Desiccant Packets

Tyvek™ Desiccant Packet	Blue Indicating Silica Gel	Desiccant Capsules
IMPAK is a world leader in the production and distribution of moisture adsorbing desiccants. With over 100 different desiccant products, the ability to create custom blends (for instance, by mixing activated carbon with silica gel, we can create a desiccant product capable of adsorbing both odor and moisture), and competitive pricing, your options are virtually endless. Need High Temperature Sintered Desiccant Capsules? If you have an application that requires product specifications or a blend not listed here, contact us at: 310-715-6600. Skip straight to Non-Indicating Silica Gel Skip straight to Indicating Silica Gel Skip straight to Molecular Sieve Skip straight to Clay Skip straight to Activated Carbon Skip straight to Activated Carbon / Silica Gel Desiccant Requirement Chart Please note that the information on this page is not meant to be exhaustive. For a more thorogh comparison, please refer to our Desiccant Comparison Chart.

↓ Non-Indicating Silica Gel ↓

Non-Indicating Silica Gel is effectively the same as Indicating Silica Gel, except that it is white and does not change color when it has reached its moisture adsorption capacity.

For more information on Silica Gel, please refer to Indicating Silica Gel below.

Gram Weight	P/N	Dimensions	MylarFoil Bag w/zipper	1 Case	2-4 Cases	5-9 Cases	10+ Cases
Non-Indicating Silica Gel Packets; Tyvek 1059
0.25 Gram	39SG01 30,000/Case	0.625" x 0.75"	P/N: 39SG31 $72.50/3,000 pcs	$372.90	$339.00	$310.75	$285.85
0.5 Gram	39SG03 20,000/Case	0.67" x 1"	P/N: 39SG33 $72.50/2,000pcs	$283.40	$257.64	$236.17	$218.00
0.75 Gram	39SG05 15,000/Case	0.67" x 1.375"	P/N: 39SG35 $72.50/1,500pcs	$257.33	$231.60	$218.72	$193.00
1.0 Gram	39SG07 10,000/Case	0.75" x 1.375"	P/N: 39SG37 $72.50/1,000pcs	$248.60	$226.00	$207.17	$191.23
1.5 Gram	39SG09 9,000/Case	0.75" x 1.625"	P/N: 39SG39 $72.50/900pcs	$255.06	$231.88	$212.55	$196.20
2.0 Gram	39SG11 6,000/Case	0.75" x 1.89"	P/N: 39SG41 $72.50/600pcs	$220.76	$200.69	$183.96	$169.81
3.0 Gram	39SG12 5,000/Case	1" x 2.17"	P/N: 39SG42 $72.50/500pcs	$273.46	$248.60	$227.88	$210.35
5.0 Gram	39SG15 3,000/Case	1" x 2.75"	P/N: 39SG45 $72.50/300pcs	$224.86	$204.42	$187.38	$172.97
7.0 Gram	39SG17 2,200/Case	1" x 3.15"	P/N: 39SG17 $72.50/200 pcs	$191.42	$174.02	$159.52	$147.25
10.0 Gram	39SG19 1,800/Case	1" x 4.15"	P/N: 39SG49 $72.50/180 pcs	$225.98	$205.43	$188.31	$173.83
14.0 Gram	39SG23 1,200/Case	1.5" x 3.375"	P/N: 39SG53 Email for Pricing/120 pcs	Email for Pricing

↓Indicating Silica Gel↓

Indicating Silica gel is extremely efficient at temperatures below 77°F (25°C)

Typical Applications include: Dry food products such as jerky, medicine, vitamins, shoe boxes, electronics. Silica Gel is also widely used in compressed air systems. It is possible to prevent system failures due to the accumulation of moisture by filtering the compressed air through a packet of silica gel. Compressed air systems with moisture adsorbers are also needed to prevent the degradation signals transmitted by high-capacity radio and satellite transmitters. Indicating Silica Gel changes color when it has reached its moisture adsorption capacity.

Gram Weight	P/N	Dimensions	MylarFoil Bag w/zipper	1 Case	2-4 Cases	5-9 Cases	10+ Cases
Indicating Silica Gel Packets
0.25 Gram	40ISG01 30,000/Case	0.625" x 0.75"	P/N: 40ISG31 Email for Pricing/3,000pcs	Email for Pricing
0.5 Gram	40ISG03 20,000/Case	0.67" x 1"	P/N: 40ISG33 $72.50/2,000pcs	$328.15	$298.32	$273.46	$252.42
0.75 Gram	40ISG05 15,000/Case	0.67" x 1.375"	P/N: 40ISG35 Email for Pricing/1,500pcs	Email for Pricing
1.0 Gram	40ISG07 10,000/Case	0.75" x 1.375"	P/N: 40ISG37 $72.50/1,000pcs	$285.89	$259.90	$238.24	$219.92
1.5 Gram	40ISG09 9,000/Case	0.75" x 1.625"	P/N: 40ISG39 Email for Pricing/900 pcs	Email for Pricing
2.0 Gram	40ISG11 6,000/Case	0.75" x 1.89"	P/N: 40ISG41 $72.50/600 pcs	$253.57	$230.52	$211.31	$195.06
3.5 Gram	40ISG13 4,000/Case	1" x 2.17"	P/N: 40ISG43 $72.50/400 pcs Email for Pricing	Email for Pricing
5.0 Gram	40ISG15 3,000/Case	1" x 2.75"	P/N: 40ISG45 $72.50/300 pcs	$280.42	$254.93	$233.68	$215.71
7.0 Gram	40ISG17 2,200/Case	1" x 3.15"	P/N: 40ISG47 $72.50/220 pcs	$246.11	$223.74	$205.10	$189.32
10.0 Gram	40ISG19 1,800/Case	1" x 4.15"	P/N: 40ISG49 $72.50/180 pcs	$285.14	$259.22	$237.62	$219.34
14.0 Gram	40ISG23 1,200/Case	1.5" x 3.375"	P/N: 40ISG53 $72.50/120 pcs	$251.78	$229.89	$209.82	$193.68
14.0 Gram Orange	40OISG53ZB	1.5" x 3.375"	$72.5/100 pcs

↓ What makes molecular sieve the best desiccant? ↓

Molecular sieves retain their ability to adsorb water molecules over a much wider spectrum of temperatures than other desiccant materials. Molecular sieves also have a much higher equilibrium capacity for water vapor under very low humidity conditions.

Molecular sieves contain a uniform network of crystalline pores and empty adsorption cavities, which give it an internal adsorptive surface area of 700 to 800 gm2 (1/2 the total volume of the crystals). Because of its uniform structure, molecular sieves will not desorb moisture into the package as readily as silica gel or clay as temperatures rise. Being synthetic rather than naturally occurring, molecular sieve is higher in cost per unit, but due to its extremely large range of adsorptive capabilities, it is often the best value.

Gram Weight	P/N	Dimensions	MylarFoil Bag w/zipper	1 Case	2-4 Cases	5-9 Cases	10+ Cases
Molecular Sieve Packets
0.25 Gram	41MS01 30,000/Case	0.625" x 0.75"	P/N: 41MS31 $72.50/3,000 pcs	$410.19	$372.90	$341.83	$315.53
0.5 Gram	41MS03 20,000/Case	0.67" x 1"	P/N: 41MS33 $72.50/2,000pcs	$348.04	$316.40	$290.03	$267.72
0.75 Gram	41MS05 15,000/Case	0.67" x 1.375"	P/N: 41MS35 $72.50/1,500pcs	$317.25	$285.53	$269.66	$237.94
1.0 Gram	41MS07 10,000/Case	0.75" x 1.375"	P/N: 41MS37 $72.50/1,000pcs	$248.60	$226.00	$207.17	$191.23
2.0 Grams	41MS11 6,000/Case	0.75" x 1.89"	P/N:41MS41 $72.50/600pcs	$271.47	$246.79	$226.23	$208.82
3.5 Grams (13X)	41MS13 4,000/Case	1" x 2.17"	P/N: 41MS43 $72.50/400pcs	$306.28	$278.43	$255.23	$235.60
5.0 Grams	41MS15 3,000/Case	1" x 2.75"	P/N: 41MS45 $72.50/300pcs	$244.62	$222.38	$203.85	$188.17
7.0 Grams (13X)	41MS17 2,000/Case	1" x 3.15"	P/N: 41MS47 Email for Pricing/200pcs	Email for Pricing
10.0 Grams	41MS19 1,800/Case	1" x 4.15"	P/N: 41MS49 $72.50/180pcs	$249.69	$226.99	$208.08	$192.07
14.0 Grams	41MS23 1,200/Case	1.5" x 3.375"	P/N: 41MS53 120pcs	$238.95	$217.23	$199.13	$183.81
28.0 Grams	U1MSNWP 550/Bag	3" x 4"	P/N: U1MSNWP $24.35/50pcs	$176.10	$165.20
56.0 Gram	U2MSTP	3" x 5.5"	$2.34 bag	$195.00/100 pcs

↓Clay↓

Clay works effectively at temperatures below 120°F (49°C)

Typical applications include: Food packaging, electronic products, navigational instruments, the storage of artifacts, wireless communication equipment and mechanical parts.
Clay is 100% natural, nontoxic, degradable and environmentally safe.

Gram Weight	P/N	Dimensions	MylarFoil Bag w/zipper	1 Case	2-4 Cases	5-9 Cases	10+ Cases
Clay Packets
0.5 Gram	38MC05 20,000/Case	5/8"x 1 1/16"	P/N: 38MC35 $72.50/2,000pcs	$372.90	$339.00	$310.75	$286.85
5.5 Gram	016WP1500CU 3,000/Case	2.25" x 2.55"	P/N: 016WP100CU $13.50/100pcs	198.70	172.45	157.55	145.94
33.0 Gram	2050DCC01	$67.50/300 pcs

↓Activated Carbon↓

Activated Carbon is roasted organic material (coconut shell, bone, wood) that forms porous granules. It is a versatile and inexpensive adsorbent that comes in many sizes and has a range of applications from gas, water, and metal purification to air filtration. Activated carbon has been used extensively for many years as an adsorbent of odors and toxic gases.

Gram Weight	P/N	Dimensions	MylarFoil Bag w/zipper	1 Case	2-4 Cases	5-9 Cases	10+ Cases
Activated Carbon Packets
5.0 Gram	42AC15 2,000/Case	2.375" x 2.55"	P/N: 42AC45 $72.50/200 pcs	$176.15	$160.00	$144.75	$136.00

↓ Activated Carbon / Silica Gel ↓

Activated Carbon / Silica Gel blend provides adsorption of both moisture and odor from the product.

Tolerances:
Weight: ±10%
Dimensions: ±1/32"
Moinsture content: not to exceed 2%

How Shipped:
10-gallon, poly-lined fibre drums
1-gallon, poly lined tin cans
(1 gallon can partnumbers listed in italics)
(Moisture indicating card included in each container)

For sizes or mixture where Part No. is not listed contact factory.

NOTE: For small quantity requirement:
P/N 39SG60100 100 x 1 gram packets 5/8" x 1 1/16"	1 pack $11.10 each	$11.10	Quantity:
	2 pack $9.60 each	$19.20	Quantity:
	3 pack $8.80 each	$26.40	Quantity:

The best solution:
P/N 39SG41ZB	a sealed aluminium foil ZipSeal bag w/500 2.0 gram silica gel packets	$44.50	Quantity:
P/N 40ISG41ZB	a sealed aluminium foil ZipSeal bag w/500 2.0 gram indicating silica gel packets	$57.50	Quantity:

* REQUIREMENT CHART

Container Size	Required Amount in Grams
	Silica Gel	Activated Carbon	Silica Gel/Carbon 50/50
30 Cubic CM	1/8	1/4	1/4
40 Cubic CM	1/4	1/4	1/4
50 Cubic CM	1/2	1/4	1/4
60 Cubic CM	1/2	1/2	1/2
75 Cubic CM	3/4	1/2	1/2
100 Cubic CM	1	1	1
150 Cubic CM	1	1	1
200 Cubic CM	2	2	2
300 Cubic CM	2	2	2
400 Cubic CM	3	2	3
500 Cubic CM	3	2	3
750 Cubic CM	5	2	5
950 Cubic CM	5	5	5
1.1 Gallon 4164 Cubic CM	5	5	5
2.1 Gallons 7949 Cubic CM	10	10	10
3.1 Gallons 11735 Cubic CM	14	14	14

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Desiccant Packets

Non-Indicating Silica Gel Packets; Tyvek 1059

Indicating Silica Gel Packets

Molecular Sieve Packets

Clay Packets

Activated Carbon Packets

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