Hardness conversion Shaw hard comparison table
Shore hardness D | Shore hardness C | Shore hardness A | Polymer type |
90 | Hard molding | ||
86 | |||
83 | Medium hardness plastic | ||
80 | |||
77 | |||
74 | |||
70 | |||
65 | 95 | ||
60 | 93 | 98 | Flexible plastic |
55 | 89 | 96 | |
50 | 80 | 94 | |
42 | 70 | 90 | |
38 | 65 | 86 | rubber |
35 | 57 | 85 | |
30 | 50 | 80 | |
25 | 43 | 75 | |
20 | 36 | 70 | |
15 | 27 | 60 | |
12 | 21 | 50 | |
10 | 18 | 40 | |
8 | 15 | 30 | |
6.5 | 11 | 20 | |
4 | 8 | 10 |
The higher the number of plastic hardness, the harder the material, and the smaller the number, the softer the material.
Shore hardness HA, HD and Shore hardness HR(R scale) plastic hardness value conversion table | |||
HA | HD | HR | species |
100 | 130 | Superhard plastic | |
99 | 129 | ||
98 | 128 | ||
97 | 127 | ||
96 | 126 | ||
95 | 125 | ||
94 | 124 | ||
93 | 123 | ||
92 | 122 | ||
91 | 121 | ||
90 | 120 | Rigid plastic | |
89 | 116 | ||
88 | 114 | ||
87 | 112 | ||
86 | 110 | ||
85 | 108 | ||
84 | 106 | Medium hard plastic | |
83 | 104 | ||
82 | 102 | ||
81 | 100 | ||
80 | 98 | ||
79 | 96 | ||
78 | 94 | ||
77 | 92 | ||
76 | 90 | ||
75 | 86 | ||
74 | 82 | ||
73 | 79 | ||
72 | 76 | ||
71 | 73 | ||
70 | 70 | ||
69 | 68 | ||
68 | 66 | ||
67 | 64 | ||
66 | 62 | Flexible plastic | |
98 | 65 | 60 | |
64 | 58 | ||
63 | 56 | ||
97 | 62 | 54 | |
61 | 52 | ||
96 | 60 | 50 | |
59 | 48 | ||
58 | 46 | ||
95 | 57 | 44 | |
56 | 42 | ||
94 | 55 | 40 | |
94 | 54 | 38 | |
53 | 36 | ||
52 | 34 | ||
93 | 51 | 32 | |
50 | 31 | ||
49 | -- | ||
92 | 48 | 30 | |
47 | -- | ||
46 | 29 | ||
91 | 45 | -- | |
44 | 28 | ||
43 | -- | ||
90 | 42 | 27 | |
89 | 41 | ||
88 | 40 | ||
87 | 39 | rubbers | |
86 | 38 | ||
86 | 37 | ||
-- | 36 | ||
85 | 35 | ||
84 | 34 | ||
83 | 33 | ||
82 | 32 | ||
81 | 31 | ||
80 | 30 | ||
75 | 25 | ||
70 | 20 | ||
60 | 15 | ||
50 | 12 | ||
40 | 10 | ||
30 | 8 | ||
20 | 6.5 | ||
10 | 4 | ||