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China boron carbide B4C abrasives

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Order(Bag)

Negotiable
  • Category:

    Accessories&Tools/Glass Hardware

  • Price:

    Negotiate

  • Sample:

    Yes

  • Trade Terms:

    FOB,EXW,CFR,CIF,DDP,FCA

  • Payment Terms:

    L/C,T/T,D/P,Paypal

  • Package:

    25kgs/bag,1MT/bag

  • Post Date:

    2021/06/09

Product Details

 

product description

China boron carbide B4C abrasives

High hardness Boron carbide powderalso known as B4C is produced from high-temperature smelting boric acid and carbon materials in electric furnaces.
Boron carbide is with high hardness up to Mohs’ 9.3, which is the third hard material besides Diamond and CBN.

F2000F1500

Product Features:

1.      High-temperature resistance, acid-alkali resistance

2.      Boron carbide can get a bigger Neutron interception area with high Neutron absorbability.

3.      High strength, high chemical stability

4.      Low specific gravity 

Technical data sheet

TYPICAL PHYSICAL PROPERTIES:

AppearanceBlack powder
Molecular Weight(g/mol.)55.25515
Specific Heat(cal-mol-c)12.5
Knoop hardness2750
Mohs hardness9.6
Micro Hardness4950kgf/mm2
Density&phase2.52g/cm(Solid)
Melting point2350℃(2623.15K)
Boiling point>3500℃(>3773.15K)
Solubility in waterInsoluble
Crystal structureRhombohedral

Chemical composition:

Grit SizeMean Diameter in umB%C%Fe2O3B4C%
36#600-50078-8117-220.2-0.497-99
40#500-42578-8117-220.2-0.497-99
46#425-35578-8117-220.2-0.497-99
54#355-30078-8117-220.2-0.497-99
60#315-21578-8117-220.2-0.497-99
80#200-16078-8117-220.2-0.497-99
100#160-12578-8117-220.2-0.497-99
120#125-10078-8017-220.2-0.496-98
150#100-8078-8017-220.2-0.496-98
180#80-6378-8017-220.2-0.496-98
240#60-5077-8017-220.3-0.596-97
280#50-4077-8017-220.3-0.596-97
320#40-2877-8017-220.3-0.596-97
F360/W4035-2876-7917-210.3-0.695-97
F400/W2828-2076-7917-210.3-0.695-97
F500/W2020-1475-7917-210.4-0.894-96
F600/W1414-1076-7918-220.3-0.794-97
F800/W1010-774-7817-210.4-0.992-94
F1000/W77-574-7817-210.4-0.992-94
F1200/W55-3.575-7818-220.1-0.890-94
F1500/W3.53.5-2.575-7818-220.1-0.890-94
F2000/W2.52.5-1.575-7818-220.1-0.890-94
W1.51.5-0.575-7818-220.1-0.890-94
W0.50.5-075-7818-220.1-0.8

90-94

related application

1. Neutron absorber for nuclear facilities, as reactor control rods and neutron-absorbing shielding

2. Anti-radiation coating for protection walls

3. Polishing sapphire substrate

4. Coating of Wear-resistant electrode

5. Polishing hard alloy such as tungsten carbide as lapping abrasive material

6. wear resistance liner such as bulletproof board and Armor

7. Anti-oxidant in carbon-bonded refractory mixes

8. Wear parts such as blasting nozzles, wire-drawing dies, powdered metal and ceramic forming dies, thread guides.

 

production process

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Packing and delivery

1603932935(1)1

contact

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Zhengzhou haixu abrasives Co.,ltd

Henan-China

ManufacturerTrader

Main Products:

glass beads,fused alumina,silicon carbide

Tel:

Fax:86-

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