Q:

Is glue made from horses?

A:

Quick Answer

Most modern glues do not contain horse or other animal by-products. Before the mid 1900's, glue contained animal components. Modern glue is entirely synthetic because it is generally a better, longer lasting and socially acceptable product.

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Full Answer

The protein collagen, found in the connective tissues of all animals, was the original component of glue and adhesives. As large muscular animals, horses contain a large amount of collagen. Before the industrial revolution, horses were readily available and ideal for glue production. For the few animal-based glues available today, the collagen is collected from pigs and cattle that were already being butchered for other purposes.

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