Tamol NN 8906

Stabilizer, dispersing agent and precipitant for the chemical and allied industries.

Chemical nature

Tamol NN 8906 is a condensation product of naphthalenesulfonic acid with formaldehyde.

Tamol NN 8906 has a low degree of polycondensation.

The product is identified by the inclusion of a four-digit number in the prodluct name.

The first two digits indicate the typical active content and the last two digits the typical sodium sulfate content.

The overall solids content is the sum of the active content and salt content. All the figures are appraximate.

Appearance Tamol NN 8906 is a pale or medium brown powder.

Handling and Storage

Handling a)Tamol NN 8906 is hygroscopic and soluble in water, with the result that

it absorbs moisture very quickly. Drums and bags should be tightly resealed each time material is taken from them. We strongly recommend to profect the product from molsture.

b) Please refer to the latest Safety Data 3hest for detalled information on product safety.

Shelf life

If stored correctly in the sealed original containers, Tamol NN 8906 can be

kept for 12 months. As powder, Tamol" NN 8906 in principle has an unlimited shelf life;

however, because it has a tendency to caking, especially after prolonged storage on pallet racks,

we only quarantee it for one year. The tree-flowing properties of powder that is only slightly caked can usually be restored by moving the bags.

Properties

TamolNN 8906 __________Unit ___________Value

Physical form __________________________powder

Dry content________________________________ 95

Active content___________ % ________________89

Water(DIN ISO3733)______% _________________5

Sodium sulfate__________ %__________________6

Degree of polycondensation ______________low

pH value(10% in dist.H,O)___________________7

Formaldehyde content___ %____________ 0-0.1

Bulk density _____________g/L _____________500

lodine color value(10% solids in dist. H,O)______ 40