acetylene in concentrated ethylene streams. Dept. IEC, Girdler Cata lyst Division, Chemetron Corp., Louisville, Ky. 22
Glass Fabric Filter Bags New No. 600 Maco-Glas filter fabric features improvement in per meability rating, with correspond ing improvements in efficiency and economy. Fabric removes dust and other particulate matter from fil tered gases with greater economy than previous fabrics by increasing throughput or decreasing filter area. Dept. IEC, Menardi & Co., 1222 Grand Ave., El Segundo, Calif. 23
Porous Alumina Tubes for Heat Treating A new line of porous, pure alu mina tubes available in sizes to 6 inches in inner diameter X 48
DISPERSE SOLIDS I N WATER WITH LOW COST MORE EFFECTIVE
MARASPERSE
DISPERSANTS
_ tlieull stag disperse
Alumina tubes have extended service life .
The versatility of Mara sperse dispersants is best described by the variety of a p p l i c a t i o n s in use, such as oil well drilling muds, g y p s u m slurries, ceramic slips, pesticides, dyestuffs, industrial clean ers, concrete, p i g m e n t , carbon black and clay dispersions, ore flotations, and many others.
Mcl o r e
a . s t a b i l i z e a q u e o u s dispersions o f i n s o l u b l e solids, b. c h a n g e a viscous pasty mass t o a f r e e - f l o w i n g l i q u i d , or c. decrease t h e a m o u n t of w a t e r r e q u i r e d t o f l u i d i z e slurries.
Because of the potency of Marasperse, only the state of the mass is changed. The volume is not appre ciably affected. Marasperses are water-soluble, free-flowing powders used by a wide variety of industries. Return the cou pon below for additional information.
MARATHON Division
of
American Can Company CHEMICAL SALES DEPARTMENT MENASHA, W I S C O N S I N
MARATHON · A Division of American Can Co. CHEMICAL SALES DEPT. · MENASHA, WIS. Please send Information File No. 1-129 • . Samples •
information is as near as your
mailbox!
Just circle the number of the
item in which you a r e interested on the Readers' Information C a r d , following this section
·
The Marasperses act to prevent, or minimize, flocculation of insoluble particles in water suspension. The addition of as little as .05% to 3.0% of Marasperse (based on weight of total solids) will —
A
inches long has been introduced. Dept. IEC, Refractories Division, Morganite Inc., 330 48th Ave., Long Island City Ι,Ν. Υ. 24
© @
of MARASPERSE
for use in NAME COMPANY ADDRESS
...
_
· · · · · · · · · · · · · · · · Circle No. 40 on Readers' Service Card VOL. 5 1 , NO. 12
·
DECEMBER 1959
109 A