Polyurethane Foam Refrigerator Insulation

Whether retro fitting a home or choosing insulation when building a new one spray polyurethane foam spf insulation is among the best ways to increase energy efficiency and improve comfort.
Polyurethane foam refrigerator insulation. The type of polyurethane foam used in refrigerator or freezer panels is a class 1 rated polyurethane. Commercial refrigeration products made with ecofoam ensure fresh inventory by providing excellent lifetime insulation with measured r values up to 8 2 at 1 thickness and high performance down to 121 o f. Spf a spray applied cellular plastic is made by mixing chemicals to create foam. It provides manufacturers a reliable alternative to hfc insulation for walk in applications that meet doe annual walk in energy factor.
Applying with polyurethane insulation foam layer in the refrigerator can reduce the cases thickness the available capability inside is much bigger than that of glass fiber insulation layers in the same external dimensions. Household appliance such as refrigerator and water heater usually have a polyurethane casting foam layer inside the case to reach the heat insulation energy efficient effect. 2 better than hfc 245fa better energy efficiency performance at low temperatures. Performance up to 10 12 better energy efficiency than hydrocarbon.
A worker sprays the foam with a special gun into a wall area or into drilled holes where the foam expands and seals the section. High density polyurethanes to produce void free surfaces such as doors and panels. It is a cross linked thermoset plastic that is highly resistant to heat capable of withstanding temperatures of 750 degrees f 399 c. Rigid polyurethane foam is an essential and cost effective material for meeting required energy ratings in consumer refrigerators and freezers.
Polyurethane foam is widely used in domestic refrigerators and freezers providing essential insulation for the low temperature preservation of food. In fact polyurethane foam is the primary insulation material in most modern day refrigerators. Polyurethanes are ideal for surface coating because just one application results in a near perfect finish. What is spf how does it work.
We list below a few of the spray foam insulation dangers to keep in mind. The high insulation value of polyurethanes maximises the internal volume while minimising energy consumption. Cold rooms and display cabinets. The thermal insulating properties of rigid polyurethane foams result from the combination of a fine closed cell foam structure and cell gases that resist heat transfer.
Spray polyurethane foam spf insulation can spray in both tight and hard to reach spaces as well as larger sections called sandwich panels which feature in between structures walls.