Polyisocyanurate or Polyiso or ISO owes its popularity to its excellent thermal insulation performance (determined by its R-value). This thermosetting polymer gets its hardened, irreversible, and thermally insulating molecular structure with the application of heat. This property of Polyisocyanurates is particularly useful for roofing insulation applications. But the advantages of these materials and their significance do not end with just one property. There is a significant amount of reasons why many constructors prefer to use these polymers over others as a viable insulation material for their roofing materials. This essay is an attempt to study the significance of Polyisocyanurate ...
Essays on Foams
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Greek mythology as it exists today was a culmination of oral tradition that was part of the early Greek civilization. Different regions of the Greek empire had different heroes with their own traditions and thus Greek mythology was firmly tied to it geographical location. Geography and physical places/ space helped shape Greek mythology to a large extent. Homer’s Odyssey, Iliad and Hesiod’s Theogony are examples of Greek mythology where the myth is tied with the geographical space. With the mention of places these poets also driven by a certain ‘Panhellenic’ impulse-a desire to appeal to as many city states as ...
Price
Before agreeing on pricing, Gillette Company put the following factors into considerations: it checks on the fixed and variable costs, competition from other institutions, the objectives of the company, the proposed positioning strategies and the target group and willingness of the customers to pay for the prices set. The pricing strategies used by the Gillette Company include penetration pricing, skimming pricing, competition pricing, product line pricing, bundle pricing and cost up pricing. In penetration pricing, the Gillette Company places a price that is low so that it can increase its sales and the market share of all the products. ...
Fire is a disaster that posses high risk in regard to life and property. There is need to develop systems that can be able to minimize and curb unwanted fire incidences. With proper installation and effective choice of the fire system fire disasters will be minimized. (Dana, 1919) In navy ships, fire safety is vital and this calls for installation of fire systems. Effective and quick responding fire systems should be installed in naval vessels in order to deal with any fire disaster that may come at any given time. (Clark, 1991) These systems should be able to minimize ...