Арамид — история, структура, свойства и применение

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PPTA para-aramidStar

~500 °CDecomp

Chars, little meltFire

Kevlar 29/49Icon

Ballistics / compositesUse

textilesFamily

Арамид 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 Арамид 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: Арамид

Арамид (PPTA (para) / meta-aramid cousin Nomex) is a family of grades whose density ~1.44 g/cm³, heat band does not melt; decomposes ~500 °C, and fire letter inherently FR vs commodity PA.

What “the material” actually is

Арамид is sold as grades, not as a single substance. Chemistry PPTA (para) / meta-aramid cousin Nomex, density ~1.44 g/cm³, heat band does not melt; decomposes ~500 °C.

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

Heat, fire and insulation

Conductivity note: low radial; fibre anisotropic. Insulation score 36/100 is relative to 32 entries — metals lose, VIPs and aerogels win.

Fire letter in editorial use: inherently FR vs commodity PA. Do not equate A1 with “safe in a blaze” or E with “illegal”. Assemblies decide.

How it is made and used

Origin: DuPont 1965 Kwolek, United States. The process chapter follows feedstock → conversion → forming → finish → install.

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

Market and circularity

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

Circularity mark 38/100. Ask which scrap, which certificate, which year.

Профиль

Прочность 94

Жаростойкость 82

Пожарные свойства 80

Теплоизоляция 36

Обрабатываемость 40

Цикличность 38

Частые вопросы

Is Арамид non-combustible?

Declared reaction class in this atlas: inherently FR vs commodity PA. Assemblies still need resistance tests.

Does Арамид insulate?

Thermal mark 36/100 versus the atlas. Conductivity note: low radial; fibre anisotropic.

What is the density band?

~1.44 g/cm³

How is it made?

Origin story: DuPont 1965 Kwolek (United States).

Can it be recycled?

Circularity mark 38/100 — editorial, route-specific.

Typical melting or failure heat?

does not melt; decomposes ~500 °C

What should it be paired with?

nomex: The meta-aramid fire cousin.

Where is it specified?

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

Иконы

Stephanie Kwolek

United States · 1965

Stephanie Kwolek is a reference point in the public image of Арамид.

Kevlar vest

United States · 1970s–

Kevlar vest is a reference point in the public image of Арамид.

Twaron

Netherlands / JP · 1978–

Twaron is a reference point in the public image of Арамид.

F1 fuel tank

Global · 1980s–

F1 fuel tank is a reference point in the public image of Арамид.

Sailing cables

Global · 1990s–

Sailing cables is a reference point in the public image of Арамид.

Hot-gas filter bag

Global · 1980s–

Hot-gas filter bag is a reference point in the public image of Арамид.

Brake pulp

Global · 1990s–

Brake pulp is a reference point in the public image of Арамид.

Helmet shell hybrid

Global · 2000s–

Helmet shell hybrid is a reference point in the public image of Арамид.

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

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