Silica Gel and Activated Carbon used in desiccant Canisters!

The best thing to use silica as desiccant is that it can be reused even after it is fully contaminated by heating it over certain temperature. One drawback that these desiccants have is that it cannot be used loosely. Usually it is used by packing them in small packets. But what about huge containers? In that situation huge silica gel Canisters are used.

Whenever you are making for desiccants always choose those which have successfully undergone the FDA standards. This makes it safe that they can be used in close contact with drugs or food items. But still in any case a basic layer is required. In the canisters you have the advantage to use a single desiccant individually or you also have the option to use it in combination with some other desiccant. Like silica gel and activated carbon can be used in combination where silica gel is best in absorbing moisture and activated carbon is used to absorb odor. These canisters are available in various sizes. Advantage of using these canisters is that it can be customized according to the requirement. It is absolutely safe to use desiccant canisters as it has welded ends which provide more structural strength. And those welded ends have the capacity to stay sealed even in extreme pressure.

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Silica Gel Desiccant Rated as the Best Desiccant

Silica Desiccant is basically a granular gel which is a composition of sodium silicate made by the artificial decomposition of silicon dioxide. As the name says gel, but actually silica exists in the form of hard translucent granules that tends to swell up after absorbing certain percentage of humidity or water. As it is an amorphous substance and looks like crystals or beads it has micro-pours structure which has interlocking cavity providing enough surface area to adsorb moist air. This is the reason which makes Silica gel has the best technique to absorb humidity, thus making it the high capacity desiccant. In case the desiccant has reached the highest point where the molecule has no capacity left to adsorb humidity further it even has the feature to change its color. In this case silica gel molecules are of 3 types Orange, blue and white.

 These colored silica gel granules are similar to that of the regular silica gel apart from that different colored granules have different capacity to adsorb moister. As soon as the granule has absorbed enough water it changes its color indicating that the silica gel beads needs to be replaced. Among all the beads silica gel orange is considered t have the best capacity to absorb moisture. It has the capacity to absorb 40 percent moisture of its weight. The best thing about these beads is that even if it has reached the level of saturation it can be reused by heating it over 300o F, this will remove all the moisture content form the bead.

Silica gels are also used in Breathers. There are many companies who are using these breathers for preserving their products. These breathers are mostly used by the power generating companies. Humidity is the biggest enemy of electronic products. So, the function of these silica gel breathers is to absorb all the moisture content which is sucked by those electronic transformers during their breathing process. During the breathing process of silica gel breathers, the air which comes in it is humid and has dirt. This air has to be purified in order to avoid any damage to the electronic items. So the silica gel breather absorbs moist air and ensures that only pure air is breathed out for the transformer. Initially the color of the silica gel beads will be blue but as it absorbs moisture its color will gradually turn to pink. Breathers also have a cup so that the dust particles can settle down in that cup.

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Basics of Silica Gel White

The small packet of silica gel white that comes in almost every packaging nowadays has many advantages. They are mainly responsible for the absorption of moisture and are kept in small packets. These are granular substances that are made from a chemical substance called silicon silicate. These are made basically by synthetic processes. The end result is translucent, hard granules.

These are basically silica gel that is amorphous and is made into irregular granules that look like beads. These beads have micro-porous structure that has interlocking cavity that results in high surface area. Low vapor density is responsible for the fact that water is able to stay on the surface of the beads. The process of adsorption by these beads gets stopped when the state of equilibrium is attained. This state is basically attained when the vapor pressure of the surface and the surroundings gets equal. The process of removal of humidity from the surroundings by the desiccants is known as desiccant dehumidification.

These are used in the industries where excess moisture can cause damage to the goods. The most basic use is for the drying and cleaning of the air and gases. These beads find great use in any kind of a dehumidification process. Silica Gel Beads are also used in the drying of analytical sample as they don’t participate in any type of a chemical reaction. They are also used to protect the sensitive optical instruments and lenses from damage caused due to humidity. The best thing about these beads is that even though they are slightly acidic in nature, then also they are not toxic and can be used even in the packaging of food. These crystals are also used in the drying of flowers. When kept in a closed container with the flowers, they dry up the flower in 2 to 6 days and effectively preserve its beauty.

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What are the Advantages of Using Silica Gel as a Desiccant?

For the starters, silica gel is a synthetic amorphous, porous or granulated product. It has a hard irregular bead crystal appearance. It is used for various applications in varying industries. It is created by the chemical reaction between Sodium Silicate and Sulphuric acid.

Advantages of using silica gel as a desiccant

• Silica gel is non-flammable, non-toxic, non-corrosive and odorless.
• It can be reused by regenerating and has a very high lifetime, if stored air-tight. Heating the gel would remove the absorbed fluid and thus it can be reused.
• It can absorb about 40% of its own weight.
• It is inert to other materials.
• The absorption capacity is 35% higher than that of other clay desiccants.
• It can be packed in varying sizes for different applications.
• When it comes to weight and efficiency, silica gel is a better choice than other desiccant.
• The physical features of the product do not change on absorbing the fluid. In some cases, the beads are made to turn to another color, to indicate the presence of fluid.

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Silica Gel Beads used for Dehumidification

Silica Gel is one of the most used adsorbent in the dehumidification process. Desiccant Silica Gel will absorb the moisture present in the ambient air and will bring down the humidity level accordingly. Whatever the application is house hold or commercial silica gel desiccant is used widely to dehumidify the air. For absorption of moisture indicating type silica gel which and non-indicating type silica gel are used. Also these both types are available to different forms: Silica Gel beads and Silica Gel Crystals. Silica Gel Blue containing indicator cobalt (II) chloride which after hydration turns to pink and after regeneration retains its basic color blue. Similarly for Silica Gel Orange containing indicator methyl violet and few a times phenolphthalein after absorbing moisture turns to green. Whereas in case of Silica Gel White it retains the same color even after adsorption because it does not contain any moisture indicator. Main process is of absorbing water that is present in form of moisture in the air and do an effective job.

Differentiation is as for the indicating types once it is in dry form contains the basic color and once it is saturated will change its color which is an indication that it’s time for the replacement. For

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Get Detail of Protector products list from Silica Gel

The silica gel can be used to protect several of items from moisture. The following list represents some elements commonly protected.

• Tool boxes
• Storage containers
• Safes and vaults
• Silver drawer
• Firearms
• Photos
• Stored vehicles
• Cargo holds on RVs, boats, etc
• Collectibles (stamps, coins, etc.)
• Computer
• Metal and machine parts
• Industrial equipment
• Pharmaceuticals and vitamins
• Electronics
• Military instruments
• Circuit Boards
• Documents
• Instruments
• Photographic equipment and film
• Foodstuffs
• Batteries
• Pet foods
• Optical devices
• Medical equipment
• Leather products
• Textiles
• Seeds
• Jewelry

Contact Sorbead India for putting your order of silica gel. Our toll free number is 1800-233-2677 .

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Silica gel Packets are useful for Electronics Devices

Silica gel is form of silicon dioxide made unnaturally from sodium silicate. Silica gel is solid and tough; it is harder than common household gels like gelatin. As a desiccant, it has an average pore size.  Normally silica gel is used in small beads paper packet. In this form, it is used as a desiccant to control humidity of belongings.

Electronic goods and devices have faced many problems from humidity, silica packets will help a lot for absorbing humidity from them. Silica gel packets are controlling moisture by temperature.  Silica also used for leather items to avoid fungous growth. For many reasons will be highlighted with the warning of “DO NOT EAT”.  It is believed that silica crystals can cause frustration to the human body and cause various side effects in human. Because of this reason it is advised to keep away from children.

Basically silica gel is porous sand. Silica gel is containing 40% absorption of moisture regarding its weight. You can also reuse silica gel pouches once wet has dried off; reheating them on 300 degrees makes them reusable. There are many companies who manufacturer and suppliers of silica gel packets, pouches. Basically industries are purchase silica gel packets in bulk order for getting good discounts. You can get price list from internet also, or you can also fill up inquiries page on website and get brief detail of it. like sorbeadindia is one of the reputed company for purchasing silica gel.

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