ASK SHAWINIGAN H o w t o improve the toughness, impact resistance, flow properties, stability and adhesion of epoxy, alkyd, phenolic, urea, melamine or urethane finishes.
B U T V A R ïs a f a m i l y o f polyvinyl b u t y r a l resins f r o m w h i c h y o u c a n select t h e right p r o d u c t t o m a k e primers, sealers or finishes. B U T V A R i m p r o v e s t o u g h n e s s , i m p a c t and corrosion resistance, f l o w properties, stability a n d adhesion . . . a t t h e right c o s t . Available ïn a range o f viscosities a n d other variables, B U T V A R resins c a n e f f e c t i v e l y up-grade t h e p e r f o r m a n c e o f e p o x y , a l k y d , phenolic, urea, melamine or urethane f o r m u l a t i o n s .
Which of these properties can w o r k f o r you?
B-73 | B-76 1 B-90 White, free-flowing powder
B-98
17.5-21.0
9.0-13.0
18.0-20.0
18.0-20.0
80
88
80
80
1.100
1.100
1.083
1.100
1.100
1200-2000
300-500
130-220
100-250
B-72A 1 Form 1 Hydroxyl 1 Content* 17.5-21.0 1 Butyral 80 1 Content**
life
A m e t a l desk, a business m a c h i n e , s t r u c t u r a l steel, a b o a t hull, missiles, or a m a h o g a n y b o o k c a s e . . . t h e finish on each o f t h e s e p r o d u c t s m u s t m e e t unique p e r f o r m a n c e s p e c i f i c a t i o n s . If y o u are looking f o r an easy, e f f e c t i v e and economical w a y t o selectively up-grade t h e p e r f o r m a n c e o f finishes t o m e e t unique or s t r i c t s p e c i f i c a t i o n s , B U T V A R is the answer.
1
55-95 1
•Expressed as % polyvinyl alcohol * * Expressed as % polyvinyl butyral fViscosity of 1 0 % solution in 9 5 % Ethanol at 2 5 ° C . using Ostwald Viscometer
M a t c h t h e s e B U T V A R resins t o y o u r select i v e finish r e q u i r e m e n t s . B U T V A R B-72A — possesses highest visc o s i t y a n d molecular w e i g h t . Gives c o a t i n g s e x c e p t i o n a l flexibility a n d t o u g h n e s s . B U T V A R B-73 — provides intermediate v i s c o s i t y a n d molecular w e i g h t t o m e e t selective coating requirements. B U T V A R B-76 — l o w e s t h y d r o x y l c o n t e n t f o r f o r m u l a t i o n s requiring i m p r o v e d w a t e r resistance or s o l v e n t c o m p a t i b i l i t y . Soluble in a c e t o n e , b u t y l a c e t a t e a n d w i d e r range o f s o l v e n t s t h a n v i n y l chloride c o p o l y m e r s f o r metal coatings. B U T V A R B-90 — w i d e l y u s e d in primers f o r ship hulls a n d s u p e r - s t r u c t u r e s , industrial a n d electronic e q u i p m e n t and s t r u c t u r a l steel. Good in f o r m u l a t i n g primers t o c u t corrosion a n d develop adhesion. A l s o used w i t h t h e r m o s e t t i n g resins a n d in w o o d sealers. B U T V A R B-98 — l o w e s t v i s c o s i t y o f p r o d u c t line. P e r m i t s high solids f o r m u l a t i o n s f o r fast dry.
T h e s e T e s t Panels w e r e coated w i t h Phenolic Finish. B U T V A R w a s a d d e d to t h e coating on t h e right. N o t e t h e superior flexibility and impact resistance.
A N Y Q U E S T I O N S ? A s k S h a w i n i g a n ! A letter or call will bring a c c u r a t e a n s w e r s — f a s t . S H A W I N I G A N RESINS
CORPORATION
D e p a r t m e n t F38
Springfield 1 , M a s s a c h u s e t t s
SHAWINIGAN RESINS
ASK ABOUT: GELVA® polyvinyl acetate; GELVATOL® polyvinyl alcohol; ÊUTVAR® polyvinyl butyral; FORMVAR® polyvinyl formal
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