Fastest, clearest flow with Celite Filtration Celite® diatomite filter aids do the fastest, most thor ough job of giving liquid products truly sparkling clarity. Because of its unique particle structure a n d highly irregular particle shapes, Celite filters out the most minute solids a t the fastest flow rates obtain able. Product quality goes up and production costs go down. Processed from the world's largest and purest di atomite source, Celite has the highest degree of uni formity in t h e i n d u s t r y . W h a t ' s more, w i t h t h e widest selection of standard and special grades to choose from, you're assured of g e t t i n g t h e exact degree of clarity needed. For full details, write Johns-Manville, Box 325, New York 16, Ν . Υ. In Canada: Port Credit, Ontario. Cable address: Johnmanvil.
Perlite
INDUSTRIAL AND ENGINEERING CHEMISTRY
Kibra-FlolC' 750 (asbestos)
These photomicrographs show the range of characteristic! available with Celite filter aids. I I J O H N S MANVILLE
JOHNS-MANVILLE
Circle No. 1 on Readers' Service Card
130 A
Fibi-a-Flo® 7f>2 (asbestos and cellulose)
P R O D U C T S
