Calcium Chloride Desiccant Packets

What is Calcium Chloride Desiccant?

Calcium chloride desiccant is a highly effective, high-absorption moisture control solution made from anhydrous calcium chloride. It is especially well suited to combating "container rain" — the condensation that forms on the interior surfaces and ceiling of shipping containers when warm, moist air meets cooler surfaces during transit, which can drip onto cargo and cause serious damage. As calcium chloride absorbs moisture, it gradually transitions into a gel-like state, offering better temperature resistance than standard silica gel while continuing to draw moisture from the surrounding air. Our Car Lamp Desiccant Bags product uses the same high-absorption calcium chloride formula, adapted for automotive lighting applications.

Benefits

• High-absorption formula — absorbs over 300% of its own weight in moisture at RH90%, making it well suited to humid, long-duration shipping environments
• Prevents container rain — helps protect cargo from condensation damage during ocean freight and container storage
• Temperature resistant — the gel-like post-absorption state offers better temperature resistance than standard silica gel
• Durable packaging — laminated nonwoven material designed to withstand the rigors of shipping and handling
• Customizable — supports private labeling and custom packaging to match your logistics needs

Applications

Calcium chloride desiccant packets are widely used to protect cargo and equipment from moisture damage:

• In shipping containers, they prevent "container rain" from dripping onto cargo during ocean freight.
• In industrial equipment and machinery packaging, they protect sensitive components from humidity during storage and transit.
• In textile, leather, and footwear shipments, they help prevent mold and moisture damage over long transit times.
• In warehouse storage, they provide long-duration humidity control for goods held over extended periods.

Packaging & Shipping

We offer flexible packaging formats and order quantities to fit both trial orders and full production runs.

Standard Specifications:

• 1g / 2g / 3g / 5g / 10g / 20g / 50g / 100g per sachet (weights above 100g to be confirmed separately)
• Packaging materials: laminated nonwoven, engineered to withstand shipping and handling while safely containing absorbed moisture
• Sealing style: 3-side seal, back seal, or custom die-cut shapes
• Outer packaging: bulk poly bags, corrugated cartons, or custom retail display boxes

Minimum Order Quantity (MOQ) by Sachet Weight:

• 1g sachets: 10,000 pcs/carton
• 2g sachets: 6,000 pcs/carton
• 3g sachets: 4,000 pcs/carton
• 5g–100g sachets: please contact our team for carton quantities

Minimum order is typically one carton per sachet weight; sample orders are available for qualified buyers before committing to a bulk order.

Custom Options:

• Private labeling and custom printing available
• Custom sachet weight (within 1-100g range), shape, and packaging material subject to MOQ confirmation

Lead Time:

• Stock items: 3–7 days
• Custom/private label orders: 7–15 days

Shipping Terms: FOB / CIF / EXW — flexible based on destination and order volume. Given the smaller per-unit footprint compared to bulk industrial cargo, LCL and courier/parcel shipping are viable for smaller trial orders alongside full container loads for bulk repeat orders.

Documents & Certificates

We provide complete documentation to support your import, retail, and compliance requirements:

📄 Certificate of Analysis (COA) — Issued for each production batch, confirming moisture absorption capacity and material composition.

📄 Material Safety Data Sheet (MSDS/SDS) — Provided for all products, meeting international shipping and handling standards.

📄 ISO 9001 / ISO 14001 Certification — Quality and environmental management system certification.

📄 REACH & RoHS Compliance — Confirms compliance with EU chemical and hazardous substance regulations for products destined for EU markets.

Additional documents available on request: Certificate of Origin (COO), Packing List, Commercial Invoice.

FAQ

Q1: What is "container rain" and how does this desiccant help? "Container rain" refers to condensation that forms on the interior of shipping containers during transit, which can drip onto and damage cargo. Calcium chloride desiccant absorbs excess moisture from the air inside the container, reducing the risk of this condensation forming.

Q2: Is calcium chloride desiccant reusable? No, calcium chloride is a single-use desiccant. As it absorbs moisture, it gradually transitions into a gel-like state and cannot be dried out and reused like silica gel.

Q3: What sachet sizes are available? Standard weights range from 1g to 100g. Weights above 100g are evaluated on a case-by-case basis — please contact us for details.

Q4: What is the minimum order quantity? MOQ is based on carton quantity per sachet weight — for example, 10,000 pcs/carton for 1g sachets, 6,000 pcs/carton for 2g, and 4,000 pcs/carton for 3g. Please contact our team for 5g and above.

Q5: Can I get custom packaging or private labeling? Yes, we support custom packaging materials and private label printing subject to MOQ confirmation.

Need a Custom Solution?

Looking for a specific sachet size, packaging material, or private label design for your shipping or storage needs? Send us your requirements and our technical team will get back to you within 24 hours with a tailored recommendation.

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