Fabric labels often have abbreviations and some of these generally accepted abbreviations are for non-English words. So here is a handy little reference chart showing what all those abbreviations mean. Please comment if any are missing.
AB – Abaca
AC – Acetate
AF – Other fibres
AG – Alginate
AL – Alfa
AR – Aramid
AS – Asbestos
CA – True hemp
CC – Coir
CL – Chlorofibre
CMD or MD – Modal
CLY or MY – Lyocell
CO – Cotton
CU – Cupro
CV or VI – Viscose
EA or EL – Elastane/Spandex
FL – Flourofibre
GI – Broom
GL – Glass fibre
HA – Hair or Hemp
HE – Henequen
HL – Cotton linen / pure cotton warp – pure flax
HR – Cattle hair
HS – Horsehair
HZ – Common goat hair
JU – Jute
KE – Kenaf
KP – Kapoc
LI – Flax / linen
MA – Modacrylic
ME – Metal fibre/ Metallic
MG – Maguey
PA – Polyimide / Nylon®
PB – Polycarbamide
PC – Acrylic
PE – Polyethylene
PES or PL or PBT – Polyester
PI – Paper Yarn
PM – Polyimide or polyester
PP – Polypropylene
PR – Protein
PU or PUR – Polyurethane
RA – Ramie
SE Silk
SI – Sisal
SN – Sunn
TA – Triacetate
TR – Mixed fibres / unspecified textile composition
TV – Trivinyl
VY – Vinylal
WA – Angora
WB – Beaver
WC – Cashgora
WG – Vicuna
WK – Camel
WL – Llama
WM – Mohair (Goat) Wool
WO – Wool (Sheep by default)
WP – Alpaca
WS – Cashmere Goat a.k.a. Kaschmir and Cachemire and (incorrectly) Kashmir
WT – Otter
WU – Guanaco
WV – Fleece wool / virgin wool
WY – Yak
