Silicea Gel
50g Silica Gel Sachets (Desiccant Packs) — Moisture Control for Storage & Shipping
Silica gel sachets are a simple, reliable way to reduce humidity inside sealed packs, cartons and storage containers. These 50g sachets are designed to help protect moisture-sensitive goods during storage and transit by adsorbing water vapour from the surrounding air. They are commonly used as an in-pack desiccant for larger cartons or where a higher moisture-adsorption capacity is required compared with smaller sachets.
Silica gel works by physically adsorbing moisture onto its porous structure. This helps lower the relative humidity inside a closed environment, reducing the risk of condensation and the moisture-related issues that can follow (such as corrosion, mould growth, label damage, clumping, or loss of product performance). For best results, use in a reasonably sealed outer pack so the sachet is controlling a defined air volume rather than continuously fighting ambient humidity.
Key Features
High-capacity 50g sachet format:
A larger sachet size suited to bigger packs, export cartons, equipment cases and other applications where small desiccant packets may be insufficient.
Helps protect moisture-sensitive items:
Supports moisture control to reduce the likelihood of condensation-related damage during storage and distribution.
Simple in-pack solution:
Place the sachet inside the packaging (without opening it) to provide passive humidity control—no power, wiring or installation required.
Versatile across industries:
Commonly used for industrial components, electronics, tools, spare parts, textiles, leather goods, and general export packing where humidity is a concern.
Works best in sealed or well-closed packs:
Most effective when used inside bags, liners, cartons, cases or containers that limit air exchange with the outside environment.
- 50g silica gel sachet format for higher moisture adsorption per pack
- Passive humidity control inside closed packaging
- Supports corrosion and mould prevention by reducing moisture in the pack environment
- Easy to use—place inside packaging; do not open the sachet
- Suitable for storage and shipping applications
Typical Uses
- Export cartons and long-duration shipping where humidity changes are expected
- Tool cases, equipment cases and spare-part boxes
- Electronics and electrical assemblies packed in cartons or sealed bags
- Metal components and machinery parts to help reduce corrosion risk
- Textiles, leather goods and footwear to help reduce musty odours and moisture damage
- General warehouse storage for moisture-sensitive packaged goods
50g Silica Gel Sachets — Full Product Guide
Choosing the right desiccant is about matching the moisture risk to the pack size, the sealing quality of the packaging, and the duration of storage or transit. A 50g silica gel sachet is typically selected when you need more adsorption capacity per unit, or when you want fewer sachets per carton for easier packing operations.
How It Works
Silica gel is a porous form of silicon dioxide that adsorbs water vapour from the air. When placed inside a closed pack, it helps reduce the relative humidity by capturing moisture molecules on its internal surface area. This can help prevent condensation forming on products when temperatures fluctuate (for example, during overnight cooling, sea freight, or movement between warm and cold environments).
Because silica gel adsorbs moisture from the airspace inside the pack, performance depends on how well the outer packaging limits moisture ingress. A well-sealed bag, liner or carton will allow the sachet to stabilise the internal humidity more effectively than a loosely closed or frequently opened container.
Materials and Construction
These sachets contain silica gel desiccant in a sealed sachet format intended for in-pack use. The sachet material is designed to allow water vapour to pass through while retaining the desiccant inside. Use the sachet as supplied—do not cut, tear or open it.
Floor Type Compatibility
Not applicable—this is an in-pack moisture control product used inside packaging rather than on floors or surfaces.
Health and Safety
- Do not eat. Silica gel sachets are not food and should be kept away from children and pets.
- Do not open the sachet. If the contents are released, avoid creating dust and follow your site’s hygiene procedures.
- Use as intended. Place inside packaging; avoid direct contact with delicate surfaces if your application is sensitive to abrasion.
- Dispose responsibly. Follow local waste guidance and any site-specific requirements.
Ideal Applications and Use Cases
Export and long-distance shipping:
Humidity and temperature swings during transit can cause condensation inside cartons and cases. A higher-capacity sachet can help buffer these changes when used with a reasonably sealed pack.
Industrial parts and metal components:
Moisture can accelerate corrosion on metal surfaces. Using desiccant inside sealed packaging can help reduce the moisture available for corrosion processes.
Electronics and electrical assemblies:
Moisture can contribute to oxidation and performance issues. Desiccant sachets are often used inside sealed bags or cartons to help maintain a drier internal environment.
Textiles, leather goods and footwear:
Moisture can lead to musty odours, mould growth and material degradation. Desiccant can help reduce humidity in stored or shipped goods.
Maintenance, Cleaning and Care
Silica gel sachets are typically used as a consumable in-pack component. Store unused sachets in a sealed container to prevent them from adsorbing moisture before use. Once a sachet has been exposed to air for extended periods, its remaining adsorption capacity may be reduced.
If your process requires ongoing moisture control (for example, repeated opening of cases), consider replacing sachets periodically based on your storage conditions and exposure time.
Case Study (Example Scenario)
A distributor shipping boxed metal spare parts through variable climates may see cartons move from a warm warehouse to a cooler vehicle or container. This temperature change can increase the risk of condensation inside the pack. By placing a 50g silica gel sachet inside each sealed carton (or inside an inner liner), the internal humidity can be reduced, helping to lower the likelihood of moisture-related corrosion during transit and short-term storage.
Who Is It For?
- Warehouses and fulfilment teams packing moisture-sensitive goods
- Export shippers and logistics operations managing long transit times
- Manufacturers packaging components, assemblies or spare parts
- Retailers and distributors seeking a simple in-pack humidity control method
Colours / Features Available
As a configurable product, sachet appearance and pack options may vary by selection. Refer to the variant options on this page for the available pack quantities and any listed features.
Sizes Available
This listing is for 50g sachets. Pack quantity options may vary by variant. If you need guidance on how many sachets to use per carton or container, consider the pack volume, sealing quality, storage duration and expected humidity exposure.
Reference pages used for general guidance on 50g silica gel sachets:
https://www.widgetco.com/products/50g-silica-gel-desiccant-tyvek-packs-50-packs
https://wisedry.net/products/wisedry-silica-gel-sachets
https://www.walmart.com/ip/247087507