Muon radiative energy loss (in 1.0E06 cm^2/g) in Polyvinyl butyral [C%8#H%13#0%2#]%n# with Z/A = 0.54537 (f12.0,4f12.4) E (GeV) b_brem b_pair b_nucl b_total 2. 0.2459 0.1062 0.4753 0.8275 5. 0.3336 0.2638 0.5024 1.0999 10. 0.4066 0.4015 0.4870 1.2951 20. 0.4838 0.5518 0.4642 1.4999 50. 0.5894 0.7630 0.4394 1.7919 100. 0.6691 0.9129 0.4272 2.0092 200. 0.7440 1.0514 0.4210 2.2165 500. 0.8335 1.1953 0.4200 2.4489 1000. 0.8913 1.2839 0.4268 2.6020 2000. 0.9394 1.3467 0.4383 2.7244 5000. 0.9877 1.4023 0.4598 2.8499 10000. 1.0136 1.4286 0.4816 2.9238 20000. 1.0320 1.4452 0.5072 2.9843 50000. 1.0479 1.4582 0.5473 3.0533 100000. 1.0550 1.4635 0.5819 3.1004