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Hello community! I have always wondered how confident we can be when it comes to analysing results from physical testing i.e. tensile strength, elongation, modulus, etc etc. How reliable are these results?? I always have the concern of imperfections with test pieces. Can anyone give me some...

I wanted to thank you all for the advices. I am working on it. thank you very much. Gerardo

Hello, The process with which I am involved comprises feeding of polymers in granules form. This is done through feeders with feeding screws. The screw or screws transport the pellets to be fed into the extruder. The problem is that the granules stick to the outside tube of the feeder due to...

Thank you for the tips Nick and Carburize, it makes a lot of sense, however, the die is already coated with PTFE and I still get material build up. I thought of adding an additive during mixing, but I don't know if there is any appropriate. Thanks again Gerardo

Hello, Is there anything that can be done to reduce or eliminate material build up on the die in extrusion process? The material used is a mix of natural rubber with polypropylene. Thank you!! [peace]