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Hello Aleksandra.
I agree with Suhas ,we do not know the size and thickness of the tube ,so we do not know whether it can be or not !

Regards,
Eric

Thank you for you reply ,Rick
we have found out what the problem is . There are so many reasons can lead to deformation just as you said (sticking in mold or in new ribs, too short cooling time,...

Hello All;

I am a new guy in a large injection department ,these days we have a new project, there are only two parts (like handle ,Material is PC), We have made the mold (two molds)already...