MAU OYAMBA

DonFoam 822 / PIR ndi mtundu wa polyols analinso ndi hcfc-141b thobvu wothandizira, ndi polyol monga nkhani yaikulu yaiwisi, wothira wapadera wothandizira wothandiza, abwino kwa kutchinjiriza wa zomangamanga, kayendedwe, chipolopolo ndi mankhwala ena .This zakuthupi ndi mwapadera anayamba kopitiriza mzere .The polyurethane mankhwala kukonzekera yatikhudza ndi isocyanate ubwino:

1. zathovu ali mphamvu yunifolomu ndi ooneka enieni bata mbali zonse

2. The mankhwala thovu akhoza kudula mu akalumikidzidwa osiyana malinga ndi zofunikira za mankhwala

3. Wabwino matenthedwe kutchinjiriza ntchito