SDD Materials : Rohacell® 51A
(Foam plastic on the basis of polymethacrylimide)

Component Weight
Fraction 		Atomic
Fraction 		A Z (Z/A) Density
[g/cm3] 		Radiation
Length
[cm] 		Radiation
Length
[g/cm2]
C (compact) 0.556347 14 12.0107 6. 0.49954 2.265 18.85 42.70
H2 0.033349 10  1.00794 1. 0.99212 0.0000899 731000. 61.28
O2 0.317617 6 15.9994 8. 0.50019 0.001330 25740. 34.24
N2 0.092686 2 14.0067 7. 0.49976 0.001165 32622. 37.99
Polymethacrylimide (1)
[CH3-CH2-COOCH3-N-(CO)2-N-C6H2-(CO)2]n 		    13.0957 6.5612 0.50102 0.052 ( 2 ) 760.4286 39.5423

Calculation performed using the method described here and imposing the density.

For the Material Safety Data Sheet see here

 
 
 
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