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https://www.whgraphitesupplier.com/products/high-purity-graphite-block/

High purity graphite is graphite with carbon content greater than 99.99%, which is widely used in military industrial pyrotechnic material stabilizer, advanced refractory material in metallurgical industry and catalyst and additive in chemical fertilizer industry.

HIGH PURITY GRAPHITE BLOCK SIZE & WEIGHT
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GradeSpecificationsReference Weight
MMKG
WH-4550*410*250115
650*530*250169
940*320*270160
940*320*320183
WH-4B510*310*25082
 510*310*310102
620*520*250172
900*580*250245
WH-4L350*350*18041
350*350*20046
460*390*17057
460*390*20065
510*310*21062
700*500*200132
WH-5550*410*250120
650*530*250172
940*320*320192
WH-6550*410*210105
610*510*210131
660*210*15045
660*210*21061
WH-7550*410*250115
650*530*210137
650*530*250173
940*320*320186
1050*600*310430
1080*350*350240
1160*1160*270695
1250*650*270430
1600*650*310640
1850*600*340730
2350*650*3201150
WH-9550*410*250113
650*530*250170
940*320*320185
WH-8550*410*250123
940*320*320193
1250*650*270470
WH-8S550*410*250121
650*530*250180
940*320*320191
WH-10550*410*250110
650*530*250160
940*320*320175
WH-10L620*520*250175
580*500*200107
900*580*250250
WH-12620*520*250172
580*500*200105
900*580*250250
WH-100580*500*200128
900*580*250257
WHJ-10（600-1900）*650*350/
WH-P11280*1280*235720
WH-5Φ 560*520285
WH-7Φ700*700540
Φ840*750830
Φ880*750925
Φ940*7501030
Φ940*8501130
Φ970*9001345
Φ1120*350630
Φ1120*10001860
Φ1200*10002100
Φ1350*10802650
WH-8Φ620*630415

HIGH PURITY GRAPHITE BLOCK GRADE AND INDICATOR
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GradeDensityERConductivityCTEHardnessFlexuralStrengthPorosityAshPartical
g/cm³μΩmW/m﹒k10-6/℃HSDMpaMpa%PPMmicron
WH-41.76 8~111155.46423865175013~15
WH-4B1.78 13~151255.6564551101350013~15
WH-4L1.80 8~111254.94540801650013~15
WH-51.85 8~111354.75484685135013~15
WH-61.90 8~101355.153559511508~10
WH-71.80 11~131155.6655111512508~10
WH-81.90 11~131155.85706013511508~10
WH-8S1.90 11~131006.2727316211505
WH-91.83 11~131005.8706514011506~8
WH-101.70 13~14905.6513886185013~15
WHJ-101.80 14~161175.57062129122008~10
WH-10L1.80 14~161195.897377135141007~9
WH-1001.91 11~131324.65768517510506~8
WH-121.77 14~161165.3666599171007~9
WH-P11.8512~141195.25547891320015~18

HOW TO MAKE HIGH PURITY GRAPHITE BLOCK
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In the production of high purity graphite, raw materials with low ash content are the chosen objects. The content of high purity graphite impurities must be strictly controlled, and the method of high temperature control impurities should be adopted.

Under high temperature processing, a lot of oxides of impurity objects in high purity graphite will keep evaporation and decomposition, and then extract high purity graphite by improving the graphite rod current density, and finally pass into the purification gas, like some freon and chlorine, so that you can quickly decompose the solid impurities in high purity graphite.

ADVANTAGES OF HIGH PURITY GRAPHITE BLOCK
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01
High purity graphite block, high carbon content, with complete flake crystal, thin sheet.

02
Good thermal conductivity, high temperature resistance and corrosion resistance.