Glazing Alumina Single and Dual-Lead Seals Offer Vacuum Tight Insulation for Heating Elements and Power Cables

• Application: Aerospace, Electronics, Medical, High Temperature/ High Vacuum Welding
• Material Composition: Alumina, Al2O3
• Speciality: High Insulation
• Type: Ceramic Parts
• Treatment: Glazed, Polishing
• Color: White+Metal
• Coating Thickness: 8-30μm
• Plated Layer: Nickel/Copper/Gold
• Processing Service: Welding, Moulding
• Plating Thickness: 2-9μm
• Max. Use Temperature: 1600ºC
• Transport Package: Carton Packing
• Specification: Customized
• Trademark: INNOVACERA
• Origin: Fujian, China

Product Description

 

Product Description

Single & Dual-Lead Seals offer vacuum-tight insulation for heating elements and power cables, safeguarding them from potential damage by oils, grease, moisture, and ensuring long-lasting performance.

 

Materials: >95-99% Al2O3 (white or pink) >Thread Stub-Monel, Steel, Inconel or Nickel

>Tube-Nickel >Cap-Nickel >Weld Sheath - Nickel >More optionals for Sleeve Adaptors suitable >for wedding (stainless steel or alternative materials)

 

Characteristics:
* Rugged End Seal Construction withstands normal torch assembly and retains hermeticity in spite of extreme operating
temperatures, vibration, shock, and corrosive atmospheres
* Assembled to heater by torch or induction brazing. the most common braze material for customer
* Shipments from stock or quick deliveries from production (in house components)

 

Detailed Photos

 

 

 

Typical Applications

* Industrial Heaters
* Terminating Power Cables
* Isolating Other High Heat or Power Sources

 

Alumina Ceramic Property
Property		Unit	92% Alumina Ceramic	95% Alumina Ceramic	99% Alumina Ceramic
Density		g/cm3	≥3.63	≥3.68	≥3.83
Water absorption		%	O	O	O
Sintering temperature		°C	1500-1700	1600-1800	1700-1800
Hardness		HV	≥1400	≥1500	≥1650
Flexural strength		Kgf/cm2	3000	3000	3000
Compressive strength		Kgf/cm2	24000	25000	26000
Fracture toughness		Map.m3/2	3~4	3~4	4~5
Maximum temperature		°C	1600	1700	1800
Coefficient of thermal expansion		/°C	8*10-6	8*10-6	8*10-6
Heat shock		T(°C)	220	220	220
Thermal conductivity		W/m.k(25-300°C)	25 14	25 14	25 14
	20°C		>1012	>1012	>1012

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