W E E K ' S PRICE CHAN6ES April 1, 1957 Advances CURRENT
Carnauba w a x , lb. No. 1 yellow No. 3 N.O- crude No. 4 N.C- ref. p u r e No. 3 N . C . ref. -tech. Cocon-ut oil, crude, tanks, lb.
C o p r a , coast;,, ton Lithopono, I Î D . Carlota Less carlo>-fcs Titavnated, carlo t s Less carlo-fcs T i n derivatives, l b Potassium staimate Sodium s"ta.nnate Stannous oMoride, anhyd. Tin metal, Lb».
S 1.33 0.73 0.78 0.74 0.12 148.00
PREVIOUS
RIGIDSOL
S 1.31 0.65 0.75 0.72
o.nv* 147.50
0.08Vs 0.09 Vs 0.11 0.12
0.08 O.O8V1 0.10y 2
0.780 0.638
0.771 0.628
0.921 l.OOVs
0.909 1.00
Declines 0.G3 Cocoa butter, lb. Corn oil, lb0.13 Vs Cru-de, t a n k s 0.1728 Refined, t a n k s , 2>T.Y. 0.13V» Cottonseed o i l , Valley, l b . 0.08V8 Grease, white, lb. 0.15 Menttiol,Brazilian, lb. 252.00 Mercury, flask Peanit-t oil, It». 0.14 Cru.de, t a n k s 0.17V·» Refined, "tanks, N . Y Soybean oil, tanks, Deca0.12Ve tur, lb. Wood rosins» cwt. 7.90 Kafcy, M a x y 8.00 Nancy 8.50 Window glass
new applications now possible!
o.iiy*
0.64 0.13Vs 0.1753 0.131/4
O.O8V4 6.20 252.50 0.14V* 0.18 0.12V* 8.00 8.10 8.60
A low viscosity compound of excellent storage stability, which fuses readily to form objects of high hardness ! RC RIGIDSOL is available in all colors and can be adjusted to suit individual processing requirements and special performance characteristics i
I N V E S T I G A T E T H E USE OF RC RIGIDSOL FOR
• • • • •
Mechanical P a r t s Rotational Castings Tool H a n d l e s Manikin F o r m s Fabric Coatings
W R I T E F O R S A M P L E S ! We'll send y o u a brochure on a l l R C products t h a t c a n speed y o u r operations, improve y o u r products.
RUBBER CORPORATION OF AMERICA READY. . . RELIABLE . . . RC SERVING AMERICAN INDUSTRY SINCE 1 9 3 0
N e w S o u t h Road, H i c k s v i l l e 4, Ν . Υ . D u Poxot, p i g m e n t s dept., W i l m i n g ton, DeL, issued t h e f o l l o w i n g price schedule for H y p e r p u r e silicon, effective April 1: S e m i c o n d u c t o r G r a d e 1, maximum, boron c o n t e n t 3 parts per billion, $360 per p o u n d ; G r a d e 2 , 6 parts per billion, $250; G r a d e 3 , 1 1 parts p e r billion, $ 1 6 0 per p o u n d . T h e three g r a d e s of silicon a r e a v a i l a b l e i n three p o l y crystalline forms: needles, dense l u m p s , a n d cat rods. Price for t h e solar cell g r a d e is r e d u c e d from $ 1 5 0 t o $ 1 0 0 per p o u n d . Its s h i p p i n g standard remains -unchanged at 0 . 5 o h m - c m . F o r e g o i n g prices are f.o.b. c o m m o n carrier, NTewport, D e l .
Sales
Offices:
N E W YORK · A K R O N · CHICAGO •
BOSTON
What's your problem?
Fritzsclie B r o t h e r s , N e w York, as o f M a r c h 1 X a n n o u n c e d a reduction i n U S P l e m o n oil, California c o l d - p r e s s e d , t o $4.00 per p o u n d i n 3 5 - p o u n d c a n s or 3 8 5 - p o u n d drums. Peninsular Chem Research, Inc., Gainesville, Fla., r e c e n t l y i s s u e d a n e w catalog l i s t i n g nearly 4 0 0 rare c h e m i cals for o r g a n i c research. A m o n g t h e m are allyl monomers, a m i n e s , e p o x y c o m p o u n d s , fluorine c o m p o u n d s , org a n i c intermediates, p h o s p h o r u s c o m pounds, Q u a t e r n a r y c o m p o u n d s , silanes, a n d pilot plant c h e m i c a l s . Standard O i l ( O h i o ) l o w e r e d prices for i t s distillate h e a t i n g oils a n d D i e s e l fuel oils V 2 c e n t p e r g a l l o n as o f M a r c h 2€>. C o m p a n y said l o w e r prices w e r e made possible b y adequate supplies; in s t o r a g e .
MORE S O L U B I L I T Y ? &Mi4e& P O T A S S I U M S I L I C A T E w i l l give y o u more S i 0 2 per gallon — without salting out. POTASH SOAP
BUILDER?
M a k e your potash soap and liquid detergent solutions as strong as you like—and build them with (%QCiA£ea, P O T A S S I U M SILICATE.
NON-SODIUM
ADHESIVE?
&UVÙ& P O T A S S I U M S I L I C A T E blends readily w i t h other watersoluble and water-dispersible b i n d e r s , adhesives and coatings. U s e it in w a t e r paints to get better adhesion w i t h o u t sacrificing concentration. COWLE5 CHEMICAL CO. I 7014 EUCLID AVENUE I CLEVELAND 3 , OHIO
COUPON
j Please send m e Technical Bulletins and Specifications o n Cowles Potassium Silicate. CHEMICAL
COMPANY
Cleveland 3 , Ohio
I I
Name-
_J Company j Address J City & State-
APRIL
8,
1957 C&EN
97
