How CAB-O-SIL helps blend particles of different sizes and

Nov 6, 2010 - Advertisements that appeared within the print issues of Chem. Eng. News have been included in the C&EN Archives to provide a ...
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LABORATORY REPORT FROM C A B O T

CABOT

C O R P O R A T I O N

KXAOOOtr EFFECT OF CAB-O-SIL ON THE VISCOSITY OF VARIOUS LIQUIDS |

10,000b

How CAB-O-SIL helps blend particles of different sizes and characteristics Here's a different kind of silica, that homoge­ nizes—makes compatible—particles of varying sizes and chemical characteristics, CAB-O-SIL'S super-fineness — it has a particle size of 0.015 micron — measurably aids in increasing the uni­ formity of the product to which it is added.

6

8

Κ)

PER CENT CA8-0-SIL

12

14

16

18

BY WEIGHT

As an agent for thickening any liquid, the addition of a very small amount of CAB-O-SIL to various solvents markedly increases their viscosity.

COMPARISON CHART Physical Properties of CAB-O-SIL SILICA SILICA CAB-O-SIL AEROGEL HYDROGEL| Purity (ignited basis) 99.9% 97.0% 99.5% External surface area (square meters/gm) 200 2.7 .7 Particle size (microns) .015 1.0 4.0 Bulk density (Ibs/cu. ft.) 2.3 3.5 4.8 Compare the typical physical properties of CAB-O-SIL to competitive silicas. CAB-O-SIL's over-all outstanding ad­ vantages improve the salability of your product — with no costly formulation changes.

For example: In a dry state, 0.5 — 1 % CAB-O-SIL keeps lead oxide, salt, sodium bicarbonate and other kinds of caking material in free flow state . . . as a tabletting agent in pharmaceuticals, CAB-O-SIL as­ sures more uniform coating, makes dry-blending easier. In a wet state, up to 0.1 lb./gal. of CAB-O-SIL improves many paint dispersions and reduces the amount of costly, prime pigments needed... less than 2 parts of CAB-O-SIL per hundred of resin give faster, more uniform coating of dipcoated products. CAB-O-SIL is inexpensive to use; no costly formu­ lation or equipment changes are necessary. More than 35 different industries are gaining new sales advantages using CAB-O-SIL. Upgrade your product's profit and quality potential with CAB-O-SIL. Phone your nearest Cabot Sales Of­ fice, or phone Boston direct: Liberty 2-7300.

PLEASE SEND FREE CAB-O-SIL® SAMPLE Name_ Title_ Company^ CAB-O-SIL

SILICA AEROGEL

CLAY

Compare the super-fine particle size of CAB-O-SIL (over 11 x 1015 particles per gram) with other commonly used materials. Magnification: 50,000X.

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