Characteristics

Exothermicity
As we explained in a previous Poly-Blog, the formulation of polyurethane comprised the mixing of a polyol and an isocyanate that has to be mixed at the downstream end of the process. In the mixing and subsequent expansion of the two mixed components the chemical reaction that takes place produces an exothermic reaction – ie: the reaction itself produces heat or a thermic reaction. The amount of heat produced is approximately 2750 F. It is important to understand this phenomenon as if polyurethane is used around plastics pipes made of polyethylene or polypropylene where the melting temperatures are less than the heat created by the exothermic reaction of the polymer formulation then the possibility that the pipes could melt would be a reality. It is noted that those experienced in the use and application of polyurethane systems would not be challenged with a scenario where plastic pipes were involved.

R-Value
Water Line Insulation
Polyurethane foam is an excellent insulating material. In fact more and more developers are going to polyurethane foam systems to insulate residences and commercial buildings because of the thermal characteristics of polyurethane and the fact that it is applied in situ and provides a vapour barrier as well as a thermal barrier all-in-one. Closed cell polyurethane systems provide superior thermal characteristics. The polyurethane systems used by Poly-Mor for slab-lifting, void-filling and leak sealing have a R-value of some
R-5.5 – R-6.0 per inch of thickness.

Testimonial
I would like to thank you, and your team for a job will done on my concrete pool deck slab lifting at “222 Carson drive, Hamilton, Ontario” . They did an amazing job on my concrete slab lifting. Again, thanks for very good work, and I am sure we will be dealing with your company with lots of work ahead in the near future.

Next Time
Having briefly covered the fundamentals of polyurethane foam systems we will get into the products Poly-Mor Canada Inc. specializes in and thereafter we will get into the applications under each of Poly-Mor’s unique products.

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