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Tuesday, September 15, 2015

Engineers Day-2015

Engineer Diary Blog is bringing to you a very Happy and Memorable Engineers day Wishes.

Engineers day is the most prestigious day for every engineer. September 15th will be celebrated as the Engineers day in India. Reason behind this is the birthday of great civil engineer Mokshagundam visweswarayya who gave enormous services to the people as well as the government.

Dear Readers

Click here to get more
Wish You a Happy Engineers Day
Crane & Crane Man
Provided by MasterGreetings.com

Centuries ago people who sacrificed their
sleep, food, laughter & other joys of life
were called “SAINTS”
Now they are called "ENGINEERS"
Happy Engineers Day!

Sunday, September 6, 2015

PET (Polyethylene Terephthalate)

Dear Readers,

This is continuation of my earlier post of Plastics

Polyethylene terephthalate (PET) is clear, tough, and shatterproof. It provides a barrier to oxygen, water, and carbon dioxide and is identified with the number 1. 

PET's ability to contain carbon dioxide (carbonation) makes it ideal for use in carbonated soft drink bottles. Take a look at the bottom of your soft drink bottle and you will most likely find a number 1 there. PET is also used to make bottles for water, juice, sports drinks, beer, mouthwash and salad dressing. You can also find it on your food jars for peanut butter, jam, jelly, and pickles as well as in microwavable food trays.

PET is globally recognized as a safe, recyclable packaging material. Numerous tests have created a broad scientific consensus that PET is non-toxic and is a safe material for the storage of food and beverages. It is intended for single use applications; repeated use increases the risk of leaching and bacterial growth. PET plastic is difficult to decontaminate, and proper cleaning requires harmful chemicals. Polyethylene terephthalates may leach carcinogens.


PET plastic is recyclable and about 25% are recycled. The plastic is crushed and then shredded into small flakes which are then reprocessed to make new PET bottles, or spun into polyester fiber. This recycled fiber is used to make textiles such as fleece garments, carpets, stuffing for pillows and life jackets, and similar products.

Products made of #1 (PET) plastic should be recycled but not reused.

For More Details about Plastics Click  Here

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