One of the best materials for knife is Zytel, a product manufactured by Dupont. The technical description of Zytel Dupont says, "is a family of nylon polymers for a range of professional products for the supply of components, such as harsh environments, withstands aggressive chemicals, flame, heat, cold and too wet, moisture design provides. "
Less commercially described, Zytel nylon material often with fiberglass for added strength and resistance to increasedsolvents. It holds up well in extreme conditions and is extremely tough and resists corrosion. It can survive for long periods in salt-water conditions which makes it a good choice for knife handles used by the Navy SEALs. Another feature important to the SEALs is that it does not become slippery when wet.
Zytel knives have been created for the Central Intelligence Agency for covert military operations and continue to be used by various agencies for covert (black) ops. In addition to the SEALs, Zytel knives are also used by the Green Berets.
Zytel is extremely popular for knife handles, including knives made by Gerber, Benchmade and SOG, because it is extremely light-weight; it weighs less than one-fourth as much as steel. Other reasons Zytel is one of the most popular materials for knife handles are that it doesn't expand or contract in heat or cold, and it won't become scratched or discolored with heavy use. Zytel naturally has a slightly textured surface, but knife companies will usually add more texture to help gripping and holding.
For manufacturers, Zytel is popular because it can be injection molded which helps keep costs down even though it is more expensive than some other materials. It is also available in many different grades.
It's little wonder Zytel was chosen for the handles of the SOG SEAL Knife and the SEAL Pup. It was created for both strength and durability. It has proven to be both durable and maintenance free, and it definitely makes a knife more affordable. Because of its many features and affordability, it is likely to reaming a very popular material for knife handles for both every-day users and well as Navy SEALs and other special forces for years to come.
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