Desiccant packets are commonly used in the industrial and food sectors… They help preserve packaged products in bags for longer. So how long can desiccant packets be used ? If you are wondering about this, let Sancopack answer it right away!
How Long Can Desiccant Packets Be Used?
Silica Gel is a familiar product in life. It is often placed in dry food bags and tightly sealed to prolong the storage time.
Or you can use desiccant packs to place in some locations such as: kitchen cabinets, microwave ovens… to balance humidity.
So how long can a desiccant be used ? For quality products, the time of use in the environment is up to 02 months.

Desiccant Packet Expiration Date
Desiccant packs bring extremely practical benefits. This product is sold on the market at a fairly “soft” price. According to the manufacturer’s recommendation, the shelf life of desiccant packs in each environment will be different.
If the product is kept in a sealed environment, it can be effective for up to 12 months.
However, for desiccant packets in sealed packaging, the maximum shelf life is 1 hour.
Can Silica Gel Packets Be Reused?
After a period of using desiccant bags, you can recycle and continue to use. Although the quality of recycled products is not as optimal as new desiccant bags. But you can still take advantage of old desiccant bags to serve life and production. This is a solution that both saves costs and helps protect the environment.

How to Refresh & Reuse Silica Gel Packets?
After answering the question: ” How long can a desiccant bag be used ?”, you should pay attention to the product’s expiration date.
For old desiccant bags, you need to collect and store them carefully. When you need to use them, you can recycle the old products. Specifically as follows:
- Step 1: Cut along the edge of the desiccant bag and put the Silica Gel beads into a glass tray. Note that you need to classify the desiccant beads into each tray. You need to separate the red, yellow and blue Silica Gel beads.
- Step 2: Place the trays of desiccant in the microwave. Close the door and set the temperature to 200 degrees Celsius.
- Step 3: Set the Silica Gel drying time for about 30 minutes – 2 hours. Depending on the humidity of this type of grain, you can adjust the most appropriate time.
- Step 4: Take the tray containing the desiccant beads out of the microwave. You should place the tray in a cool place to let the Silica Gel beads cool down. When the temperature is about 40-50 degrees Celsius, put it in a glass box with a lid.
- Step 5: Put a sufficient amount of Silica Gel beads into each small cloth bag for use.
How Many Packets of Silica Gel Do You Need to Preserve Goods?
To ensure the quality of the goods, you need to use the right amount of Silica Gel packets. Normally, small desiccant packets will be packaged in 2g.
Corresponding to the amount of food up to 90l, you need to use 5 desiccant packs. However, you can adjust the number of Silica Gel packs based on the following factors:
- Weather: On rainy, foggy days, the humidity in the air increases. At this time, the ability to absorb moisture of food is also better. To avoid moldy, spoiled goods, you should add 1-2 more moisture absorbers.
- Nature of goods: Based on the nature of each type of goods, you calculate to use the appropriate number of desiccant packets. For dry goods, the number of Silica Gel packets only needs to be maintained at the standard level. Particularly for perishable items such as: Cakes, candies… need to use more desiccant packets.

Is Silica Gel Desiccant Safe For Food?
Silica Gel beads have the effect of absorbing moisture in goods and air. Although this type of beads is widely used, many people are still concerned about its quality.
Some people wonder if Silica Gel beads are safe for food? According to research by scientists, the main ingredient of Silica Gel beads is silicon dioxide (SiO2).
This type of grain does not affect the quality of the product. Therefore, you can safely use desiccant packets to preserve food.
Does Eating Silica Gel Desiccant Kill You?
Silica Gel particles are not harmful to food. If you accidentally swallow a few of these particles, there is nothing to worry about. However, inhaling Silica Gel dust for a long time is very dangerous. This gas causes some damage to the body, especially the lungs. In the early stages, you may have pneumonia, pulmonary fibrosis, etc. If this condition persists for a long time, there is a risk of lung cancer.

How to Know if Silica Gel Desiccant Packet is Saturated?
Silica Gel Desiccant Packets will become saturated after a period of use. At this point, the moisture absorption capacity of the Silica Gel beads has reached its maximum level and needs to be replaced.
To recognize this phenomenon, you can observe with the naked eye. The Silica Gel beads will change from white to orange and then to green.
How Long Does It Take For Silica Gel Desiccant To Work?
Silica Gel Desiccant Packets can work very well. When you put the product outside, the Silica Gel desiccant beads will absorb moisture immediately. Or you can test it by placing the desiccant bag in the food package. Then, you tie the bag tightly and you will see the Silica Gel desiccant pack work quickly.

Do Desiccant Packets Expire?
How long does a desiccant last ? Do desiccants expire? No matter which manufacturer’s desiccant you use, it has an expiration date. Look at the manufacturing date and expiration date printed on the packaging. You should use up the desiccant within 12 months of the manufacturing date.
How Much Moisture Does Silica Gel Absorb?
The amount of moisture absorbed by Silica Gel desiccant is between 27% – 35%. Depending on the weight of the goods, the amount of moisture will vary. At the same time, environmental factors and weather conditions also affect the performance of this type of granule.

Address To Buy Quality Silica Gel Desiccant
Silica Gel Desiccant Packets are used in many areas of industry. In households, many people also look to buy this product.
So where to buy quality Silica Gel desiccant at a good price? Sao Nam International Trading & Service Joint Stock Company is the best choice for customers.
1. Professional desiccant production process
Sao Nam International Trading & Service Joint Stock Company – Sancopack is a unit operating in the field of manufacturing food packaging support products. We have supplied the market with many quality products.
Among them, Silica Gel desiccant packets under the brand name Sancopack are trusted by many customers. We not only serve our loyal customers but also continuously attract new partners.

The entire production process of Silica Gel desiccant packets is carried out very methodically. The product not only meets the standards for moisture absorption but is also safe for users.
Recently, the company has been granted the TCVN ISO 9001:2015 quality safety certificate by the General Department of Standards, Metrology and Quality – Conformity Certification Center.
2. Highly skilled staff
Silica Gel Desiccant Packets are manufactured by Sancopack ‘s experienced staff . At the same time, the technical staff and the team of workers are all highly skilled.
From the very first days of working at the company, we have focused on training for employees. From product knowledge to production processes, all are carefully guided.
After that, the staff needs to complete a test to evaluate their ability and skills. Thanks to that, the Silica Gel Desiccant packets always ensure the best quality.
3. Quotation for desiccant packages according to quantity
Along with the quality of the product, most customers are concerned about the price. Understanding that, Sancopack always gives customers detailed quotes. When contacting the company, you will be warmly welcomed by the staff. Depending on the quantity of products, we will give specific quotes.
4. Receive bulk supply of desiccant packages
Sancopack is a long-term partner of many large enterprises. Since its establishment, the company has continuously expanded its scale of operations. Therefore, Sancopack is always ready to supply large orders.

5. Transport desiccant packets safely and quickly
Sancopack is always ready to receive all orders according to your requirements. After confirming the order, you only need to provide personal information (name, phone number, delivery address).
We will pack the desiccant bags and ship them to the requested address. The shipping time will depend on the delivery address. We will try to deliver the goods, complete and safe in the shortest time.
Hopefully, through the information above, you have answered the question ” How long can a desiccant be used ?”.
Please quickly contact Sancopack Company via Hotline: 0399485599 to order. Or chat with staff at: https://sancopack.com for detailed advice and quotes.
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HOTLINE : 028.73002579 (HCM) – 024.73002579 (Hanoi)
Get advice and order quality, reputable products at:
SAO NAM JOINT STOCK COMPANY (SANCOPACK)
Email : info@sancopack.com.vn
✅Supplier: | ⭐Silica gel desiccant packets, clay desiccant packets, silica gel desiccant beads (white, blue, orange, powder), container hanging moisture-proof bags & strings, oxygen absorbers,… |
✅Price: | ⭐Good price, most competitive |
✅Specifications: | ⭕ 0,5g, 1g, 2g, 3g, 4g, 5g, 6g, 10g, 20g, 30g, 50g, 100g, 200g, 500g,.. 1kg. |
✅Moisture absorption capacity: | ⭐35% – 285% of weight. |
✅Certification: | ⭐Full quality certification. |
✅Material: | ⭕Silica gel, Calcium chloride (CaCl2), Bentonite Clay,… |