'Degradable bags' presentation slideshows

A brief history of plastics

A brief history of plastics. Additional information. animation. In the beginning Natural polymers. In the middle of the 17 th century John Osborne made mouldings from Horn, a natural thermoplastic protein keratin. By the mid 19 th century plastic extruders using natural gums

330 views • 19 slides

Plastic Bags

Plastic Bags. an awful load of rubbish. What is the problem?. Australians dump 7,150 recyclable plastic bags into landfills every minute. Australians use more than 10 million new plastic shopping bags every day which equates to 3.92 billion each year.

431 views • 15 slides

Plastic Bags -

390 views • 15 slides

Compostable vs Biodegradable

The basic concept of Compostable and Biodegradable.

58 views • 3 slides