|
Hardness Comparison Chart
Tread Material
|
Durometer
|
Scale
|
| Soft Tread Rubber |
70-80
|
A |
| Phenolics |
145-150 |
R |
| Polyurethane |
90-100 |
A |
| Soft Polyurethane |
80-90 |
A |
| Hard Polyurethane |
70 |
D |
| Rubber |
65-75 |
A |
| Aluminum Core/Rubber |
70-80 |
A |
| Softech |
70 |
A |
| Neoprene |
65-75 |
A |
| Pneumatic |
55-60 |
A |
| |