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Hi Demon3 You are rigth, It is material selection and design problem. Can I ask you, where I can found this rubber blocks? any supply name? , this is my first time as designer. Thanks

Hi again Thanks for your advices I would to know if you (GrumpyPlasticBastard ) have experience about PVC behaviour at very low temperature. Also I would like to know your opinion about the thickness of the box. We are think about 3 mm to 6 mm for the wall thickness. 6 mm, for me it will...

Thanks for your help I will ask to the manufacture more information about the elongation at break and data on embrittlement point for PVC and PC. The manufacture told me the water pipes in Russia are made in PVC and the external ambient temp is around -50C in winter.

Hi Yes we need to use a semi-rigid polymer as requirement. Do you know is the PVC has good ductility at -30 C? The recommendation of one manufacture is use PVC.

Hello everybody We are designing a box to contain a formulation of 85% of water and 15 % of one water-soluble synthetic polymer. One step in our process is freezing this formulation from 20 C to -30C at ambient pressure for 2 hours and then it will be warmed at ambient temperature . I found...