High Pure 95% Al2O3 Ceramic Disk for Heating Support

• Refractoriness (℃): 1580< Refractoriness< 1770
• Feature: Long Time Materials
• Type: Refractory Material
• Shape: Block
• Material: Steatite
• Color: White Pink,Grey
• Model NO.: GT-318
• Type of Bead: Dome Bead,Flat Bead,Fish Spine
• Appreance: Top Groove,Bottom Groove,No Groove
• Property: Thermal Expansion Coefficient, Excellent Electrica
• Transport Package: Plywood Case or Carton
• Specification: Rohs
• Trademark: shangtao
• Origin: Shanghai, China
• HS Code: 8547100000
• Production Capacity: 50000000 PCS Per Year

Product Description

Gongtao can supply and custom made the ceramic products according to customer's drawings, samples and performance requirement.

Property of material:

Material	85 Al2o3	90 Al2o3	95 Al2o3	99 Al2o3
Al2o3	85%	90%	93%	99.30%
Fe2o3	≤ 1.0	≤ 0.5	≤ 0.5	≤ 0.3
Desnsity: g / cm3	3.4	3.5	3.6	3.85
Vickers Hardness	≥ 8.6	≥ 8.8	9	9
Water Absorption:%	≤ 0.2	≤ 0.1	≤ 0.085	≤ 0.01
Refractoriness:°C	1580 °C	1600 °C	1650 °C	1800°C
Flexural Strength:Mpa	180	200	240	280
Wear Rate( at room temperature,  erosion, 100 grinding)%	≤ 3	≤ 2.5	≤ 1	≤ 0.5