SAHRAFOAM FREEZER SYSTEMS

   

Rigid Polyurethane foam is especially suited for insulation of freezer, refrigerators and cabinet coolers. The low k values of Sahrafoam systems are especially suited for insulation of refrigerators and other appliances.  

SAHRAFOAM Freezer systems are available in various densities depending on the type of appliance.


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Typical Chest Freezer
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  Cabinet Cooler
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Our technicians ensure that the foam has been designed optimally to be compatible with the different manufacturing process and injection technologies.


Face-down pouring process
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Face-up pouring process
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SAHRAFOAM Polyurethane systems have to pass a series of tests before they are released to our customers.

One of the important test is for post swelling as indicated on  the right.

By  ensuring there is low post swelling after injection and the mold ‘sit in’ time is reduced. l           This ensures that the customer has high production rates which is becoming increasingly important due to an increase in manufacturing costs and raw material costs.


Measurement of post swelling on test panel
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SAHRAFOAM Freezer systems are tailor made and are compatible with the following blowing agents:

141b                HFC 245                     HFC 134a                   Cyclopentane

Please check with our technical department for use of blends of blowing agents.
 

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