To be considered as compostable it must meet some strict criteria as defined in national and international standards:
Biodegrade: break down into carbon dioxide, water and bio mass.
Disintegrate; after three months composting and subsequent sifting through a 2 mm sieve no more than 10% residue may remain.
Eco toxicity: the bio-degradation does not produce any toxic material and the compost can sustain plant growth.
What is a biodegradable plastic?
What does science say about biodegradable plastic?
What are the applications and uses of biodegradable plastics?
Biodegradable plastics are a new generation of polymersemerging in the market. Biodegradable plastics have an expanding range of potential applications, and are driven by the growing use of plastics in packaging and the perception that biodegradable plastics are 'environmentally friendly', their use is predicted to increase. However, issues are also emerging regarding the use of biodegradable plastics and their potential impacts n the environment and effects on established recycling systems and technologies.
Why does biodegradable plastic differ from other plastic?
What are the advantages of using biodegradable plastics?
Bioplastics Are Renewable
Biodegradable Plastics Are More Environmentally Friendly
Bioplastics Can Be Recycled Easier
Producing Bioplastics Requires Less Energy
Bioplastics Reduce Foreign Oil Dependence
Biodegradable Plastics Are Not Toxic
Where can we find these biodegradable plastic in the world?
When did these biodegradable plastics start being use?
Bottoms up! Recycling plastic is easy at work and at home
Most City Councils recycle PET & HDPE plastic
We make recycling easy by coding your plastic
Check the bottom of bottles and containers for the plastic identification... [continues]
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(2012, 06). Dowry System. StudyMode.com. Retrieved 06, 2012, from http://www.studymode.com/course-notes/Dowry-System-1022306.html
"Dowry System" StudyMode.com. 06 2012. 2012. 06 2012 <http://www.studymode.com/course-notes/Dowry-System-1022306.html>.
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"Dowry System." StudyMode.com. 06, 2012. Accessed 06, 2012. http://www.studymode.com/course-notes/Dowry-System-1022306.html.