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B4-5001-M

B4C 1-3mm Pieces 99.9% Pure

Boron Carbide

B4-5002-M

B4C Pieces 3-6mm 99.5% Pure

Boron Carbide

$0.99/GR
100 GR in stock
Select Qty
B4-5005-M

B2O3 12mm Pieces & smaller 99.9995%

Boron Oxide

B4-5006-M

B Pieces 1-3mm 99.9999% Pure

Boron

B4-5007-M

B2O3 3-10mm Pieces 99.99% Pure

Boron Oxide

B4-5008-M

B 5-30mm (crystalline) Pieces 99.9% Pure

Boron

B4-5009-M

B Pieces 1-3mm 99.9% Pure

Boron

B4-5011-M

B 3-6mm Pieces 99.9% Pure

Boron

B4-10002-P

B2O3 -80 mesh 99.% Pure

Boron Oxide

B4-10005-P

B4C -60 mesh 99.5%

Boron Carbide

B4-10006-P

B4C -325 mesh (typ. =25 microns) 99.5% Pure

Boron carbide

B4-10007-P

B4C 5 microns average or less 99.5% Pure

Boron Carbide

B4-10009-P

BN -80 mesh(hexagonal form) 97.5% Pure

Boron Nitride

B4-10010-P

B2O3 -40 mesh 99.9% Pure

Boron Oxide

B4-10011-P

B2O -200 mesh 99.9% Pure

Boron Oxide

B4-10014-P

B2S3 -200 mesh 99.9% Pure

Boron Sulphide

B4-10015-P

B2O3 ~5 microns 99.9% Pure

Boron Oxide

B4-10016-P

BN Avg. 2.453 micron (hexagonal form) 99.5% Pure

Boron Nitride

B4-10017-P

BN Avg. 4-6 micron (hexagonal form) 99.5% Pure

Boron Nitride

B4-10020-P

B4C 1-7 microns 99.7% Pure

Boron Carbide

B4-10021-P

BN 2-3 microns 99.9% Pure

Boron Nitride

B4-2000-R1

B4C Rod 6mm dia. x 100mm long 99.9% Pure

Boron carbide

B4-2001-R1

B4C Rod 10mm dia. x 100mm long 99.9% Pure

Boron carbide

B4-9000-D

Boron B, Available purities 99.9% & 99.99%

B4-9001-D

Boron Carbide B4C,

Available purities 99.5% & 99.9%

B4-9001-Dx

Boron Carbide-Carbon B4C/C 5 at%,

Available purity 99.5%

B4-9002-D

Boron nitride BN, Available purity 99.5%

More Info
B4-9005-D

Boron-Zinc B-Zn,

Available in various ratios wt% or at%, Purity 99.9%

B4-9006-D

Boron oxide B2O3,

Available purity 99.9%

B4-9007-D

Boron Titanate BTiO3,

Available purity 99.9%

B-ST-1-3-3N
B TRG 25.4mm dia. x 3mm Tk 99.9% PureBoron
$79.20/PCS
1 PCS in stock
Select Qty
B-ST-1-6-3N

B TRG 25.4mm dia. x 6mm Tk 99.9% Pure

Boron

$105.60/PCS
1 PCS in stock
Select Qty
B-ST-2-3-4N

B TRG 50.8mm dia. x 3mm Tk 99.99% Pure

Boron

$343.20/PCS
2 PCS in stock
Select Qty
B4-9000-D1-B

B TRG 76.2mm dia. x 3mm Tk 99.9% Pure

Bonded to 76.2mm x 3mm Tk Cu Backing Plate

Boron

More Info
$706.20/PCS
0 PCS in stock
Select Qty
B4-9000-D4

B TRG 50.8mm dia. x 6.35mm Tk 99.99% Pure

Boron

B4-9000-D8

B TRG 15mm dia. x 1.5mm Tk 99.9% Pure

Boron

B4-9001-D13

B4C TRG 76.2mm dia. x 4mm Tk 99.5% Pure

Boron Carbide

B4-9001-D14

B4C TRG 101.6mm dia. x 6mm Tk 99.5% Pure

Boron Carbide

B4-9001-D15

B4C TRG 25.4mm dia. x 3mm Tk 99.5% Pure

Boron Carbide

B4-9001-D16

B4C TRG 50.8mm dia. x 3mm Tk 99.5% Pure

Boron carbide

B4-9001-D20

B4C TRG 76.2mm dia. x 6.35mm Tk 99.5% Pure

Boron carbide

B4-9001-D3

B4C TRG 101.6mm dia. x 6.35mm Tk 99.5% Pure

Boron Carbide

B4-9002-D1

BN TRG 25.4mm dia. x 6.35mm Tk 99.5% Pure

Boron nitride

B4-9002-D10

BN TRG 50.8mm dia. x 2mm Tk 99.5% Pure

Boron nitride

B4-9002-D13

BN TRG 50.8mm dia. x 3mm Tk 99.9% Pure

Boron nitride

B4-9002-D14

BN TRG 76.2mm dia. x 6.35mm Tk 99.5% Pure

Boron nitride

B4-9002-D2

BN TRG 76.2mm dia. x 3mm Tk 99.5% Pure

Boron Nitride

B4-9002-D3

BN TRG 101.6mm dia. x 6.35mm Tk 99.5% Pure

Boron nitride

B4-9006-D1

B2O3 TRG 50.8mm dia. x 6.35mm Tk 99.9% Pure

Boron oxide

Overview

Boron (chemical symbol B) is a metalloid element that is essential for various industrial and scientific applications. It is found in nature primarily in the form of borates, such as borax and kernite, and is commonly used in compounds rather than in its pure elemental form. Boron plays a crucial role in materials science, agriculture, and chemistry, making it a versatile element with a broad range of uses.

Properties

Boron has several distinctive properties that influence its applications. It has an atomic number of 5 and an atomic mass of 10.81 u. Boron is a hard, brittle solid with a high melting point of 2,550 °C and a boiling point of 4,000 °C. It is a poor conductor of electricity and heat in its elemental form but exhibits significant conductivity when combined with other materials. Boron also has a high neutron absorption capacity, which makes it valuable in nuclear applications. It exists in various allotropes, including a black, crystalline form and a more amorphous, glassy form.

Applications and Uses

Boron is used in a wide range of industrial and scientific applications. In the field of materials science, boron is essential for the production of high-strength, lightweight materials. Boron fibers and boron carbide are used in advanced composites for aerospace, military, and automotive applications due to their exceptional hardness and durability. In the ceramics industry, boron compounds improve the thermal and chemical stability of materials.

In agriculture, boron is used as a micronutrient in fertilisers to promote plant growth and improve crop yields. It is essential for the formation of cell walls in plants and helps in the development of strong, healthy crops. In the chemical industry, boron compounds such as boric acid and borates are used as antiseptics, flame retardants, and in the production of glass and ceramics. Additionally, boron is employed in nuclear reactors as a neutron absorber, helping to control the fission process and manage nuclear reactions.

Safety and Handling

Boron is generally considered to be of low toxicity, but certain compounds can be irritating to the skin, eyes, and respiratory system. Proper safety measures should be followed when handling boron and its compounds to avoid exposure and ensure safe usage.

Summary

Boron is a versatile metalloid with applications spanning materials science, agriculture, and chemistry. Its properties, such as high melting point and neutron absorption capacity, make it valuable for producing advanced materials and improving crop yields. Testbourne offers a range of high-quality boron products, providing reliable materials for scientific and industrial applications.

Symbol B
Atomic number 5
No. of naturally occurring isotopes 2
Atomic weight 10.81
Electronic configuration [He] 2s22p1
Ionization energy/kJmol -1 800.5
II 2426.5
III 3658.7
DenSity/gcm-3 (β rhombohedral) 2.35
(α rhombohedral) 2.45
Melting point /°C (β rhombohedral) 2180
Boiling point /°C (β rhombohedral) ~3650
ΔHsub/kJmol-1 570
Electronegativity χ 2
Electrical conductivity
(25°C)/ohm-1 cm-1 l.5x 10-6
Temperature (oC) @Vap. Pressure
10-8 Torr 1278 Sublimes
10-6 Torr 1548 Sublimes
10-4 Torr 1797 Sublimes
Techniques
Electron Beam Excellent
Crucible Graphite & Vitreous Graphite
Coil -
Boat Graphite
Remarks
Material explodes with rapid cooling. Forms carbide with container.