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China Steatite Ceramic Thermocouple Insulating Beads For Electrical Insulators

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China Steatite Ceramic Thermocouple Insulating Beads For Electrical Insulators

Large Image : China Steatite Ceramic Thermocouple Insulating Beads For Electrical Insulators

Product Details:

Place of Origin:	China
Brand Name:	GME
Certification:	CE
Model Number:	Mgo rod

Payment & Shipping Terms:

Minimum Order Quantity:	500pcs
Price:	USD$0.002/pc
Packaging Details:	paper carton, wooden carton
Delivery Time:	30days
Payment Terms:	L/C, T/T, Western Union
Supply Ability:	100000pcs per month

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Detailed Product Description

Material:	Magnesium Oxide Ceramic	Color:	White / Ivory
Bores:	Single,two,four Or Multi Bores	Shape:	Round, Square, Rectangular, Oval
Usage:	Works As Refractory Material
Highlight:	Ceramic Thermocouple Insulating Beads , Steatite Ceramic Thermocouple Insulating Beads , Steatite Ceramic Thermocouple Beads

China Steatite Ceramic Thermocouple Insulating Beads for Electrical Insulators

Description:

Applications of Thermocouple Insulator:

Alumina is the best-known advanced ceramic material, is widely used in automotive, petro-chemical, fluid control,material transfer, Industry,electrical and electronic, semiconductor.Sapphire is single-crystal alumina.

Alumina ceramic is the most mature of the engineering ceramics, offering excellent electrical insulation properties together with high hardness and good wear resistance but relatively low strength and fracture toughness.

Steatite is made of mineral talc (3Mgo 4Sio2 H2O) as the main raw material, adding appropriate amounts of clay, BaTi03 and other ingredients, and mixing and grinding, molding and high temperature sintering. Used for insulating parts

The specification of Thermocouple Insulator:

Chemical component:

SIO2: about 60%

MgO:about 31%

AL2O3:about 5%

BaO:about 5%

CaO:about 0.5%

Fe2O3:about 0.2%

Material	Unit	Al2O3-99.%	Al2O3-99%
Items	Unit	Al2O3-99.%	Al2O3-99%
Al2O3	%	99.7	99.3
SiO2	%	<0.1	—
Density	g/cm3	3.95	3.88
Water Absorption	%	0	0.01
Flexural Strength	Mpa	450	350
20°C Leakage rate	Torr/L.sec	<10-11	<10-11
High Temperature Curve	mm	1700°C 0.2mm is allowed	1600°C 0.2mm is allowed
High Temperature Bonding		1700°C Not	1700°C Not
20~1000°C Coefficient of Linear Thermal Expansion	mm.10-6/°C.m	8.6	8.2
Thermal Conductivity	W/m.K	25	25
Breakdown Voltage	KV/mm	20	20
20°C DC Volume Resistivity	Ohm/cm	1014	1014
High Temperature Volume Resistivity	1000°C MΩ	≥0.08	≥0.08
High Temperature Volume Resistivity	1300°C MΩ	≥0.02	≥0.02
1550°C Thermal Shock	—	Did not crack in 6 times cycle at 1550°C	Did not crack in 6 times cycle at 1550°C
Limit of Application	°C	1900	1800
Max Manufacturing Length for Tube	mm	1600	1600

Applications
* Insulating washers or bushings
* Supports for heating elements
* Electrical insulators
* Stand-off insulators
* Lighting insulators (supports, bases, etc.)
* Spacers

Tag:

Contact Person: Mr. Frank

Tel: 15058960276

Fax: 86-27-86653728

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