What do the symbols on a plastic bottle mean?

Answer In 1988, the Society of the Plastics Industry Inc. introduced a numerical coding system for plastics that tells consumers the type of plastic used in the container. These numbers, ranging from 1 to... Read More »

Top Q&A For: What do the symbols on a plastic bottle mean

I put some hot water in a plastic bottle and my bottle shrank is there anyway that I could I shrink it?

What has happened is that your bottle has collapsed, because your putting hot liquid in it and then putting on a lid created a vacuum. This has been demonstrated millions of times in junior high sc... Read More »

If plastic water bottle lid melted badly onto dishwasher element would other plastics absorb toxins if present Concerned about toxicitycontamination of plastic baby bottles in washer at time?

You can, however, this may cause tarnishing of any exposed copper.

What does p mean on a plastic bottle?

The "p" followed by another letter indicates where a bottle can be recycled. According to the American Chemistry Council, PP stands for polypropylene, commonly used in plastic bottles. When recycle... Read More »

Can a plastic bottle cause an explosion?

A plastic bottle by itself will not cause an explosion. If the contents inside the bottle are reactive to a change in pressure or expand rapidly, the bottle may then explode. Colgate University stu... Read More »