carbonate, aluminum hydroxide, aluminum oxide, magnesium oxide, or boric oxide. These other ingredents are added as a flux to allow for melting of the glasses at lower temperatures. mixture is melted into a liquid in a furnace to form molten glass. The molten glass can then forced into a device containing numerous small holes which are known as spinnerets. Then the emerging glass begins to cools into fibers, which are spun into yarn, the eventually into woven into sheets of fiberglass. Those sheets are then formed into the Fiberglass rod you now know.
Because fiberglass rods were able to be mass produced by machines at a faster rate than hand made Bamboo Rods, they were able to sustain much lower prices. Still to this day, they continue to be the cheaper rods choice. Fiberglass fishing rods dominated the market up until the 80's when Graphite and Fenwick to over.
By: J.Bernier
The Float Tube Fishing Forum
We're always on the fish