Gold Member Since 2014
Audited Supplier
Shanghai Gongtao Ceramics Co., Ltd.

Macor Ceramic Ring, Machinable Ceramic Bush, Macor Bush manufacturer / supplier in China, offering Macor Ring, Infrared Lamp Tube for Sauna Heater, Sauna Tube Heater and so on.

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Macor Ring

FOB Price: US $10 / Piece
Min. Order: 2 Pieces
Min. Order FOB Price
2 Pieces US $10/ Piece
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Port: Shanghai, China
Production Capacity: 500000 PCS Per Year
Payment Terms: T/T, Western Union, Money Gram

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Basic Info
  • Model NO.: GT-292
  • Feature: Long Time Materials
  • Shape: Rod
  • Looks: Rod ,Block,Plate,Slot
  • Color: Pure White
  • Trademark: shangtao
  • Specification: Rohs
  • HS Code: 8547100000
  • Refractoriness (℃): 1580< Refractoriness< 1770
  • Type: Refractory Material
  • Material: Macor Rod
  • Working Temperature: 800c
  • Property: Good Vacuum, High and Low Temperature Resistance
  • Transport Package: Plywood Case
  • Origin: Shanghai, China
Product Description
Macor Ring
Gongtao company specializes in the production and research of machinable ceramic .The main products:Machinable ceramics and tools, with good machining performance, good vacuum, high and low temperature resistance, insulation and acid-corrosion ect properties.It can be widely used in aviation, aerospace, electronics substrates, high temperature insulation skeleton, ion plating, vacuum coating, plasma display mirror,ion accelerators, lasers, and medical devices.

Our machinable ceramic has good machining performance, and can be turning, milling, grinding, drilling, drilling and tapping and other machining by ordinary machine tools and cutting tools.The machining accuracy can reach up to 5μm, finish high up 0.5μ. It has a good vacuum, high and low temperature resistance, insulation and acid and alkali corrosion resistance ect properties.

Thermal shock resistance of machinable ceramic is very good, quenching from 800 °C to 0 °C,no broken, from 200 °C to 0 °C ,the intensity does not change.
The main advantage:
-It can be turned,milled,grinded,drilled and tapped and other machining.
-Precision machining dimensions.

Standard valueRemarks
Water absorption0.038 
Colorpure white 
Thermal expansion coefficient86×10 -7 /°C100°C ~600°C average value
Thermal conductivity  1.68W/m.k25°C
Working temperature800°C 
Bending Strength108MPa 
Compress strength488 MPa 
Impact Toughness>2.56KJ/ m 2 
Modulus of elasticity65GPa 
Insertion loss1~ 4×10 -3Room temperature
Dielectric constant6-7"
Dielectric strength>40KV/mmThickness of sample 1mm
Bulk density1.08×10 14 Ω.cm25°C
1.5×10 10200°C
1.1×10 7500°C
Gas efficiency at normal temperature8.8×10 -9 ml/s. cm 2Vacuum experienced for eight hours
Helium permeating rate 1×10 -10 ml/sAfter 500C burning,cool to room temperature.
5%HC10.26mg/ cm 295°C,24 hours
5%HF83mg/ cm 2"
50%Na2CO30.012 mg/ cm 2"
5%NaOH0.85mg/ cm 2"
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