Factory Price Heat Resistance Boron Nitride Ceramic Nozzle Tube

• Customization: Available
• Density: 2.00-3.25 g/cm3
• Color: White
• Young Modulus: 675gpa
• Hardness: 25-205knoop(Kg/mm2)
• Compressive Strength: 100-500MPa
• Refractoriness (℃): 1770< Refractoriness< 2000
• Feature: Long Time Materials, Instant Materials
• Type: Refractory Material
• Shape: Brick
• Material: Boron Nitride
• Transport Package: Wooden Box
• Specification: 0.3
• Trademark: RY
• Origin: China
• HS Code: 854710000
• Production Capacity: 50000000

Product Description

Good Thermal Conductivity Pyrolytic Boron Nitride/Pbn Crucible
Quick Details
Place of Origin:Hunan, China (Mainland)
Type:Ceramic Parts
Application:Industrial Ceramic
Apparent Density(g/cm3):2.15-2.19Gas 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)
Modulus of elasticity(N/mm2):235690
Volume Resistivity(cm):3.11*1011
Dielectric Strength(RT):56
Feature:boron nitride crucible

Packaging & Delivery
Packaging Details:
1. wooden case with foam; 
2. carton box with foam;
Delivery Detail:10 working days after payment confirmed

TECHNICAL PROPERTIES

Type		99BN	CBN	ABN	ZBN
Main Content		BN>99%	BN>98.5%	BN+AlN	BN+ZrO2
Binder		B2O3	CaB2O6	ALBO3	B2O3
Density    (g/cm3)		1.95-2.0	2.0-2.1	2.6	2.95
Flexural Strength    (Mpa)		30	100	200	200
Compressive Strength    (Mpa)		100	280	350	380
Electrical Resistivity    (ohm.cm)		>10^14	>10^13	>10^14	>10^12
Max. Working Temp.    (°C)	air	900	900	900	1000
	inert gas	2400	2400	2100	1800
	vacuum	2200	2200	1900	1800
Thermal Conductivity    (W/m.K)		20	35	50	30
Expansion Coefficient  25 - 1000 °C (10^-6/K)		1.5	2	4.5	2.5

 

Typical Applications
High temperature furnace parts(insulator bushings)		X	X	X
Metal evaporation crucible		X	X
Molten material casting, metal and glass process		X	X	X	X
Rare metal or special alloy casting mould parts		X	X	X	X
High temperature stressed parts				X	X
Molten metal pipe, nozzles etc.			X	X	X

TYPICAL APPLICATIONS

- Break rings for horizontal steel casting	- Feedthroughs for high voltage equipment
- Evaporator boats for aluminum metallization	- Nozzles for nonferroud metals
- Components for semiconductor manufacturing	- Crucibles for crystal growth
- Neutron absorbers	- Diffusion source wafers
- Boron dopant for silicon wafer	- Insulators in PVD / CVD vacuum coating chamber
- Electronic component assembling jigs	- Electronic components & substrates
- Spacers for glass melts and nonferrous	......

What can we do for you?

1. Sample is available.

2. Independent R&D, ISO manufacture, precise quality standards, modern logistics management, and sound marketing strategy.

3. Inquiry replied within 24 hours.

4. Patented products.

5. OEM or ODM is available.

6. Some extra accessories can be supplied.

7.The larger quantity you order,the more competitive prices you'll get.

8. Necessary Certificates can be supplied.

Why To Choose Us

1. Low MOQ:

   It won't occupy too much of your money to help you to test the market you're going to enter.

2. R & D Center and Factory:

   We have our own R & D center and factory, so we can supply you products at competitive price.

3. Good Service :

   We treat clients as friends.

4. Good Quality : 

   We import top quality accessories to manufacture our products, we have confident we can offer you the best quality.  

5. After-sales service: 

   One year's guarantee. Wearing accessories comes with the products to help you to reduce the repair bill.