Ceramic Bead Heating Element Insulator Steatite Ceramic Beads with Hole

• Refractoriness (℃): Refractoriness> 2000
• Feature: Long Time Materials
• Type: Heat-Resistant Material
• Shape: Rod
• Material: Alumina
• Size: Diameter 3.4,5.6,7,to 200mm
• Model NO.: GT-261
• Color: White ,Pink,Cream
• Purpose: Insulation,High Temperature Resistance,Stirrer
• Finish: Bore,Polish
• Purity: 99.8%,99.5%,99%,85%,75% Alumina
• Transport Package: Plywood Case
• Specification: Rohs
• Trademark: shangtao
• Origin: Shanghai, China
• HS Code: 8547100000
• Production Capacity: 500000 PCS Per Year

Product Description

These items have wear-resistance, shock resistance, and convenient construction ect. They are wear-resisting and ideal material for material transportation equipment in industry such as petroleum, mine, steelworks, electric plant. And they can prolong the using cycle of equipment effectively.

Gongtao company can make special various wear-resistance parts based on the requirement and drawing.

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