Transformer desiccants have long been used to help keep them in the best and safest condition. Partly because the climate in our country is temperate, which can easily cause oxidation , rust , and greatly reduce the lifespan of transformers.
Because of that, industrial silica gel desiccant is an effective solution to help overcome that situation for businesses and consumers. Let’s learn about what transformer silica gel desiccant is through the following article.
Silicagel Desiccant for Industrial Transformers
Transformer desiccant is also known as blue Silicagel desiccant . Why does it have such a special name? Because the material structure of this type of granule is made from chemicals such as calcium chloride (CaCl2)m silicagel (SiO2.nH2O, n<2) and some other active ingredients.
Thanks to these active ingredients, the properties of the grain are extremely solid, highly porous, which is very necessary and beneficial in absorbing moisture quite strongly, and has the ability to resist corrosion.

The standard size of Silicagel desiccant is from about 2mm to 4mm and has the property of changing color when it absorbs water, reaching about 40% more than its own weight.
Thanks to its good water absorption capacity and practical application, it keeps machinery dry, protects against corrosion, and prevents mold and mildew from causing oxidation, so it is often used on transformers.
Notes on Using Silicagel Desiccant for Transformers
To use green silica gel desiccant most effectively, you should note the following points:
- The particle size should be selected in proportion to the area of the machine to be protected.
- Because of its characteristic of containing a blue indicator, when used, the beads will turn orange-yellow, indicating that the transformer desiccant beads are saturated and cannot absorb any more water. Therefore, you should regularly check the condition of the beads to replace them, helping the transformer to always be in the best preservation condition.
- This green silica gel desiccant is very practical. It can be reused after drying so it should not be wasted and thrown away after use.
- Special note, due to the nature of the structure of this blue silica gel desiccant, it is only suitable for dehumidification and preservation for machinery because it contains the color indicator Cobalt Chloride. This is a chemical that is considered dangerous to human health.

How to Replace Desiccant Beads of Industrial Transformers
After a period of use and being saturated with water, the blue silica gel desiccant will automatically change color. This helps users easily recognize when the blue silica gel desiccant is no longer effective and needs to be replaced.

However, you need to know that green silica gel desiccant can be reused many times and is easy to replace, so replacing them is also very easy by:
- Collect the used blue silica gel desiccant bags and tear them open to get the blue silica gel beads inside. Then put them in a pan or pot to dry roast them. Or you can put them in the microwave. When the blue silica gel desiccant beads are dried, they will automatically return to their original blue color and can be used again.
- Another alternative that can be applied if you use too much is to dry the blue silica gel desiccant packets in the sun. The heat from the sunlight will cause the water vapor inside the blue silica gel beads to evaporate and you can reuse them to continue to absorb moisture.
Address Selling Quality Transformer Silicagel Desiccant
To order this product or these green silica gel desiccant beads to preserve your machinery, you should choose a reliable supplier and supplier of desiccant beads.

This not only helps ensure the quality of high-quality green silica gel desiccant products , but also helps you save on product purchase or machine maintenance costs.

SancoPack is proud to be a reputable unit that has been operating for many years in the field of trading and distributing quality desiccants, ensuring safety and low prices.
Because we always put prestige first, SancoPack has always been loved and satisfied by customers and partners, as well as those looking for solutions to preserve and care for their products and machines.

SancoPack is always committed to providing its customers with the best quality dehumidifying products at the most suitable prices.
If you are looking to buy cheap desiccant , please call SancoPack immediately at 0908 105 115 for quick advice and support.
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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,… |