Process energy / dust
Mills, fibres, isocyanates, metal fume or silica — name the actual agent.
Safety here is encyclopedia, not a workplace assessment. Name the agent: dust, isocyanate, fibre, fume, moisture, fire.
Fire class combustible, melt-drip is reaction language unless an assembly test is cited.
Опасности
In service
Corrosion, moisture, UV or creep silently retire sections.
Fire products
Smoke, drip, fibres or toxicants depend on chemistry.
Cut / puncture
Handling injuries are more common than brochure failures.
Mis-specification
The wrong grade is the most expensive hazard.
Класс пожара
Reaction
combustible, melt-drip
Resistance
Assemblies (EI, R, Type X) are not implied by the material letter.
Test families
EN 13501, ASTM E84, ISO 5660, KS F 2271 — they do not equal each other.
People vs structure
Clothing FR and steel R-ratings are different professions.
Среда
Carbon / energy
Primary production is energy-heavy; ask for a route, not a slogan.
Toxics / fibres
Additives, dusts and processing aids (not always the polymer backbone) drive regulation.
Water
Process water, leachate or moisture swelling.
End of life
Sortability beats theoretical recyclability.
Обращение
Store dry and labelled
Grade mix-ups scrap lots.
PPE for the actual agent
Fibres, isocyanates, UV, sharp edges — not a generic “chemicals” pictogram.
Do not improvise fire class
Coatings and cavities change the letter.
Follow the WPS / DFT / compression
Installation is in the specification.
Codes move. Recheck KS, JIS, EN, NFPA and IBC editions for the job’s jurisdiction.
Продолжить
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Хлопок
Целлюлоза семенного волоска, одевшая промышленную революцию.
Итого 44 🐑Шерсть
Кератин с извитостью, держащий неподвижный воздух.
Итого 53 🦋Шёлк
Животная нить на километры: роскошь, швы, биошаблон.
Итого 41 🎽Полиэстер
Господствующий полимер одежды: ПЭТ из бутылок, быстро сохнет, микроволокна.
Итого 49 🦺Арамид
Ароматический полиамид: бронепакеты, горячая фильтрация, замена асбеста.
Итого 62