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Product profile
Customization
AvailableType
Smart GlassStructure
HollowMoh's Hardness
10Shape
BulkFunction
Optical Function, Electromagnetic Function, Thermal Function, Mechanics and Mechanical Function, Biological and Chemical FunctionTransparency
TransparentProcessing Method
DopingPreparation Process
Fusion MethodColor
ClearUsage
Furniture, Door, Building, WindowApplication
Electronics & InstrumentsMaterial
Sealing Glass Rods for Fused SilicaShape Type
Solid RodCustomizable Size
YesWorking Temperature
-60°C ~ 450°CSealing Vacuum Degree
≤1×10(-5) PA(High Vacuum Tightness)Key Feature
Hermetic Glass-to-Metal Sealing, Vacuum Leak-ProofThermal Property
Low Thermal Stress, Thermal Shock ResistantInsulation Grade
High Electrical InsulationPrimary Use
Vacuum Electronics, Cryogenic Device, SemiconducMOQ
5000PCSLead Time
20 DaysDielectric Strength
≥22 Kv/mmThermal Expansion
4.4~4.8× 10(-6) K (Matched with Kovar)Matching Alloy
Kovar 4j29 (ASTM F15 Fe-Ni-Co)Payment
T/T,L/CTrademark
HONHAIOrigin
ChinaKey features
Hermetic Kovar Sealing: Perfect thermal expansion match with Kovar 4J29 for 100% leak-tight vacuum seals.
Customizable Dimensions: Available in OD 2-60mm with custom length, wall thickness, and end processing.
Thermal Shock Resistance: Withstands repeated high-temperature cycles without cracking or deformation.
High Electrical Insulation: Superior insulation grade suitable for electronic feedthroughs and vacuum devices.
Chemical Stability: Resistant to moisture, oxidation, and weak acids for long service life.
Precision Machining: Strict tolerance control with flat grinding and chamfered edge options.
Low Thermal Stress: Minimizes residual stress during sealing and cooling to prevent failure.
Fast Lead Time: Standard production lead time of 20 days for bulk orders.
Company profile
Business Type: Manufacturer/Factory, Group CorporationExport Year: 1994-08-04Nearest Port: Qingdao, Shanghai, Xingang, TianjinAverage Response Time: ≤15hTerms of Payment: LC, T/T, PayPal, etc.International Commercial Terms(Incoterms): FOB, CFR, CIF, EXW
About Our Factory & Business Background
AddressRoom331, Shengkai Fortune Plaza No. 29 Luoyuan Street, Jinan, Shandong, China
Average Lead TimePeak Season Lead Time: one month Off Season Lead Time: within 15 workdays
Our Production Capability & Technical Expertise
Main ProductsBorosilicate Glass Tube Tubing Rod, Glass Ceramic Pyroceram Ceran Neoceram, Lamp Lantern Lighting Glass Chimney Cover Shade, Neutral Pharmaceutical Glass Vial & Ampoule, Borofloat Borosilicate Glass Sheet Corning Pyrex, Heat Resistant Glass Baking Dish Casserole Bowl, Glass Cosmetic Container Perfume Glass, Glass Tableware Kitchenware Tabletop, Soda Lime Glass Tube Tubing Rod, Lead Free Glass Tube Tubing
Our Industry Experience & Global Business Record
Main MarketsNorth America, South America, Eastern Europe, Southeast Asia, Oceania, Mid East, Eastern Asia, Western Europe
Product Q&A
Q:What alloy does this glass tube match?
A:
It is specifically designed to match Kovar 4J29 (Fe-Ni-Co) alloy with a perfectly tuned thermal expansion coefficient.
Q:What is the available size range?
A:
The outer diameter (OD) ranges from 2mm to 60mm, with customizable inner diameter, wall thickness, and cutting length.
Q:Can I order a small batch for testing?
A:
Yes, we support small batch trial orders, OEM services, and mass production supply.
Q:What is the minimum order quantity?
A:
The minimum order quantity (MOQ) is 5000 pieces.
Q:What are the main applications for this tubing?
A:
It is widely used in vacuum electronics, semiconductor packaging, cryogenic devices, aerospace sensors, and medical electronics.
Send Inquiry
*To:Jinan Honhai Glass Company Limited
Jinan Honhai Glass Company Limited*Content:
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