PBN1344 Pyrolytic Boron Nitride Strip (PBN Strip)

Catalog No. PBN1344
Size Thikness: 0.5mm~4mm
Material Pyrolytic Boron Nitride (PBN)
Purity 99.99%
Shape Strip

Stanford Advanced Materials (SAM) can provide pyrolytic boron nitride strips in various sizes. Our PBN strips are in stock to make smaller strips or other machined products.

Other boron nitride products: Boron Nitride Rod (BN Rod), Pyrolytic Boron Nitride (PBN) Crucibles, Boron Nitride Plates / Discs, etc.

Description Pyrolytic Boron Nitride

Pyrolytic boron nitride (PBN) has raw materials with much higher purity level than normal boron nitride ceramic. It is a high purity material with no porosity which could be deposit on all kinds of graphite shapes by chemical vapor deposition (CVD). Although pyrolytic boron nitride could be deposited on various materials, it is usually used on graphite only, since the temperature of this CVD process is extremely high and the atmosphere is corrosive. PBN coated graphite materials significantly enhanced the performance of the surface. Better purity, lower porosity, and roughness. PBN material could also stand high temperature (2500`C). As the coated products have great performance in high vacuum and high-temperature circumstance, they are ideal for applications in the semiconductor industry.

 

Specification of Pyrolytic Boron Nitride

Item

value

Unit

lattice constant

a:2.504×10-10 ;
c:6.692×10-10

μm

density

2.0-2.19

g/cm3

resistivity

3.11×1011

Ω·cm

tensile strength (ab)

153.86

N/mm2

bend strength

c

243.63

N/mm2

ab

197.76

N/mm2

elastic modulus

235690

N/mm2

thermo conductivity

(200°С)

"a" direction:60;
"c" direction:2.60

W/m·k

(900°С)

"a" direction:43.70;
"c" direction:2.80

W/m·k

dielectric strength (at room temperature)

56

KV/mm

 

Applications of Pyrolytic Boron Nitride

– Crucibles for crystal growth
– Break rings for horizontal casting machine
– Insulators for high-temperature furnace
– Electric insulators in vacuum system
– Feedthrough for high voltage equipment

 

Packing Pyrolytic Boron Nitride

Our PBN strip is always carefully handled to prevent damage during storage and transportation and to preserve the quality of our product in its original condition.

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