Buildings
Structure, lining, insulation or finish depending on family.
Natural rubber · Cis-1,4-polyisoprene from Hevea — tyres still drink most of the world’s latex.
Natural rubber earns its keep in systems: a beam, a batt, a fibre blend, a coated steel — rarely a lone coupon.
Products below are cultural landmarks as much as SKUs.
Structure, lining, insulation or finish depending on family.
Mass, fire and fatigue rewrite the grade list.
Heat, voltage and hydrogen compatibility.
The volume that pays for the mill.
When allowed — extractables and allergies matter.
Ballistics, FR clothing, fire stops.
1839
1888
1898
20th c.
1928
1950s–
19th c.–
18th c.–
The high-temp elastomer NR cannot be.
Another C-H chain, thermoplastic not elastic.
Tyre cord partner.
Bead wire and belts in radial tyres.
If the pairing is wrong, the material will be blamed for a system fault.
The world’s volume plastic — bags, bottles, pipes and the UHMWPE cousin in medical and ballistic fibre.
Overall 40 🍳Plunkett’s slippery fluoropolymer — non-stick, chemical linings and a high-temp plastic that still has a fire-and-fume story.
Overall 41 🫧Si–O backbone elastomers and resins — bakeware, medical tubing, façade sealants and a kinder high-temp story than carbon chains.
Overall 55