Atomic and nuclear properties of materials:
Nylon (type 6, 6/6) [CH(CH₂)₅NO]_n

Quantity	Value	Units	Value	Units
<Z/A>	0.54790
Specific gravity	1.18	g cm-3
Minimum ionization	1.973	MeV g-1cm2	2.328	MeV cm-1
Nuclear collision length	57.5	g cm-2	48.77	cm
Nuclear interaction length	81.6	g cm-2	69.16	cm
Radiation length	41.92	g cm-2	35.52	cm
Critical energy	90.26	MeV (for e-)	87.86	MeV (for e+)
Molière radius	9.85	g cm-2	8.345	cm
Plasma energy	23.17	eV
Muon critical energy	1157.	GeV

Composition:

Elem	Z	Atomic frac*	Mass frac*
H	1	11.00	0.097976
C	6	6.00	0.636856
N	7	1.00	0.123779
O	8	1.00	0.141389
* calculated from mass fraction data.

Explanation of some entries
For muons, dE/dx = a(E) + b(E) E. Tables of b(E): PS PDF TEXT
Table of muon dE/dx and Range: PS PDF TEXT