Muon radiative energy loss (in 1.0E06 cm^2/g) in Rubber neoprene (C%4#H%5#Cl)%n# with Z/A = 0.51956 (f12.0,4f12.4) E (GeV) b_brem b_pair b_nucl b_total 2. 0.3725 0.1696 0.4583 1.0005 5. 0.5063 0.4178 0.4857 1.4098 10. 0.6160 0.6233 0.4718 1.7111 20. 0.7307 0.8430 0.4507 2.0243 50. 0.8847 1.1543 0.4275 2.4666 100. 0.9986 1.3719 0.4161 2.7867 200. 1.1051 1.5730 0.4105 3.0885 500. 1.2304 1.7728 0.4097 3.4129 1000. 1.3099 1.8885 0.4163 3.6148 2000. 1.3749 1.9727 0.4274 3.7749 5000. 1.4389 2.0456 0.4479 3.9325 10000. 1.4726 2.0800 0.4687 4.0213 20000. 1.4964 2.1017 0.4931 4.0912 50000. 1.5159 2.1191 0.5312 4.1661 100000. 1.5250 2.1261 0.5640 4.2150