strict in-house QC.
Natural and eco-friendly
100% natural clay, non-toxic, biodegradable, and safe for the environment.
Custom packaging options
From composite paper to Tyvek, DuPont, non-woven fabrics, and OPP film, we offer a wide range of packaging materials to suit your specific industry needs.
Flexible sizes and custom branding
We support OEM / ODM services, multiple packet sizes, and private label printing to help your brand stand out in the market.
Fast global supply
With optimized logistics and large-scale production capacity, we ensure timely delivery to customers worldwide.
One-stop moisture-control solutions
Whether for electronics, food packaging, shipping containers or flower drying, Rundun New Materials provides moisture-control solutions tailored to your application.
Frequently Asked Questions
Review common questions about samples, customization, lead time and shipping.
Are you a factory or trading company?
Rundun New Materials has its own factory in Weihai, China.
Do you provide free samples?
Yes. Samples can be provided for testing; customers only need to cover shipping costs.
Can you add our logo?
Yes. We support OEM/ODM packaging, including logo printing. MOQ depends on the product and packaging format.
What certificates or documents can you provide?
We can provide ISO 9001 documentation, SGS product test reports and MSDS chemical composition reports when required.
What is your MOQ?
The typical MOQ is 50 kg. Larger quantities are usually more cost-effective.
What's the lead time?
Lead time depends on quantity and packaging requirements. Typical production takes 7-30 days after order confirmation.
What shipping methods are available?
Small trial orders can ship by FedEx or DHL. Larger orders usually ship by sea; air freight is available for urgent projects. Non-hazardous transport identification reports can be provided for sea and air shipment.
How can I place an order?
Contact us with your specifications and quantity. We will confirm the quotation, issue a proforma invoice and provide bank payment details.
What payment terms do you offer?
Small orders usually require 100% T/T payment. For larger orders, standard terms are 50% deposit and 50% balance after production, before shipment.
What's the warranty?
1 year.
Get Started Today
Contact us today to receive a wholesale price list or discuss OEM/custom branding for our high-quality Montmorillonite Clay Desiccant.
Would you like to evaluate our product before making a bulk purchase?
We are pleased to provide free samples for testing and quality verification.
Please share your shipping details and any specific requirements, and we will arrange prompt delivery.