DON'T fall for FAKE! - Positive Material Identification of Plastics | Serious Engineering - Ep25
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- Опубликовано: 12 июн 2024
- In this episode Star Rapid's CEO Gordon Styles discusses 3 of the most common methods of positive material identification (PMI) and RoHS testing for plastic resins, their advantages, and drawbacks. This is episode 25 of Serious Engineering.
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In this episode Gordon discusses 3 of the most common methods of positive material identification. They are:
- X-Ray Fluorescence (XRF) Analyzer | XRF Gun
- Polymax Gun
- Bruker Alpha FTIR Gun
DON'T fall for FAKE! - Positive Material Identification of Plastics
Chapters:
0:00 Intro
0:26 Black Boxes
0:45 Positive Material Identification (PMI)
1:56 Melt Flow Index Testing (MFI)
3:26 XRF Analyzers
4:55 Polymax Gun
6:14 Bruker Alpha FTIR
8:09 Test Results
8:42 Conclusion
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This is an engineering show for engineers and product developers.
#qualityinspection #manufacturing #seriousengineering 
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Don't fall for fake plastic materials. Instead look for a manufacturing supplier who follow these 3 techniques.
Uncommon sense, very relevant to the material substitution that abounds over there.
Excellent, and I shall share with my students!
We are very glad. To educate young engineers is our purpose.
This is amazing :)
Thank you :)
Ha! Love the Airplane reference.
😂
great video. i have 1 request: please make that spinny CAD thing in the background actually spin in 3D! (like, rendered out properly)
Noted. We will do it.
What do results look like when there are additives/fillers present? Does that make the material more difficult to identify?
There are two ways to identify materials using the FTIR. One is to calibrate from a golden sample, and then know how close the test material is to the golden sample. This is not identifying the chemistry, or the filler, or anything like that, it is just looking at the fingerprint and how similar it is to the golden sample. The Second Way is to use an internal or external database that covers all kinds of resins, fillers, pigments etc. You then ask the machine to work out a combination of all of these materials that would most replicate the fingerprint you are getting off the test-material. You can set the machine to look at 1 level, 2 levels, 3 levels and so on. The problem is that for every additional level, the time it takes to do the calculation is exponential. There are techniques for narrowing down the dataset, but even so, a 3 level analysis can take 4 or 5 hours. At the end of the process it will tell you: You have PP with Glass Fibres, and a carbon black pigment. It can also identify which brand of plasticiser you have. The Alpha is an amazing piece of technology. - Gordon.
You're the new Jardine Matheson of mainland China.
👌😂