The first chart shows that fixed costs remain $50,000 at all production levels from 100 units to 1,000 units. The second chart shows that the fixed cost per unit decreases as production increases. Hence, when 100 units are manufactured, the fixed cost per unit is $500 ($50,000 100).
Plastic Roofing Cements. What is âPlastic Roofing Cementâ? Plastic Roofing Cement is composed of asphalt, fiber, solvent vehicle and sometimes rubber polymer as well as. water displacement additives.
Portland cement is hydraulic cement. This means that it sets and hardens faster due to a chemical reaction with water. As a result, it will also harden under water. Whenever water is mixed with cement, a smooth paste is formed that remains plastic for a short time. During this period, the paste can be disturbed and remixed without injury. As the reaction between water and cement continues, the plaâ¦ You need to be an IASPOINT member to access this content.