When purchasing calcium chloride desiccants, many buyers focus mainly on absorption capacity. However, choosing the right bag size and packaging format is equally important.
The wrong desiccant size may lead to insufficient moisture protection, unnecessary cost, or poor placement inside packaging and shipping containers.
For example:
- Small product packaging usually requires small sachet calcium chloride desiccants
- Ocean shipping containers require large hanging desiccant strips
- Large enclosed spaces may need blanket-type desiccants
In this guide, we will explain the common calcium chloride desiccant bag sizes, packaging structures, applications, and how to select the right size for your business.
What Are Calcium Chloride Desiccant Bags?
Calcium chloride desiccant bags are high-performance moisture absorbers made with high-purity calcium chloride (CaCl₂) and moisture-locking polymers.
Unlike traditional silica gel, calcium chloride works through chemical absorption. It attracts water vapor and converts absorbed moisture into a stable gel, helping reduce leakage risks.
High-quality calcium chloride desiccants can absorb approximately 200%–350% of their own weight in moisture, making them ideal for:
- Ocean container shipping
- Furniture export
- Textile and leather products
- Electronics packaging
- Machinery protection
- Warehouse storage
SORBSTAR calcium chloride desiccants are available in multiple formats, including sachets, hanging strips, and bulk solutions, allowing buyers to choose the best option according to their application.
Calcium Chloride Desiccant Packaging Structure
Before choosing the bag size, buyers should understand the packaging design.
A professional calcium chloride desiccant bag normally uses a double-layer leak-proof structure.
Outer Layer: Breathable Non-Woven Fabric
The outer layer provides:
- Good air permeability
- Strong mechanical strength
- Dust protection
- Easy handling
It allows moisture vapor to enter while protecting the inner material.
Inner Layer: Tyvek® 、Dulai Paper/ One-Way Breathable Anti-Leak Membrane（PET）
The inner layer is designed for:
- Moisture absorption efficiency
- Gel locking
- Leakage prevention
- Safe transportation
After absorbing moisture, calcium chloride changes from dry powder into a gel-like material, reducing the possibility of liquid leakage.
For export ocean shipping, a double-layer structure is strongly recommended.
Calcium Chloride Desiccant Sachet Sizes (2g–250g)
Small calcium chloride desiccant bags are mainly used inside product packaging.
Typical applications include:
- Shoes
- Bags
- Garments
- Small electronic products
- Hardware components
- Consumer goods packaging
Below are common sachet sizes:
| Net Weight | Finished Size (W × L) | Recommended Structure |
|---|---|---|
| 2g | 55 × 90 mm | Double-layer leak-proof |
| 5g | 55 × 120 mm | Double-layer leak-proof |
| 10g | 95 × 125 mm | Double-layer leak-proof |
| 25g | 105 × 130 mm | Double-layer leak-proof |
| 50g | 115 × 130 mm | Double-layer leak-proof |
| 100g | 145 × 155 mm | Double-layer leak-proof |
| 200g | 145 × 205 mm | Double-layer leak-proof |
| 250g | 150 × 240 mm | Double-layer leak-proof |
How to Choose Small Calcium Chloride Desiccant Sizes?
The correct size depends on:
1. Product Volume
Small packaging requires smaller bags.
Example:
- Shoes → 5g–10g
- Handbags → 10g–25g
- Clothing cartons → 25g–50g
2. Moisture Sensitivity
Products exposed to long storage or humid environments may require larger desiccant packs.
For example:
- Leather products
- Wooden products
- Metal components
usually need stronger moisture protection.
3. Transportation Time
Long-distance export shipments often require higher absorption capacity.
Calcium Chloride Hanging Desiccant Strip Sizes for Containers
For ocean shipping, hanging calcium chloride desiccant strips are one of the most popular solutions.
Shipping containers experience:
- High humidity
- Temperature changes
- Condensation
- Container rain
- Cargo sweat
A larger hanging strip provides continuous moisture absorption throughout transportation.
SORBSTAR container desiccant strips are designed for container shipping and can absorb up to 350% of their own weight under suitable test conditions.
Common Hanging Desiccant Sizes
| Net Weight | Finished Size (W × L) | Features |
|---|---|---|
| 500g | 155 × 560 mm | Hook design, segmented chambers |
| 1000g (1kg) | 160 × 750–850 mm | Most popular container size |
| 1500g (1.5kg) | 160 × 1150 mm | Multi-section moisture control |
| 2000g (2kg) | 160 × 1480 mm | Large container protection |
Recommended Calcium Chloride Desiccant Quantity for Containers
The required quantity depends on:
- Container size
- Cargo type
- Shipping route
- Transit duration
- Climate conditions
General recommendation:
| Container Type | Recommended Quantity |
|---|---|
| 20GP Container (33m³) | 6–8 pcs × 1kg strips |
| 40GP Container (67m³) | 10–12 pcs × 1kg strips |
| 40HQ Container | 14–16 pcs × 1kg strips |
For sensitive cargo such as:
- Furniture
- Textiles
- Leather goods
- Machinery
higher quantities may be recommended.
Calcium Chloride Blanket Desiccant Sizes
Blanket desiccants are designed for large surface-area moisture protection.
Unlike hanging strips, they are placed flat inside:
- Container floors
- Pallet areas
- Storage spaces
Common sizes:
| Net Weight | Finished Size |
|---|---|
| 1000g | 430 × 900 mm |
| 1500g | 450 × 1040 mm |
| 2000g | 500 × 1500 mm |
Advantages:
- Large moisture contact area
- Easy installation
- Suitable for large cargo areas
Calcium Chloride Desiccant Size Tolerance
For industrial production:
- Finished size tolerance: ±5mm
- Weight tolerance: ±5%
Dimensions are measured after final sealing.
Small adjustments may be required depending on:
- Printing design
- Material thickness
- Packaging structure
Custom sizes and weights are available for OEM customers.
Custom Calcium Chloride Desiccant Bags for Wholesale Buyers
Different industries have different moisture protection requirements.
Professional manufacturers can provide:
Custom Weight
Examples:
- 3g
- 8g
- 15g
- 30g
- 500g
- 1500g
Custom Packaging
Available materials:
- Non-woven fabric
- Tyvek® Paper
- Dulai Paper
- Composite paper
- PET/OPP film
Custom Printing
Options include:
- Company logo
- Moisture warning symbols
- Product instructions
- MSDS information
SORBSTAR provides OEM and private label calcium chloride desiccant solutions for importers, distributors, and brand owners worldwide.
Calcium Chloride Desiccant Bag Size Comparison
| Type | Size Range | Best Application |
|---|---|---|
| Small Sachet | 2g–250g | Product packaging |
| Hanging Strip | 500g–2kg | Shipping containers |
| Blanket Type | 1kg–2kg | Large cargo spaces |
How to Select the Right Calcium Chloride Desiccant Size?
Before placing an order, consider these questions:
1. What products need protection?
Different products have different humidity sensitivity.
2. What is the packaging volume?
Larger spaces require higher moisture absorption capacity.
3. How long is transportation?
Long ocean shipments usually require larger desiccant formats.
4. What humidity conditions will the product face?
High humidity areas require stronger solutions.
Why Choose SORBSTAR Calcium Chloride Desiccant?
SORBSTAR provides professional calcium chloride moisture control solutions for global customers.
Key advantages include:
✔ High absorption capacity up to 350%
✔ Double-layer leak-proof packaging
✔ Multiple sizes from 2g sachets to 2kg container strips
✔ OEM and customized printing support
✔ SGS testing reports and MSDS available
✔ Suitable for ocean shipping and industrial applications
Frequently Asked Questions (FAQ)
1. What sizes are available for calcium chloride desiccant bags?
Calcium chloride desiccant bags are available in different sizes depending on the application.
Common sizes include:
- Small sachets: 2g, 5g, 10g, 25g, 50g, 100g, 200g, and 250g
- Container hanging strips: 500g, 1kg, 1.5kg, and 2kg
- Blanket desiccants: 1kg, 1.5kg, and 2kg
Small sachets are mainly used for product packaging, while larger hanging strips and blankets are designed for container shipping and large cargo protection.
2. What size calcium chloride desiccant should I use for export containers?
For ocean shipping containers, 1kg hanging calcium chloride desiccant strips are the most commonly used size.
Recommended dosage:
- 20GP container: 6–8 pcs × 1kg
- 40GP container: 10–12 pcs × 1kg
- 40HQ container: 14–16 pcs × 1kg
The exact quantity depends on cargo type, shipping route, transportation time, and humidity conditions.
3. What is the most popular calcium chloride desiccant bag size?
The most popular sizes depend on the application.
For product packaging:
- 10g, 25g, and 50g sachets are commonly used.
For container shipping:
- 1kg hanging desiccant strips are the industry standard because they provide a good balance between absorption capacity, installation convenience, and cost efficiency.
4. How much moisture can a calcium chloride desiccant bag absorb?
High-quality calcium chloride desiccants can absorb approximately:
220%–300% of their own weight in moisture under testing conditions of 30°C and RH90%.
For example:
A 1kg calcium chloride desiccant strip may absorb approximately 2.2kg–3kg of moisture depending on formulation and environment.
5. Can calcium chloride desiccant bags be customized?
Yes. Calcium chloride desiccant bags can be customized according to customer requirements.
Customization options include:
- Custom weight
- Custom dimensions
- OEM logo printing
- Warning labels
- Packaging materials
- Private label design
Manufacturers can adjust the size according to your packaging requirements and application.
6. What is the difference between calcium chloride sachets and hanging desiccant strips?
The main difference is the application.
| Type | Size Range | Application |
|---|---|---|
| Sachet Desiccant | 2g–250g | Product packaging |
| Hanging Strip | 500g–2kg | Shipping containers |
| Blanket Desiccant | 1kg–2kg | Large cargo areas |
Sachets protect individual products, while hanging strips protect the overall container environment.
Conclusion
Choosing the correct calcium chloride desiccant bag size is essential for effective moisture protection.
Small sachets are suitable for product packaging, while large hanging strips and blanket desiccants are designed for container shipping and industrial applications.
For exporters, importers, and wholesalers, working with an experienced manufacturer allows you to customize:
- Bag size
- Weight
- Packaging materials
- Printing design
- Container protection solutions
With the right calcium chloride desiccant size, you can reduce moisture damage, prevent mold and corrosion, and improve cargo safety during transportation.
Recommended Internal Links
- Calcium Chloride Desiccant
- Container Desiccant for Ocean Shipping
- Calcium Chloride Desiccant Absorption Capacity
