What is the thermal conductivity of various 3D printing filaments?
All values are in W/(m*K).


PLA: 0.13
HIPS: 0.20
ABS: 0.25
PETG: 0.29
PEEK: 0.25
PLA with copper: 0.25 (see discussion) 
PETG with 40% graphite: 1.70 (ansiotropic)
TCPoly: 15
Steel (not a 3dprintable plastic): 10 - 50