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Cellulose Fibers

More than one hundred years is a long time. But at Weyerhaeuser, we think it's just the beginning. We look to the future and see uses for cellulose fibers that we could never have imagined.

Weyerhaeuser Cellulose Fibers

Did You Know?

In 1934, cellulose acetate film was introduced as a more stable film than earlier nitrate versions. Filmmakers around the world still use this stock today.

Lego, founded in 1932, means "play well" in Danish. The first Legos were created from cellulose acetate, and everyone thought they would never replace wooden toys. Little did they know that Legos would become one of the world's most popular toys for children and adults alike.