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For W A T E R P R O O F I N G nothing equals PICCOPALE! The versatile petroleum resin * T h i s petroleum polymer is r e sistant t o moisture, acids, alkalies, heat, light.
* Low cost permits its use as a basic raw material. Excellent compatibility with other materials; available in a n y quantity, and in a variety of grades.
May we assist you in applying PICCOPALE /
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* Widely used i n adhesives, coatings, paints, paper, textiles, r u b b e r , floor coverings, a n d m a n y other industries.
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PENNSYLVANIA INDUSTRIAL CHEMICAL CORP. Clairton, Pennsylvania Plants: C l a i r t o n , P a . ; W e s t Elizabeth, Pa.,· and Chester, P a . Sales Offices: A t l a n t a , Boston, Chicago, Cincinnati, C l e v e l a n d , D e t r o i t , Jacksonville, Los Angeles, Minneapolis, N e w O r l e a n s , N e w Y o r k , Philadelphia, Pittsburgh, S a n Francisco
MAY
2 0,
1957
C&EN
83
