Bulk Sorbents

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"Bulk" is the term used by chemical producers to signify product that is loose or in its original manufactured form. IMPAK is a leader in prepackaged desiccants, in capsule form, small sachets from .25 grams, filter units and even large 1 lb and 5 lb bags.

Silica gel is available in "plain", often referred to as white, although it is actually clear and indicating. Indicating silica gel has been impregnated with cobalt chloride which turns from blue to pink or a dusty rose when the product has reached its limit of adsorption capacity.

We can provide silica gel, both indicating and non-indicating, molecular sieves and other sorbents in containers from 1 lb aluminum cans to 55 gallon drums.


5 lb. can of indicating silica gel P/N : 640AG05 Price: $ 25.75	5 lb. can of plain silica gel P/N : 639AG05 Price: $ 18.50	5 lb. can of 2% blue silica gel (mix) P/N : 63940AG05 Price: $ 21.80
Case of 4 cans Price: $ 88.80	Case of 4 cans Price: $ 55.50	Case of 4 cans Price: $ 72.50

55 lb of Blue Silica Gel
P/N: 640AG55
Price: 129.25

55 lb of White Silica Gel
P/N: 639AG55
Price: 88.50

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Indicating Molecular Sieve

Molecular sieve also known as synthetic sodium alumina silicate is a unique absorbent with very unique pore structure. This product can be developed so that differentiation in actual pore openings is as small as one angstrom. (1 angstrom = 1/1000 of a human hair) It is by far the best choice in terms of desiccant for companies looking to maintain the lowest possible relative humidity. The vast majority of molecular sieve that is produced has no has indicating feature. However, Impak Corporation has the capability of producing indicating molecular sieve.

Unlike its similarly named chemical cousin, indicating silica gel, which turns from blue to pink as it becomes saturated moisture indicating molecular sieve turns from blue to “not blue.” As you can see in the picture (right and below) its change goes from a blue color back to the original beige.

					ALSO AVAILABLE: 10 pack 1.5 gram indicating molecular sieve capsule P/N: 997AG01/10PK Price: $12.50
	1 lb. can indicating molecular sieve P/N : 641IMS01 Price: $ 21.50		5 lb. can indicating molecular sieve P/N : 641IMS05 Price: $ 95.50		4 oz bag indicating molecular sieve P/N : 997AG01 Pricing: 1 @ $19.75 / each 2-4 @ $18.25 / each 5-19 @ $16.25 / each 20 + @ $15.10 / each

55 lb of 4A Molecular Sieve (20x32mesh)
P/N: 641MS4A55
Price: 123.75

55 lb of 10A Molecular Sieve (16x24mesh)
P/N: 641MS10A55
Price: 123.75

Montmorillonite Clay

Montmorillonite is a relatively rare segment of the bentonite family with superior adsorption characteristics at low relative humidity. Even at 80% RH, it can pick up (adsorb) as much as 27% of its weight.

5lb can of
Montmorillonite Clay
P/N:638MC05
Price: $18.85

Case of 4-5lb cans
of Montmorillonite Clay
Price: $58.50

Bulk Sorbents

55 lb of Blue Silica Gel P/N: 640AG55 Price: 129.25

55 lb of White Silica Gel P/N: 639AG55 Price: 88.50