PBN ceramic part

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Pyrolytic Boron Nitride Crucible Pbn Ceramic Crucible Mbe Crucible

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PBN Pyrolytic Boron Nitride VGF MBE OLE LEC crucible

Pyrolytic Boron Nitride (PBN) Ceramic Plates

Fine Machinability Pbn Coating Pyrolytic Boron Nitride Ceramic Plate Disc Ring Bushing For Heater

PBN is high purity (99.995%) technical ceramic,deposited into free-standing shapes (crucibles) and coatings on graphite using a Chemical Vapor Deposition (CVD) process. Crystal structure of this non-toxic ceramic is such that it exhibits a high degree of thermal anisotropy favorable for crystal growth and other applications.

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Product Details

PRODUCT INTRODUCTION

Pyrolytic boron nitride (PBN) is a special ceramic material, obtained from special equipment by using chemical vapor deposition process. The pyrolytic boron nitride deposition process, like a "snow": hexagonal boron nitride snow sheet parallel to falls, to a piece of graphite base material, and reaches a certain thickness, the final cooling demolding made.

APPLICATIONS

1) Electronic Parts - heat sinks, substrates, coil forms, prototypes

2) Boron doping wafers in silicon semiconductor processing

3) Vacuum melting crucibles

4) High precision sealing, brazing, and metallizing fixtures

5) Microwave tubes

6) Horizonatal caster break rings

7) Low friction seals

8) Plasma arc insulators

9) High temperature furnace fixtures and supports

Item:	Pyrolytic Boron Nitride (PBN) Ceramic Plates
Process Type:	deposition process
Material:	Pyrolytic Boron Nitride (PBN)
Tolerance:	+-1mm
Facility:	Automatic molding equipment
Certificates:	ISO 9001 SGS
Shipping:	Many stocks , delivery time around 5-10days . by sea or by air as customer request
Delivery & Service:	Timely delivery each time. Provide reliable service and responsible for each customer with each product. Our target is to satisfy every customer with the best service.

CHEMICAL COMPOSITION

Item	Unit
Apparent Density	g/cm3	2.15-2.19
Gas permeability(He)	cm3/s	<1*10-10
Micro hardness(Knoop)	N/mm2	691.88(a-b plane)
Tensile strength	N/mm2	153.86(parallel)
Bending strength	N/mm2	243.63(parallel)	197.76(parallel)
Modulus of elasticity	N/mm2	235690
Specific heat capacity	Cal/g.℃	0.371(@ 200℃)	0.442(@ 900℃)
Thermal conductivity 200℃	W/cm.k	0.6(parallel)	0.026(perpendicular)
Thermal conductivity 900℃	W/cm.k	0.4370(parallel)	0.028(perpendicular)
Dielectric Strength(RT)	KV/mm	56
Volume Resistivity	Cm	3.11*1011

MATERIAL INTRODUCTION

High purity and chemical stability

High dielectric strength

Non-porous and low outgassing in ultra-high vacuum (UHV)

Excellent thermal shock resistance

Non toxic

Easily machined

OUR ADVANTAGE

XTL have 7000 square meters work shop

Automatic production line

Longer working life

Reasonable price

All prototype products have to go through 4 checks in the whole process:
1. Raw material inspection
2. In processing inspection
3. Final inspection
4. Outgoing inspection

Basic Information

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Pyrolytic Boron Nitride Crucible Pbn Ceramic Crucible Mbe Crucible

Pyrolytic Boron Nitride Crucible Pbn Ceramic Crucible Mbe CruciblePurity up to 99.99%,dense surface,air tightnessHigh temperature strengthPBN crucible can be used in the manufacture of smelting semiconductors for high temperature containers for metallurgy, semiconductor heat-dissipating insulation parts, high-temperature bearings, thermowells and glass forming dies, etc. It can also be widely used in electronics, metallurgy, chemical, atomic energy and aerospace.
High Pure MAX.99.99% PBN Pyrolytic Boron Nitride Ceramic ring

PBN Coating Pyrolytic Boron Nitride Ceramic1.Purity up to 99.99%,dense surface,air tightness2.High temperature strengthPBN is high purity (99.995%) technical ceramic,deposited into free-standing shapes (crucibles) and coatings on graphite using a Chemical Vapor Deposition (CVD) process. Crystal structure of this non-toxic ceramic is such that it exhibits a high degree of thermal anisotropy favorable for crystal growth and other applications.
Pyrolytic Boron Nitride PBN-PG heating element Heater

At present, conventional insulating materials have disadvantages such as the inability to withstand high temperatures, low purity, gas release at high temperatures, poor toughness, no insulation at high temperatures, and easy corrosion. Pyrolytic Boron Nitride PBN-PG heating element Heater can solve these problems.
PBN Pyrolytic Boron Nitride VGF MBE OLE LEC crucible

PBN ceramic (pyrolytic boron nitride, pyrolytic BN) is a kind of advanced ceramic, can be produced with 99.99% purity by the forming method of chemical vapour deposition (CVD), no need to go through the traditional hot pressing sintering process. PBN ceramic has high purity, chemical inertness, thermal stability, low outgassing, non-wetting characteristics, and long lifetime, it is the ideal material for furnace, electrical, microwave, and semiconductor components.

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They are now widely exporting to 200 countries.