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Technical document

Hardness conversion Shaw hard comparison table

2017-02-08 11:53:25 hooren

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

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