How Crash Ratings Are Determined
Department of State (DOS)
15,000lbs vehicle striking the K rated product at a 90 degree angle
Test Speed
K4 = 30mph
K8 = 40mph
K12 = 50mph
Penetration After Impact
L3 = 0' - 3'
L2 = 3' - 20'
L1 = 20' - 50'
American Society for Testing Materials (ASTM)
15,000lbs vehicle striking the K rated product at a 90 degree angle
Test Speed
M30 = 30mph
M40 = 40mph
M50 = 50mph
Penetration After Impact
P1 = 0' - 3.3'
P2 = 3.31' - 23'
P3 = 23.1' - 98.4'