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How Bubble Wrap Is Made
Popping bubble wrap is an enchanting idle pass time, isn't it? Admit it, a few of your fondest childhood reminiscences are of you popping away at a sheet of the stuff with absorbed curiosity, right? In these treasured idle moments did you ever wonder how that bubble wrap is made? Or how these perfect little pockets of air are trapped between the plastic just to your popping pleasure? Read on to find out exactly how it's all done.
First, granules of plastic are intently sprinkled onto a heated conveyor belt. This warms the plastic grains to a pliable consistency, although they still hold their shape. Think of these bits of plastic like heated chocolate chips; even when they're scorching they still keep the same form unless disturbed, at which level they grow to be liquid. So the warm plastic grains pass under a roller which squashes all of them flat. During this squashing, the individual bits of plastic get melded collectively and a thin, clear sheet of plastic emerges on the opposite side of the roller.
Now, of those sheets are used for making bubble wrap. One has the actual bubbles and the other acts as a cover to seal the air in. To form the bubbles, the primary sheet is wrapped around a cylindrical bar with little bubble formed indentations in it. As the plastic is held taut on the cylinder, suction pulls it into each little gap, shaping the bubbles by stretching plastic into the dents. This is rather a lot like whenever you poke you finger right into a taut sheet of plastic wrap and leave a dent.
Finally, the second sheet of plastic is laid on top of the first, trapping the air in the bubbles between them. A blast of hot air seals the two sheets collectively right into a single piece and voila! bubble wrap! The factory packages the bubble wrap (no stuffing required there) and ships it off. The various companies and companies that use this product everyday obtain it and package their own items in it to protect them from damage in transit.
So the following time a big package arrives at your door and also you rip it open to find it stuffed with bubble wrap, think back to the factory where that stuffing was made. And while you're indulging your interior child by playing with your noisy improvised toy, remember the straightforward process that created this wonderfully amusing material. Happy popping!
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