calcium silicates d e v e l o p e d b y J o h n s - M a n v i l l e Research
MICRO-CEL... C h e c k its d i f f e r e n t c o m b i n a t i o n o f properties . . . it m a y hold the k e y t o l o w e r costs a n d p r o d u c t i m p r o v e ments i n your process f o r m u l a t i o n s · Johris-Manville's n e w Micro-Cel line can p r o duce manv desirable effects a? f—-ι € I\JUKJ vvi it g ince to?
a n t i - c a k i n g a g e n t in f e r t i l i z e r s , i n s e c t i c i d e d u s t s , c l e a n s e r s a n d detergents. Additional uses are b e i n g explored i n Johns-Manvilie's Research Center.
Chemical Composition D e v e l o p e d after years o f r e s e a r c h a n d e x p e r i m e n t a t i o n by J o h n s - M a n v i l l e , M i c r o - C e l is p r o d u c e d by t h e c h e m i c a l c o m b i n a t i o n of l i m e a n d d i a t o m a c e o u s s i l i c a u n d e r c a r e f u l l y c o n t r o l l e d c o n d i t i o n s . A s a result, s p e c i f i c g r a d e s vide range oi physical properties. a r e avai la o i e oîterins
examples illustrate. A b s o r p t i o n o f L i q u i d s — M i c r o - C e l w i l l a b s o r b 1 - t o 2 y2 t i m e s its w e i g h t o f l i q u i d s a n d s t i l l r e m a i n a f r e e - f l o w i n g powder. Uniform D r y Dispersion—Different Micro-Cel g r a d e s 'with p a r t i c l e s i z e s as l o w a s . 0 2 m i c r o n s a n d p a r t i c l e s o f r o u n d e d t o s p h e r i c a l s h a p e p r o v i d e fast, u n i f o r m blending without segregation. V i s c o s i t y C o n t r o l — V a r i o u s d e g r e e s o f v i s c o s i t y u p to a paste o r s e m i - s o l i d c a n b e a c h i e v e d b y a d d i n g relatively small quantities o f Micro-Cel. Anti-caking Agent—Micro-Cel's high absorption a n d fine p a r t i c l e s i z e o f less t h a n 0 . 1 m i c r o n effectively c o n t r o l c a k i n g of d e l i q u e s c e n t p r o d u c t s a n d i n s u r e f i o w a b i l i t y e v e n after p r o l o n g e d s t o r a g e . B u l k i n g A g e n t — A s m a l l p e r c e n t a g e of M i c r o - C e l m a t e r i a l l y i n c r e a s e s t h e b u l k o f dry p o w d e r s — a l l o w s c o n trol o f package density. P i g m e n t Extender—Micro-Cel's surface characteristics, fine p a r t i c l e size a n d l a r g e specific s u r f a c e , c o m b i n e d w i t h i n e r t n e s s , i n d i c a t e its v a l u e a s a p i g m e n t e x t e n d e r . S u s p e n s i o n A g e n t — M i c r o - C e l ' s different c o m b i n a t i o n o f p r o p e r t i e s p r o v i d e s a i d in s u s p e n s i o n of h e a v i e r s o l i d s .
RANGE OF PHYSICAL PROPERTIES Color
white or off-white
* Absorption, % by weight Water
300-600
Oil
275-500
Bulk density, lb./eu. ft Ultimate particle size, micron pH Moisture (free), wt.,
