Baytherm® K 4106

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General Characterization

BAYTHERM® K 4106 is a formulated polyol that forms togehter with the isocyanate DESMODUR® 44V20L, a rigid polyurethane foam. The main use of this system is for filling all insulated kinds of pieces such as fridges, freezers, etc... produced discontinously.
BAYTHERM® K 4106 contains all necessary aditives and auxiliaries for the foam productions.
BAYTHERM® K 4106 contains at least one of the followings HFC´s: HFC-134a, HFC-227ea, HFC-365mfc, HFC-245fa.
When correctly processed, rigid polyurethane foams based on polyol BAYTHERM® K4106 can achieve the reaction to fire classification of Euroclass F according to the european standard EN 13501-1:2002.

Storage Conditions

If stored at 20 ºC and protected against moisture, in closed packaging the product will remain stable for 6 months after delivery.


Avoid access of humidity.

Packaging Type

IBC (1000kg.)

Technical Properties & Datasheets

Property Name Test Method Unit Value
Density @ 23ºC LPUR - 050 g/cm³ approx. 1,03

Property Name Test Method Unit Value
Hydroxyl content LPUR - 049 mg KOH/g 290 ± 25
Water content LPUR - 001 % 3,15 ± 0.15
Viscosity at 25 °C LPUR - 002 mPa*s 450 ± 250


Technical Data Sheet
Safety Data Sheet
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