exposed to the intense heat of a closed vehicle, the structural integrity of the plastic begins to undergo subtle changes.
Heat accelerates molecular movement. As the plastic warms up, the bonds within the polymer can loosen. While the bottle will not melt into a puddle at standard summer temperatures, the softening of the plastic can allow microscopic compounds used in the manufacturing process to transfer into the liquid inside. This process is known as leaching.
The Taste and Quality Factor
Have you ever taken a sip from a bottle that
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