Buildings
Structure, lining, insulation or finish depending on family.
聚酯 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.
行业
Transport
Mass, fire and fatigue rewrite the grade list.
Energy
Heat, voltage and hydrogen compatibility.
Consumer
The volume that pays for the mill.
Medical / food
When allowed — extractables and allergies matter.
Defence / safety
Ballistics, FR clothing, fire stops.
产品
Terylene
1941–
Dacron sailcloth
1950s–
Polar fleece
1980s–
PET bottle
1973–
Suiting blend
1960s–
Seat belt HT
1960s–
Geotextile
1970s–
rPET jersey
2000s–
配对
nylon
The polyamide rival: tougher wet, different dye class.
cotton
The blend that made drip-dry shirts.
polyethylene
Olefin cousin, different melting and hand.
aramid
When polyester’s melt-drip is unacceptable.
If the pairing is wrong, the material will be blamed for a system fault.