01 Feedstock
Ore, monomer, fibre, mineral or scrap that can legally become 天然ゴム.
Making 天然ゴム is a chain: feedstock, conversion (Mesoamerican use / Goodyear 1839 / Wickham 1876), forming, heat, finish, install.
Skip a step and the properties chapter is describing a different object.
工程
02 Conversion
Mesoamerican use / Goodyear 1839 / Wickham 1876
03 Forming
Cast, spin, weave, sinter, foam, laminate or coat — the step that sets anisotropy.
04 Heat / cure
Temper, vulcanise, calcine or dry: skip it and the datasheet is fiction.
05 Finish
Coatings, sizings, facers, galvanizing, anodising, painting.
06 Install
Fasteners, adhesives, DFT, compression, dryness — site quality is a material property.
経路
Primary
Virgin route around Amazonia → Malaysia.
Recycled / secondary
Recycling exists but quality or energy often disappoints.
Specialty
High-spec grades leave the commodity mill.
Site-applied
Coatings, sprays, casts — the factory is sometimes a jobsite.
図解
天然ゴム process path
Feedstock to installed product.
- Feed — in
- Convert — mill
- Form — shape
- Finish — coat
- Install — out
- Spec — code
- Scrap loop — rec
天然ゴム heat & fire
Energy in, class out.
- Heat — in
- Natural rubb — mat
- λ / char — out
- Ignition — fire
- Euroclass — class
- Assembly — sys
限界
Envelope
Melting/softening elastomer; decomposes on heat; conductivity ~0.15 W/m·K.
Environment
Moisture, UV, chlorides, alkalis or oxygen — pick the one that actually kills 天然ゴム.
Code
Fire class combustible; tyres are a fire load is a starting letter, not a wall rating.
Process energy and scrap quality belong in the carbon passport, not in a footnote.