1 Beat the eggs in a large mixing bowl. 2  Melt the 2 tablespoons shortening, and add it and the sour cream to the eggs. 3  In another bowl, sift together 1 1/4 cups sugar, flour, cocoa and 1/4 teaspoon salt. 4  Add these dry ingredients to the egg mixture. 5  Stir the batter until smooth.
Natural polymers. Polymers are very common in nature; some of the most widespread naturally occurring substances are polymers. Starch and cellulose are examples. Green plants have the ability to take the simple sugar known as glucose and make very long chains containing many glucose units.atural polymers. Polymers are very common in nature; some of the most widespread naturally occurring substances are polymers. Starch and cellulose are examples. Green plants have the ability to take the simple sugar known as glucose and make very long chains containing many glucose units.
Synthetic rubber also generally comes with good levels of chemical and temperature resistance, with specific degrees varying according to the type of elastomer. We offer a variety of types of synthetic rubber including: Neoprene, Nitrile, Silicone, EPDM, SBR, and thermoplastic materials like Santoprene. Each synthetic rubber offers a unique characteristic and has been developed by industry for specific types of use.