Boron carbide 0.5um for sintering in a high temperature vacuum furnace

Boron carbide 0.5um for sintering in a high temperature vacuum furnace
Boron carbide itself boasts an extremely high melting point up to 2450°C, along with ultra-high hardness and strong anti-oxidation capacity. The 0.5μm fine particle design greatly enhances surface activity and powder fluidity. In a high-temperature vacuum environment, the fine particles can achieve close packing and uniform distribution inside the green body. It effectively lowers the sintering temperature, shortens the holding time and promotes dense crystallization of the material. Compared with conventional coarse boron carbide powder, this ultra-fine grade delivers higher sintering density, fewer internal pores and more stable overall structure after vacuum sintering.

$90,000.00 – $92,000.00 / MT

Description
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Description

Boron carbide 0.5um for sintering in a high temperature vacuum furnace

This 0.5 micron boron carbide powder is a high-purity ultra-fine functional raw material specially developed for sintering processes in high temperature vacuum furnaces. Produced via sophisticated crushing, purification and precision classification technologies, the product features an ultra-fine particle size, narrow particle distribution and excellent activity. With outstanding high-temperature resistance, chemical stability and sintering performance, it has become a core additive and base material for manufacturing advanced vacuum-sintered ceramic components, refractory parts and high-performance composite materials.

PHYSICAL PROPERTIES

Molecular Weight (g/mol.)	Theoretical Density (g/cm³)	Melting Point (°C)	Boiling Point (°C)
55.25515	2.52	2450-2723	3500
Specific Heat (cal-mol-c)	Specific Gravity	Knoop Hardness	Crystallography
12.5	2.51	2750	Mono-crystalline

Boron carbide itself boasts an extremely high melting point up to 2450°C, along with ultra-high hardness and strong anti-oxidation capacity. The 0.5μm fine particle design greatly enhances surface activity and powder fluidity. In a high-temperature vacuum environment, the fine particles can achieve close packing and uniform distribution inside the green body. It effectively lowers the sintering temperature, shortens the holding time and promotes dense crystallization of the material. Compared with conventional coarse boron carbide powder, this ultra-fine grade delivers higher sintering density, fewer internal pores and more stable overall structure after vacuum sintering.

During vacuum sintering, this powder shows remarkable adaptability to extreme working conditions. It will not decompose, volatilize or react under high temperature and vacuum atmosphere, maintaining stable physical and chemical properties all through the whole process. It can significantly improve the finished product’s wear resistance, corrosion resistance, thermal shock resistance and mechanical strength. Widely used for producing high-temperature structural ceramics, wear-resistant nozzles, nuclear shielding materials and special refractory components, it perfectly meets the strict quality requirements of vacuum furnace sintering production.

Our 0.5μm boron carbide powder is strictly controlled in purity and impurity content. Low free carbon and low metal impurities avoid defects such as bubbles, cracks and discoloration during high-temperature vacuum sintering. With consistent particle size and reliable batch stability, it is easy to mix with alumina, silicon carbide and other ceramic raw materials. Cost-effective and easy to use, this professional-grade boron carbide powder is the ideal choice for manufacturers engaged in vacuum sintering of high-end ceramic and refractory products.