Posted 06 October 2015 - 0636 AM
Rolf Hilmes, a German official (exactly the official who would have run the tests) and part-time author, did not publish the actual test results, but chose to repeat what he called figures from the internet (apparently not oo far off):
turret front 280-380 mm
upper glacis 400 mm
lower glacis 280 mm
turret front 490 mm
upper glacis 490 mm
lower glacis 250 mm
Acording to him the T-72M has in the nose monochrome cutaway photo was included)
outer plate 80 mm Panzerstahl (RHA or HHA, translation unclear)
two middle layer, total 105 mm fibreglass
inner layer 20 mm Panzerstahl (most likely rather ductile RHA for less spalling)
sloped by 22° for a line of sight (NOT RHAeq) of 355 mm. 335 mm for turret front.
T-72: 52% mass share for armour structure (Leopard 2: 48%)
He assumed publicly that later versions of the T-72 with reactive armour exceed the protection of a Leopard 2 A1.
source Rolf Hilmes, "Kampfpanzer", 1st ed. 2007
Any claims that deviate much from these protection ratings or describe a different T-72M glacis armour would almsot certainly be incorrect.