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300 Gram |
Negotiable |
High purity Amporphous element boron powder boron powder high purity boron powder
1,high purity: 99%,99.9%,99.99% and partical size can be 0.5μm,1μm,5μm,10μm,20μm,50μm......or made to order as requesd;
2, superb quality and competitive price;
3, sample for free;
4, small order can be accepted.
Physical and chemical properties:
Appearance |
purity |
Moh'sHardness |
Specific gravity |
fire point |
melting point |
Boiling point |
Dark powder |
99% |
9.3 |
1.75 |
700OC |
2160OC |
2700OC |
Dark granule |
99% |
9.3 |
1.75 |
900OC |
2360OC |
2700OC |
Appearance |
specific heat |
coefficient ofexpansion |
EC |
electrical resistivity |
||
Dark powder |
1.294j/g |
2×10-6 |
600OC,EC100 times |
1.8×10125μS/cm |
||
Dark granule |
Superiority:
1、High purity
2、High uniformity of particles,high quality
3、Safe storage for a long time
purity: 99%testing method: ICPMStesting resultFe: 10Au: 0.1AG: 0.1Cu: 0.05Sn: 0.2Mg: 0.01Mn: 8Pb: 0.2Li: 0.1
purity: 99.99%testing method: ICPMSFe: 150Au: 0.2Ag: 0.05Cu: 25Sn: 0.3Mg:2.6Mn: 7.8Pb: 0.05Li: 0.6
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