Atomic and nuclear properties of materials:
Polychlorostyrene (C₁₇H₁₈C_l2)_n

Quantity	Value	Units	Value	Units
<Z/A>	0.52518
Specific gravity	1.30	g cm-3
Minimum ionization	1.859	MeV g-1cm2	2.417	MeV cm-1
Nuclear collision length	60.7	g cm-2	46.67	cm
Nuclear interaction length	87.8	g cm-2	67.51	cm
Radiation length	33.52	g cm-2	25.78	cm
Critical energy	68.19	MeV (for e-)	66.35	MeV (for e+)
Molière radius	10.42	g cm-2	8.018	cm
Plasma energy	23.81	eV
Muon critical energy	910.	GeV

Composition:

Elem	Z	Atomic frac*	Mass frac*
H	1	18.00	0.061869
C	6	17.00	0.696325
Cl	17	2.00	0.241806
* 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