Atomic and nuclear properties of materials:
Polyvinylacetate [CH₂CHOCOCH₃]_n

Quantity	Value	Units	Value	Units
<Z/A>	0.53432
Density	1.19	g cm-3
Mean excitation energy	73.7	eV
Minimum ionization	1.911	MeV g-1cm2	2.275	MeV cm-1
Nuclear collision length	58.4	g cm-2	49.06	cm
Nuclear interaction length	83.5	g cm-2	70.17	cm
Pion collision length	85.8	g cm-2	72.11	cm
Pion interaction length	115.4	g cm-2	97.01	cm
Radiation length	39.94	g cm-2	33.56	cm
Critical energy	83.65	MeV (for e-)	81.42	MeV (for e+)
Molière radius	10.12	g cm-2	8.507	cm
Plasma energy	22.98	eV
Muon critical energy	1083.	GeV

Composition:

Elem	Z	Atomic frac*	Mass frac*
H	1	6.00	0.070245
C	6	4.00	0.558066
O	8	2.00	0.371689
* 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