[ELI5] How can we use Vinyl for siding when Vinyl records warp?

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Wouldn’t the heat and the climate change impact the look of it? I think this should be a chemistry/engineering post

In: Chemistry

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Anonymous 0 Comments

Probably not climate change but more any local temperature, humidity issues. The primary difference is structure and composition.

“vinyl” is a layman’s term and non descriptive of the kind of plastic material used. There are thousands of different plastic materials. Highly engineered plastics are also usually “filled” in that there is other stuff aside from the plastic itself. For example, glass fiber or carbon and other chemicals that decrease degradation from UV light. These are used to improve things like strength, rigidity etc.

The problem with a vinyl record is that it is simply flat. This provides nearly no structural resistance to warping (ie potato chipping). Any engineered piece will typically have reinforcement braces, webs and edges wrapped or turned. A host of structures to ensure that the part does not display unwanted characteristics.

EDIT: In a sense you are comparing a sheet of paper with a corrugated cardboard box. A sheet of paper crumples and tears easily whereas the box can hold a fair bit of weight. They’re both made out of “paper” but hardly comparable.

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