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Silica Gel Application and Uses manual

Many items, moisture encourages the growth of mold and spoilage. Condensation may also damage other items like electronics and may speed the decomposition of chemicals, such as those in vitamin pills. Through the inclusion of silica gel packets, these items can be preserved longer.

Silica gel may also be used to keep the relative humidity (RH) inside a high frequency radio or satellite transmission system waveguide as low as possible (see alsoHumidity buffering). Excessive moisture buildup within a waveguide can cause arcing inside the waveguide itself, damaging the power amplifier feeding it. Also, the beads of water that form and condense inside the waveguide change the characteristic impedance and frequency, degrading the signal. It is common for a small compressed air system (similar to a small home aquarium pump) to be employed to circulate the air inside the waveguide over a jar of silica gel.

Silica gel is also used to dry the air in industrial compressed air systems. Air from the compressor discharge flows through a bed of silica gel beads. The silica gel adsorbs moisture from the air, preventing damage at the point of use of the compressed air due to condensation or moisture. The same system is used to dry the compressed air on railway locomotives, where condensation and ice in the brake air pipes can lead to brake failure.

Silica gel is sometimes used as a preservation tool to control relative humidity in museum and library exhibitions and storage.

Other applications include diagnostic test strips, inhalation devices,Syringes, drug test kits and hospital sanitation kits.


Sizes in Mesh















Note : No Indicating (White) Silica gel size in

Sizes in Gram



1 gm.


1 gm.


2 gm.


2 gm.


5 gm.


10 gm.


Note : Non Indicating (white) silica gel size in

Technical Specifications


Glassy Crystals

Assay (as Sio2)


Loss on drying

5% max.

Moisture Adsorption Capacity @ 95% RH.

31% Min.


5 to 6.5

Particle Size

We offer various particle size ranges as below.

In mesh size

½, ¾, 3/6, 3/8, 5/8, 9/16, 16/30, 30/60 mesh

The uses of Silica Gel manually

You know those little white silica gel packets that come in the box with your brand new heels?  I used to toss them in the trash, but my brilliant husband asked me to start keeping them!  He has found some great uses for those silica gel packets that I hadn’t even though of!

Silica gel packets are used to absorb moisture and keep things dry.  They are ideal to reuse throughout your home in places where you might be worried about excess moisture.

Here are a few places where we have found silica gel packets to be useful.  Just make sure that you keep these out of the reach of children!  They are not to be eaten.

6 Uses for Silica Gel Packets:

1. To save your cell phone from water damage.  I recently dropped my iPhone in a pot of boiling potatoes while trying to multitask.  (OK, I was on Pinterest while making dinner, I’ll admit it.)  I dropped my phone in the boiling water, quickly pulled it out with a spoon, dried it off, removed the SIM card, and put it in a Ziploc bag filled with silica gel packets that we had stockpiled.  I left it alone for a few days, and was shocked to find that it worked perfectly!  Supposedly this works better than the rice trick for saving your cell phone.  Just try to restrain yourself and not turn it on until a few days later because it could cause an electrical short and ruin your phone.

2. To help keep photos safe and free from moisture.  I love to scrapbook.  I recently pulled out one of my scrapbooks from a few years back , when I noticed that some of my scrapbook pages were wet!  I have spent countless hours on my scrapbook pages.  You can imagine how upset I was to find that one of my kids had spilled water, and it had dripped down into the sheet protectors and onto my pages.  My hubby air dried all of the pages, and was able to salvage most of the pages and embellishments from the affected scrapbook pages.

Now each of those pages have a silica gel packet in between the two pieces of card stock in each sheet protector, just to absorb any excess moisture that might still be hiding in the paper. We will eventually remove them, because I am unsure of the archival quality of silica, but for now I am okay with them being there short term.

3. To keep collectables in pristine condition.  My husband has quite the baseball card collection, and uses silica gel packets to keep his collection safe and in great condition.

4. To keep important documents safe.  Whether you have important documents (birth certificates, social security cards, etc.) stored in files in a desk, cabinet, box, or envelopes, you can add a few packets of silica gel to keep them protected.

5. To use in each container in your basement, garage, or storage unit to absorb excess moisture.  We use them everywhere in our basement!

6. To help preserve your ornaments and Christmas decorations. These get pulled out of boxes only once a year, so using silica gel packets in your Christmas boxes is a smart idea.

 Okay, I’m adding a few more tips thanks to you readers!!  Keep the good ideas coming!
7. Reader Roberta left a great comment on Make Life Lovely’s Facebook Page

“I bought an old book from an online bookstore that reeked of a musty smell.  I put the book in a bag with baking soda.  It did nothing.  I put it in a bag with several gel packs and voila!  Smell is all gone!”

8.  The Feral Turtle commented that you can reuse these packets once they are full of moisture!!  She says “We save our silica gel packets too!  They will collect moisture and quit working, though, so we regenerate them in a 200 degree oven for about two hours and store them in an airtight Ziploc bag until we need them.”

As you can see, there are so many different ways to reuse silica gel packets, and I know there are tons more that we haven’t even thought of yet!  Do you keep these packets?  Do you have any more ideas about how or where to use them?  Leave me a comment and let me know!