Wednesday 10 May 2023

ISO 1043 - Examples of Often Found Plastic Part Marking Codes and Their Meaning (incl. Miniguide for Downloading)

Hello and welcome to a new post. Today’s post will highlight examples of often found part marking codes on plastic parts and their meaning using the standard ISO 1043.

Supporting this topic, I  made a miniguide (download here), and detailed blog post (here) allowing to deep-dive into the basics. 

Figure 1 shows an example of a glass fiber reinforced PA 6 with a flame retardant package consisting of three different types of additives. 

Figure 1: Part marking example of a glass fiber reinforced PA 6 with a flame retardant package

Table 1 presents often used examples of engineering and high performance polymers which can be used as a guidance for your next polymer material selection and plastic product development project. 

Table 1: Examples of engineering and high performance polymers for plastic part marking

Example part marking of highly filled PPS

Apart from the examples shown in Table 1, there are plastic compounds which have the same overall filling amount, however the ratio between the different filler can be different, resulting in a different part marking code. For example, Ryton PPS BR111 and Ryton PPS R-7-190 have according to the technical data sheet a total filling of 65 wt% in glass and mineral fillers. However, Ryton BR111 shows a slightly higher glass fiber reinforcement hence the part marking code is PPS-(GF40+MD25) and R-7-190 has an equal split in glass and mineral fillers, leading to the part marking code of PPS-(GF33+MD33). 

Download the miniguide here: download here

Thanks for reading and #findoutaboutplastics


Herwig Juster

Interested to talk with me about your polymer material selection, sustainability, and part design needs - here you can contact me 

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[1] ISO 1043 

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