A masterbatch which, at little or no extra cost, turns ordinary plastic at the end of its useful life, in the presence of oxygen, into a material with a different molecular structure. At the end of the process, it is no longer a plastic, and has changed to a material which is biodegradable (by bacteria and fungi) in the open environment.
Stages of biodegradation:
- OBP masterbatch is added at the manufacturing stage.
- Film containing OBP masterbatch is extruded and then converted into bags or packaging.
- The product behaves like conventional plastic during its intended service life.
- After its service life, the bag or packaging may be recycled if collected, but :
- If it ends up in the open environment the OBP masterbatch takes effect and the product begins to degrade in the presence of oxygen until it is biodegradable.
- The product will then biodegrade in a continuous, irreversible and unstoppable process leaving nothing more than carbon dioxide, water and biomass, and no heavy metals or other toxic residues.
- British Standard 8472
- American ASTM D6954
- United Arab Emirates Standard 5009:2009 French Accord T51-808
- Saudi Standard SASO 2879
For a detail explanation of biodegradable plastic, click here
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