Atomic and nuclear properties of materials:
Nylon type 11 Rilsan (C₁₁H₂₁ON)_n [CH(CH₂)₁₀NO]_n

Quantity	Value	Units	Value	Units
<Z/A>	0.55649
Density	1.42	g cm-3
Mean excitation energy	61.6	eV
Minimum ionization	1.997	MeV g-1cm2	2.845	MeV cm-1
Nuclear collision length	57.0	g cm-2	39.99	cm
Nuclear interaction length	80.4	g cm-2	56.41	cm
Pion collision length	84.5	g cm-2	59.33	cm
Pion interaction length	112.3	g cm-2	78.83	cm
Radiation length	42.96	g cm-2	30.15	cm
Critical energy	93.35	MeV (for e-)	90.85	MeV (for e+)
Molière radius	9.76	g cm-2	6.849	cm
Plasma energy	25.66	eV
Muon critical energy	1193.	GeV

Composition:

Elem	Z	Atomic frac*	Mass frac*
H	1	21.00	0.115476
C	6	11.00	0.720819
N	7	1.00	0.076417
O	8	1.00	0.087289
* 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