2g Molecular Sieve Desiccant Sachets –Industrial & Medical Bulk
2g Molecular Sieve Desiccant Sachets – High-Capacity Bulk Supply, Fast US Shipping
When your package is large, your seal cycle is long, or your storage environment is demanding, the 2g sachet is the right tool. With 8x the absorption capacity of our 0.25g version, WiseMini 2g molecular sieve sachets are built for industrial packaging lines, large medical device pouches, and bulk reagent kits where smaller sachets simply aren’t enough. Stocked and shipped from our US warehouse — no long waits, no customs delays.
📦 Bulk Pricing – The More You Order, The More You Save
- 100 pcs – $20.00 ($0.200/pc)
- 200 pcs – $32.00 ($0.160/pc)
- 300 pcs – $42.00 ($0.140/pc)
- 500 pcs – $60.00 ($0.120/pc)
- 750 pcs – $78.00 ($0.104/pc)
- 1,000 pcs – $95.00 ($0.095/pc)
- 1,500 pcs – $135.00 ($0.090/pc)
- 2,000 pcs – $175.00 ($0.088/pc)
- 2,500 pcs – $212.00 ($0.085/pc)
- 3,000 pcs – $245.00 ($0.082/pc)
- 6,000 pcs – $430.00 ($0.072/pc)
Need more than 6,000 pcs? Contact us with your required quantity and we will confirm the delivery date based on your order size.
Why Molecular Sieve 4A – Not Silica Gel?
Silica gel works fine at moderate humidity. But when your packaging needs to stay dry at very low humidity levels (below 20% RH), molecular sieve 4A is the only reliable choice. It adsorbs faster, holds more moisture at low RH, and keeps working even in cold environments down to -20°C (-4°F).
Product Specs
- Sachet weight: 2g
- Sorbent: Molecular Sieve 4A (0.4nm pore diameter)
- Absorption capacity: >17% of its weight at 25°C / RH 20%
- Packaging: Breathable nonwoven, dust-free, no binders or solvents
- Seal type: Melt-seal edges – strong, clean, packaging-line ready
- Back window: Transparent – visually confirm sorbent fill
- Operating temp: -20°C to high-temp environments
Real-World Use Cases
🧪 Large-Format Diagnostic & Reagent Kits
Multi-panel test kits, large lateral flow cassette boxes, and bulk reagent pouches require significantly more desiccant capacity than smaller sachets can provide. A 2g sachet maintains the ultra-low humidity environment needed to protect every component inside large sealed kit formats throughout their entire shelf life.
🩺 Large Medical Device & Implant Packaging
Larger sterile medical devices — surgical instruments, implantable components, wound care kits — are packaged in bigger pouches or rigid trays with greater internal volume. The 2g sachet provides the desiccant capacity needed to keep these larger sealed environments consistently dry from production to point of use.
🔬 Industrial Sensor & Electronics Enclosures
Sealed industrial enclosures, junction boxes, and sensor housings are exposed to wide temperature swings that drive moisture ingress. A 2g molecular sieve sachet inside the enclosure actively pulls moisture out of the air, protecting sensitive electronics from condensation and corrosion over long service intervals.
💊 Bulk Pharmaceutical Storage Containers
Large-format pharmaceutical containers — multi-dose bottles, bulk powder drums, and reagent storage jars — benefit from the higher capacity of a 2g sachet to maintain dry conditions across a larger headspace volume, especially during long-term storage or temperature-variable distribution.
📦 Long-Term Archival & Specialty Storage
Museums, archives, military supply depots, and specialty storage facilities use 2g molecular sieve sachets to protect moisture-sensitive materials — documents, optical components, precision instruments — in sealed containers over extended storage periods where silica gel would saturate too quickly.
Who Orders These?
- IVD & diagnostic manufacturers – large-format kit and tray packaging
- Medical device & surgical instrument packagers – large sterile pouch and tray formats
- Industrial equipment manufacturers – sealed enclosures and sensor housings
- Pharmaceutical & biotech companies – bulk storage containers and multi-dose formats
- Archival & specialty storage facilities – long-term sealed container protection
Frequently Asked Questions
How fast does it ship?
All orders ship from our US warehouse. Most orders are processed within 1–2 business days. No overseas shipping delays or customs clearance issues.
When should I choose 2g over 1g or smaller sachets?
Choose the 2g sachet when your package has a large internal volume, a long shelf life requirement, or will be stored in variable-temperature environments. As a general rule: larger package interior + longer seal duration = more desiccant capacity needed.
What’s the difference between molecular sieve and silica gel?
Molecular sieve 4A outperforms silica gel at low humidity (below 20% RH) and has a faster adsorption speed. For critical applications where even trace moisture causes product failure, molecular sieve is the industry standard.
Can these run on automated packaging lines?
Yes. The melt-seal edges and consistent sachet dimensions are designed for compatibility with high-speed automated packaging equipment.
What is the minimum order?
Minimum order is 100 pcs at $20.00 — ideal for sampling or small production runs. Larger quantities offer significantly lower per-unit cost, down to $0.072/pc at 6,000 pcs.
Can I order more than 6,000 pcs?
Yes. Please contact us with your required quantity and we will reply with a confirmed delivery date based on your order size.