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一.The green carborundum whets to anticipate the chemistry composition
(GB/T2480-1996)
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Card number |
A scope |
Chemistry composition% |
SiC |
F.C |
Fe2O3 |
GC |
20#-90# |
99.0 |
<0.20 |
<0.20 |
100#-150#
P120-P150 |
98.5 |
<0.25 |
<0.50 |
180#-220#
P180-P220 |
97.5 |
<0.25 |
<0.70 |
W63-W20
P240-P1000 |
97.0 |
<0.30 |
<0.70 |
W14-W10
P1200 |
95.5 |
<0.40 |
<0.70 |
W7-W5 |
94.0 |
<0.50 |
<0.70 |
GC-B
GC-P |
20#-90#
P12-P100 |
98.5 |
<0.25 |
<0.25 |
100#-150#
P120-P150 |
98.0 |
<0.30 |
<0.55 |
180#-220#
P180-P220 |
97.0 |
<0.30 |
<0.80 |
W63-W20
P240-P1000 |
96.5 |
<0.35 |
<0.80 |
W14-W10
P1200 |
94.5 |
<0.45 |
<0.80 |
W7-W5 |
93.0 |
<0.60 |
<0.80 |
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Magnetism thing content |
A degree |
Content% |
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|
F36-F60 |
|
F70-F120 |
|
F150-F240 |
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