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![]() | Dry-Packs 900 Gram Silica Gel Dehumidifier Box Safes x5 | ![]() | ![]() | US $100.00 | 6d 3h 38m |
![]() | Silica Gel Reusable Dehumidifier 450 gm Covers 33 Cu Ft | ![]() | ![]() | US $12.75 | 5d 15h 59m |
![]() | Dry-Packs 900 Gram Silica Gel Dehumidifier Box - Safes! | ![]() | ![]() | US $25.99 | 3d 6h 52m |
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Silica Gel

How do the silica gel packets inside some packed food keep the food fresh?
Does it emit a gas and if it does, should the silica gel packet be of a certain paper? For how long will a silica packet keep the food fresh and is there an expiration date on the packets themselves?
Silica gel absorbs moisture. In doing so it tends to prevent mold developing. It acts to contain natural sweating that meats, cheeses and vegetables are prone to.
Silica Gel can only absorb so much moisture and then it becomes ineffective. It can be restored by drying it in a gentle heat to dry it out again.
The paper has to be porous or of a type that allows moisture through so the gel can absorb it.
The gel does not have an expiry date but is only used to keep the food fresh for as long as the expirey date given to the food.
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![]() | Dry-Packs 900 Gram Silica Gel Dehumidifier Box Safes x5 | ![]() | ![]() | US $100.00 | 6d 3h 37m |
![]() | Silica Gel Reusable Dehumidifier 450 gm Covers 33 Cu Ft | ![]() | ![]() | US $12.75 | 5d 15h 59m |
![]() | Dry-Packs 900 Gram Silica Gel Dehumidifier Box - Safes! | ![]() | ![]() | US $25.99 | 3d 6h 52m |
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![]() | 2-Two Large Silica Gel Desiccant Packs-Safes-Ammo/Food Storage-Gun Safe-Tool Box | ![]() | 2 Bids | US $4.49 | 16h 17m |
![]() | 4-Four Large Silica Gel Desiccant Packs-Safes-Ammo/Food Storage-GunSafe-Tool Box | ![]() | 1 Bid | US $7.99 | 16h 17m |
![]() | 4.5 LBS BAG OF BLUE INDICATING SILICA GEL DESICCANT LOOSE / BULK - FREE S&H! | ![]() | ![]() | US $54.99 | 6d 4h 9m |
![]() | Hydrosorbent Silica Gel Dehumidifier 40 Gram Unit | ![]() | ![]() | US $7.99 | 1d 3h 34m |
![]() | 20 Silica Gel Desiccant Packets Gun Safe Ammo Dry-Packs | ![]() | ![]() | US $12.99 | 27d 15h |
![]() | Portable Dehumidifier Desiccant 450 Gram Silica Gel Gun | ![]() | ![]() | US $14.50 | 29d 18h 53m |
![]() | 2 LBS BAG OF ORANGE INDICATING SILICA GEL LOOSE / BULK | ![]() | ![]() | US $34.99 | 1d 2h 38m |
![]() | 4.5 LB BAG OF ORANGE INDICATING SILICA GEL LOOSE / BULK | ![]() | ![]() | US $53.99 | 22d 17h 18m |
![]() | 3 Huge Packs Desiccant Silica Gel 300 grams each Dehumidifier Protect Coins Guns | ![]() | ![]() | US $13.00 | 5d 13h 50m |
![]() | Gun Rifle Jewelry Safe Moisture Protection Silica Gel | ![]() | ![]() | US $9.99 | 9d 7h 30m |
![]() | Gun Safe Dehumidifier - Orange Indicating Silica Gel! | ![]() | ![]() | US $9.98 | 17d 5h 17m |
![]() | 12 Silica Gel 40 Gram Hydrosorbent Desiccant Packs | ![]() | ![]() | US $65.40 | 28d 7h 5m |
![]() | 4.5 LB BAG OF SILICA GEL LOOSE / BULK -OVER 2,000 GRAMS | ![]() | ![]() | US $39.99 | 22d 17h 19m |
![]() | Lockdown Silica Gel 750g Can for Gun Safes-Vaults | ![]() | ![]() | US $35.66 | 28d 8h 5m |
![]() | One 750 Gram Canister Hydrosorbent Silica Gel | ![]() | ![]() | US $29.95 | 28d 7h 1m |
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| | Silica Gel $79.66 High Quality Content by WIKIPEDIA articles High Quality Content by WIKIPEDIA articles Silica gel is a granular, vitreous, highly porous form of silica made synthetically from sodium silicate. Despite its name, silica gel is a solid. It is a naturally occurring mineral that is purified and processed into either granular or beaded form. As a desiccant, it has an average pore size of 24 angstroms and has a strong affinity for moisture molecules. Silica gel is most commonly encountered in everyday life as beads packed in a vaporpermeable plastic. In this form, it is used as a desiccant to control local humidity in order to avoid spoilage or degradation of some goods. Because of poisonous dopants (see below) and their very high absorption of moisture, silica gel packets usually bear warnings for the user not to eat the contents. Author: Surhone, Lambert M./ Tennoe, Mariam T./ Henssonow, Susan F. Binding Type: Paperback Number of Pages: 18 Publication Date: 2010/08/22 Language: English Dimensions: 6.00 x 9.02 x 0.04 inches |
| | Sol-Gel Silica (Hardcover) $223.21 A unique perspective of twentieth century research and development in materials science. It summarizes the fifteen years of sol-gel silica processing research leading to the commercial development of bioactive gel-glasses for medical applications. It demonstrates the combined use of quantum mechanical molecular modeling and spectroscopy to solve environmental stability problems. A final chapter addresses the topic of Technology Transfer - how to transfer technology from the laboratory to a profitable commercial enterprise using examples from various chapters in the book. |
| | Desiccants Silica Gel - 40 Grams $6.95 If you have problems with rust in your reloading room gun cabinet or reloading box you may want to consider using Silica gel. Our silica gel units are of compact size and have a built-in indicator which turns from blue to pink to signal when to reactivate. Reactivates easily in any oven. The 750 grain canister is ideal for safes vaults lockers large cabinets. Designed for 57 cubic feet and measures 6 inches high 4 inches in diameter. The 40 gram size is perfect for tool boxes or gun cases. Compact 4 inch x 2 inches x 1/2 inch aluminum sleeve. SG-750 750 gram Silica Gel (Steel Canister) SG-40 40 gram Silica Gel (Aluminum Sleeve) Mfg: Sinclair International |
| | Yellow Silica Gel Clip Cord $4.99 Highlights:Revolutionary new colourful silica gel clip cords. It will fit any tattoo machine. Have had crush tests and pull tests done. Features:1.8m(6ft, standard) |
| | Silica Gel Paks 900 Gm Silica Gel $22.99 One of the most effective moisture absorbers ever developed. These man-made crystals prevent rust mildew corrosion and tarnish before they start by literally "sucking up" and safely holding the moisture that causes them. Yet the crystals stay dry to the touch will not harm or dampen any surface even when saturated. When built-in indicator changes from blue to pink the crystals have all the moisture they can hold and are easily reactivated by heating in a conventional oven for 3 hours. The crystals can be reactivated over and over again giving you a lifetime of protection from the destructive effect of dampness.ÊSilica Gel Crystals are chemically inert non-toxic an Mfg: Brownells SPECS: 40 Gram size: 2" (5.1cm) x 4" (10.2cm) x 1/2" (1.3cm). Wt. 2 oz. (56.7g) Flat aluminum can protects 3 cu. ft. For 1 drawer individual gun camera. 450 Gram size: 7" (17cm) x 4-1/2"- (11cm) x 2" (5cm) corrugated carton. Weighs 18 oz. (510 g). Protects 33 cu. ft. 750 Gram size: 6" (15. |
| | Silica Gel Paks 40 Gm. Silica Gel $7.99 One of the most effective moisture absorbers ever developed. These man-made crystals prevent rust mildew corrosion and tarnish before they start by literally "sucking up" and safely holding the moisture that causes them. Yet the crystals stay dry to the touch will not harm or dampen any surface even when saturated. When built-in indicator changes from blue to pink the crystals have all the moisture they can hold and are easily reactivated by heating in a conventional oven for 3 hours. The crystals can be reactivated over and over again giving you a lifetime of protection from the destructive effect of dampness.ÊSilica Gel Crystals are chemically inert non-toxic an Mfg: Brownells SPECS: 40 Gram size: 2" (5.1cm) x 4" (10.2cm) x 1/2" (1.3cm). Wt. 2 oz. (56.7g) Flat aluminum can protects 3 cu. ft. For 1 drawer individual gun camera. 450 Gram size: 7" (17cm) x 4-1/2"- (11cm) x 2" (5cm) corrugated carton. Weighs 18 oz. (510 g). Protects 33 cu. ft. 750 Gram size: 6" (15. |
| | Silica Gel Paks 450 Gm. Silica Gel $14.99 One of the most effective moisture absorbers ever developed. These man-made crystals prevent rust mildew corrosion and tarnish before they start by literally "sucking up" and safely holding the moisture that causes them. Yet the crystals stay dry to the touch will not harm or dampen any surface even when saturated. When built-in indicator changes from blue to pink the crystals have all the moisture they can hold and are easily reactivated by heating in a conventional oven for 3 hours. The crystals can be reactivated over and over again giving you a lifetime of protection from the destructive effect of dampness.ÊSilica Gel Crystals are chemically inert non-toxic an Mfg: Brownells SPECS: 40 Gram size: 2" (5.1cm) x 4" (10.2cm) x 1/2" (1.3cm). Wt. 2 oz. (56.7g) Flat aluminum can protects 3 cu. ft. For 1 drawer individual gun camera. 450 Gram size: 7" (17cm) x 4-1/2"- (11cm) x 2" (5cm) corrugated carton. Weighs 18 oz. (510 g). Protects 33 cu. ft. 750 Gram size: 6" (15. |
| | Silica Gel Paks 750 Gm. Silica Gel $41.99 One of the most effective moisture absorbers ever developed. These man-made crystals prevent rust mildew corrosion and tarnish before they start by literally "sucking up" and safely holding the moisture that causes them. Yet the crystals stay dry to the touch will not harm or dampen any surface even when saturated. When built-in indicator changes from blue to pink the crystals have all the moisture they can hold and are easily reactivated by heating in a conventional oven for 3 hours. The crystals can be reactivated over and over again giving you a lifetime of protection from the destructive effect of dampness.ÊSilica Gel Crystals are chemically inert non-toxic an Mfg: Brownells SPECS: 40 Gram size: 2" (5.1cm) x 4" (10.2cm) x 1/2" (1.3cm). Wt. 2 oz. (56.7g) Flat aluminum can protects 3 cu. ft. For 1 drawer individual gun camera. 450 Gram size: 7" (17cm) x 4-1/2"- (11cm) x 2" (5cm) corrugated carton. Weighs 18 oz. (510 g). Protects 33 cu. ft. 750 Gram size: 6" (15. |
| | 2-in-1 Slimming Silica Gel Toe Rings $2.49 Material: Silica Gel Color: White Dimensions (cm): 4.5 x 2.6 x 1.3 Weight (kg): 0.003 |
| | Silica Gel Whisk In Pdq(Pack of 48) $6.25 Silica Gel Whisk In Pdq. Assorted colors. Counter display size: 10.25" x 8" x 10.5". |
| | Byttneria Fruit Branch in Silica Gel $43.99 SpecificationFloral Type: Plants Floral Size(inch): Large(40~100) Flower Color: Black Set of: 1 Container: Not Included Flower Materials: Silica Gel Floral Dimension (inch): H51.18 Net Weight (kg): 0.3 Shipping Weight (kg): 0.4 |
| | Evergreen Cane Fruit in Silica Gel $34.99 SpecificationFloral Type: Plants Floral Size(inch): Medium(20~40) Flower Color: Green Set of: 1 Container: Not Included Flower Materials: Silica Gel Floral Dimension (inch): H27.56 Net Weight (kg): 0.3 Shipping Weight (kg): 0.4 |
| | Green Lotus Leaf in Silica Gel $49.99 SpecificationFloral Type: Plants Floral Size(inch): Large(40~100) Flower Color: Green Set of: 1 Container: Not Included Flower Materials: Silica Gel Floral Dimension (inch): H43.31 Net Weight (kg): 0.3 Shipping Weight (kg): 0.4 |
| | Devil Protective Silica Gel Case for iPhone4 - White $2.39 Compatibility: iPhone 4/4S Features: Back Cover Material: Silica Gel Style: Novelty Color: White Dimensions (cm): 11.7x6.3x1 Weight (kg): 0.0227 |
| | Devil Protective Silica Gel Case for iPhone4 - Black $2.39 Compatibility: iPhone 4/4S Features: Back Cover Material: Silica Gel Style: Novelty Color: Black Dimensions (cm): 11.7x6.3x1 Weight (kg): 0.0227 |
| | Angel Protective Silica Gel Case for iPhone4 - Purple $2.39 Compatibility: iPhone 4/4S Features: Back Cover Material: Silica Gel Style: Novelty Color: Purple Dimensions (cm): 11.7x6.3x1 Weight (kg): 0.0227 |
| | Angel Protective Silica Gel Case for iPhone4 - Black $2.39 Compatibility: iPhone 4/4S Features: Back Cover Material: Silica Gel Style: Novelty Color: Black Dimensions (cm): 11.7x6.3x1 Weight (kg): 0.0227 |
| | Angel Protective Silica Gel Case for iPhone4 - Red $2.39 Compatibility: iPhone 4/4S Features: Back Cover Material: Silica Gel Style: Novelty Color: Red Dimensions (cm): 11.7x6.3x1 Weight (kg): 0.0227 |
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Silica Gel Discourse
What is the scientific name for silica gel?
The question says it all,by scientific i mean like water for example,is H2o,so what is the scientific name for silica gel?
silica gel is composed of sodium silicate, Na2SiO3, also know as sodium metasilicate.
http://en.wikipedia.org/wiki/Silica_gel
http://en.wikipedia.org/wiki/Sodium_silicate
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