TI: impact toughness ( the number is bigger, the hardness of diamond is better.)
TTI: thermal impact toughness ( the number is bigger, the thermal stability of the diamond is better).
Note: We suggest that you can choose the suitable diamond grade for your usage according to TI & TTI value.
Grade |
|
30/35 |
35/40 |
40/45 |
45/50 |
50/60 |
60/70 |
70/80 |
MBD4 |
TI |
56 |
70 |
62 |
69 |
65 |
62 |
66 |
TTI |
45 |
52 |
45 |
57 |
58 |
52 |
54 |
MBD6 |
TI |
68 |
76 |
70 |
75 |
70 |
70 |
72 |
TTI |
61 |
67 |
58 |
68 |
65 |
62 |
62 |
MBD8 |
TI |
72 |
79 |
72 |
78 |
74 |
75 |
74 |
TTI |
66 |
72 |
62 |
71 |
68 |
65 |
65 |
MBD10 |
TI |
78 |
82 |
74 |
80 |
76 |
76 |
76 |
TTI |
71 |
75 |
67 |
74 |
70 |
68 |
68 |
MBD12 |
TI |
82 |
86 |
78 |
82 |
78 |
78 |
78 |
TTI |
76 |
80 |
70 |
76 |
72 |
71 |
71 |
SMD25 |
TI |
86 |
90 |
80 |
84 |
80 |
80 |
80 |
TTI |
80 |
84 |
73 |
78 |
75 |
74 |
74 |
SMD30 |
TI |
88 |
92 |
82 |
86 |
/ |
/ |
/ |
TTI |
86 |
88 |
76 |
80 |
/ |
/ |
/ |
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