In a research note, Roberts notes that
Corning (ticker: GLW) is the global leader in applications of glass as a specialty material—which is to say, the company doesn’t make window glass, containers, or fiberglass.
“The unique optical, thermal, and chemically-inert properties of glass make it the only solution for applications like optical signal transmission, etching electronics on transparencies, protecting mobile devices from drops, providing a catalytic surface for car exhaust emission control, and pharma packaging and cell-culture production equipment,” he writes. “The company is continually reinventing itself as new applications replace older ones.”
More than 20% of Corning’s sales are from products growing much faster than their end markets, he notes—that includes Gorilla and related mobile-cover glass, materials for autos, and pharmaceutical uses. He says there is “no end in sight” for growth in optical fiber, which is used in 5G and data centers, and laptop and television display glass.
Glass is “an unusually high-margin materials business,” the analyst says, noting that “inexpensive sandlike minerals are the largest raw materials, along with the energy to melt them into liquids during processing.”
Corning’s gross margins are around 40%, among the highest of the companies Roberts covers.