ISO 1043-1 PDF

Brad Kelechava 1 Comment ISO — Plastics — Generic identification and marking of plastics products is the newest edition of the standard for plastic markings. For products that contain a single polymer, this marking is simple, as it only includes the abbreviation for the polymer set between the reversed angled brackets. However, when more materials are introduced, the labeling system becomes more complicated. Products of polymer blends and alloys are marked with the appropriate abbreviated terms for each polymer and are organized in descending order according to their mass fractions, separated by a plus sign.

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Brad Kelechava 1 Comment ISO — Plastics — Generic identification and marking of plastics products is the newest edition of the standard for plastic markings. For products that contain a single polymer, this marking is simple, as it only includes the abbreviation for the polymer set between the reversed angled brackets. However, when more materials are introduced, the labeling system becomes more complicated. Products of polymer blends and alloys are marked with the appropriate abbreviated terms for each polymer and are organized in descending order according to their mass fractions, separated by a plus sign.

The markings change further depending on the fillers, reinforcing agents, plasticizers, and flame retardants within the product. These are expressed by a hyphen after the polymer abbreviation. Furthermore, when a product contains multiple products that are difficult to separate, with some not being readily visible, the polymers should be separated by a comma.

In addition, as previously noted, one of the main updates to ISO is the inclusion of recyclate marking. Further guidelines for this, the marking system, and the method of marking are addressed in the standard. The symbols and abbreviated terms for these plastics and related materials are detailed in the following international standards:.

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