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Melting temperature tests

This topic contains 33 replies, has 24 voices, and was last updated by  Stan 1 year ago.

Dave Hakkens davehakkens

Melting temperature tests

25/01/2016 at 21:24

There are different types of plastic and each plastic has its own melting temperature. You can easily find this online. However there is a big difference between the melting range between different temperatures, does it get liquid when it melts and what if you burn it? There a re a lot of stages the material can be molded. We want to visualise this. Making it easier to understand the behaviors of plastic on a specific temperature.
Plan: Make a few simple molds which will be filled with 50 Gram of Plastic(from different types) They will be heated for 40 minutes at different temperatures to see how it behaves

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09/04/2019 at 19:04


I have a shrink wrap company and was wondering…hoping this would be able to be recycled in this manner and able to be put to good use. I hate how hard it is to find facilities in the UK to responsibly recycle our off cuts and waste. Is this something you have tried and tested before? I have Spec sheets and can send over samples if you wanted?

Kind regards


21/08/2019 at 18:47

Does anybody have any tips to avoid burning / charring / browning when using the oven? The plastic doesn’t really melt or flow but it gets a bit brown..

21/08/2019 at 19:00

What plastic are you trying to melt? I don’t think there has been much success with PET.

What kind of oven are you trying to use? A toaster oven with the typical exposed, glowing heating element, is very hard to control  for temperature. The top layer of the plastic sees the hot elements and is at much higher temperature (well it gets toasted). If you are doing this in the kitchen, there are fumes.

You are probably better off trying one of the sandwich press/grills or one of the popular air fryers (basically a small convection oven) and doing it outside.

Also get a separate temperature sensor with a probe or thermocouple.

Good luck, and be safe on the fumes

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