Нейлон — история, структура, свойства и применение

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PA6 / PA66Families

1938 stockingsIcon

220–260 °CTm

Loses modulusWet

Melt-dripFire

textilesFamily

Нейлон is one of 32 materials in this atlas, grouped under textiles: history, structure, measured properties, process routes, uses, safety and market — not a product catalogue.

Scores compare Нейлон with the rest of the atlas on strength, heat, fire behaviour, insulation, workability and circularity. They are editorial, not certificates.

Seven chapters follow. Fire and insulation claims name test families (Euroclass, ASTM E84, ISO 5660, KS F) rather than inventing a single safety number.

Глубокое введение

Deep dive: Нейлон

Нейлон (PA6 / PA66) is a family of grades whose density ~1.14 g/cm³, heat band PA6 ~220 °C; PA66 ~260 °C, and fire letter combustible, melt-drip.

What “the material” actually is

Нейлон is sold as grades, not as a single substance. Chemistry PA6 / PA66, density ~1.14 g/cm³, heat band PA6 ~220 °C; PA66 ~260 °C.

This atlas treats Нейлон as a system: mill route, coatings, tests and the cavity it sits in.

Heat, fire and insulation

Conductivity note: low. Insulation score 30/100 is relative to 32 entries — metals lose, VIPs and aerogels win.

Fire letter in editorial use: combustible, melt-drip. Do not equate A1 with “safe in a blaze” or E with “illegal”. Assemblies decide.

How it is made and used

Origin: DuPont 1935–38, United States. The process chapter follows feedstock → conversion → forming → finish → install.

Uses span buildings to defence / safety. Pairings matter: polyester.

Market and circularity

Producers below are landmarks, not an endorsement ranking. Prices are bands, not live quotes.

Circularity mark 32/100. Ask which scrap, which certificate, which year.

Профиль

Прочность 70

Жаростойкость 46

Пожарные свойства 26

Теплоизоляция 30

Обрабатываемость 84

Цикличность 32

Частые вопросы

Is Нейлон non-combustible?

Declared reaction class in this atlas: combustible, melt-drip. Assemblies still need resistance tests.

Does Нейлон insulate?

Thermal mark 30/100 versus the atlas. Conductivity note: low.

What is the density band?

~1.14 g/cm³

How is it made?

Origin story: DuPont 1935–38 (United States).

Can it be recycled?

Circularity mark 32/100 — editorial, route-specific.

Typical melting or failure heat?

PA6 ~220 °C; PA66 ~260 °C

What should it be paired with?

polyester: The cheaper filament that took shirts.

Where is it specified?

Buildings, transport, energy and consumer goods — see the uses chapter.

Иконы

Wallace Carothers

United States · 1935

Wallace Carothers is a reference point in the public image of Нейлон.

Нейлон stockings

United States · 1939

Нейлон stockings is a reference point in the public image of Нейлон.

Parachute

Allied · WWII

Parachute is a reference point in the public image of Нейлон.

PA6 fishing net

Global · 20th c.–

PA6 fishing net is a reference point in the public image of Нейлон.

Climbing rope kernmantle

Europe · 1960s–

Climbing rope kernmantle is a reference point in the public image of Нейлон.

Airbag cushion

Global · 1990s–

Airbag cushion is a reference point in the public image of Нейлон.

Tyre cord

Global · 1950s–

Tyre cord is a reference point in the public image of Нейлон.

Toothbrush bristle

United States · 1938

Toothbrush bristle is a reference point in the public image of Нейлон.

Включайте и выключайте иконы — каждый столбец масштабируется к лидеру выбора.

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