141B refrigerator freon Combination polyether

1. ISO9001:2001 2. China Compulsory Certification 3. CE Marking

Foam parameters

A / B feed ratio 100:130 (upon request tone)                        Foaming temperature 20 °C 

Cream time 20 ± 5S                                                              Fiber time 80 ± 20S

Tack free time 110 ± 30S                                                    Density (free foaming) 25 ± 2 kg / m3 (may be asked for a transfer)

Physical properties

Density of foam core 32-43 kg / m3

Dimensional stability           100 ° C 48H volume rate of change of <= 2%           -20 °C 24H volume rate of change of <= 2%

Compressive strength > 0.1mPa                                           Compressive strength 150 ± 30kpa

Thermal conductivity <= 0.015 W / mk                                    Obturator rate 90%

Water absorption <= 0.2 kg / m3                                            Exterior Light brown or light yellow liquid. 

141B refrigerator freon Combination polyether