High Temperature Resistant Alumina Hollow Ball Bricks For Glass Melting Furnace And Heat Treatment Furnace

Name: High Temperature Resistant Alumina Hollow Ball Bricks For Glass Melting Furnace And Heat Treatment Furnace
Brand: Zhengzhou Rongsheng Refractory Co., Ltd.
Price: 15,000.00 USD
Availability: InStock

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High Temperature Resistant Alumina Hollow Ball Bricks For Glass Melting Furnace And Heat Treatment Furnace

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Product Details:

Place of Origin:	Henan, China
Brand Name:	RONGSHENG
Certification:	ISO9001

Payment & Shipping Terms:

Minimum Order Quantity:	1 Ton

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High Temperature Resistant Alumina Hollow Ball Bricks For Glass Melting Furnace And Heat Treatment Furnace

Description

Type:	Porosity Type Insulating Brick	Cao Content:	1-2%
Cold Crushing Strength:	≥90MPa	Maximum Service Temp:	1500
Compressive Strength:	≥30MPa	Chemicalresistance:	High Resistance To Acidic And Basic Slags
Dry Bulk Density:	≥1.4g/cm3	Apparent Porosity:	≤20%
Cold Crushing Mpa:	350	Calcium Oxide Content:	≤15%
Raw Material:	Petroleum Coke Need Le Coke Coal Pitch	Thermal Conductivity:	≤1.5W/m·K
Porosity:	10% - 25%	Iron Content:	≤2.5%
Manufacturingprocess:	Pressed, Fired, And Sometimes Machined
Highlight:	high temperature resistant alumina hollow ball bricks , alumina hollow ball bricks for glass melting furnace , heat treatment furnace refractory bricks

Alumina Bubble Brick Introduce

Alumina bubble bricks are made of alumina hollow balls and alumina powder as the main raw materials, combined with other binding agents, and fired at a high temperature of 1750 degrees.It is a kind of ultra-high temperature energy-saving insulation material.Alumina hollow ball bricks have a maximum service temperature of 1800°C and have the advantages of high mechanical strength and low volume density.

Product name	Alumina bubble brick
Operating temperature	1750 degrees
Main raw materials	Alumina hollow ball material
Properties	ultra-high temperature, energy saving, thermal insulation
Features	Save materials, save energy

High Temperature Resistant Alumina Hollow Ball Bricks For Glass Melting Furnace And Heat Treatment Furnace

Application

Application of Alumina Bubble Brick

Alumina bubble brick can be used in high-temperature energy-saving (>30%) inverted flame kilns, shuttle kilns, molybdenum wire furnaces, tungsten rod furnaces, induction furnaces, nitriding furnaces, etc. It will achieve obvious results in reducing the weight of the furnace body, transforming the structure, saving materials and saving energy.

High Temperature Resistant Alumina Hollow Ball Bricks For Glass Melting Furnace And Heat Treatment Furnace

Specification

Alumina Bubble Brick Technical Data

Item/Index	Alumina Bubble Ball	Zirconia Bubble Ball	Sialon Binding Al2O3 Bubble Bricks
Item/Index	LKZ-88	LKZ-98	ZKZ-98	—
Maximum Service Temperature ℃	1650	1800	2000~ 2200	1600
Al2O3 % ≥	88	99	–	70
ZrO2 % ≥	–	–	9.8	–
SiO2 % ≤	–	0.2	0.2	–
Fe2O3 % ≤	0.3	0.15	0.2	N≥5
Bulk Density g/cm	1.30~1.45	1.40~1.65	≤ 3.0	≤ 1.5
Cold Crushing Strength MPa ≥	10	9	8	15
Refractoriness Under Load ℃ (0.2MPa,0.6%) ≥	1650	1700	1700	1700
Reheating Linear Change Rate % 1600℃×3hrs	±0.3	±0.3	±0.2	–
Thermal Expansivity ×10 (indoor temperature, ~1300℃)	~8.0	~8.6	–	thermal shock resistance, times (1100℃water cold)≥15
Thermal Conductivity W/(m.K) ≤ (average temperature 800℃)	0.9	1.0	0.5	1.1

High Temperature Resistant Alumina Hollow Ball Bricks For Glass Melting Furnace And Heat Treatment Furnace

Our Services

Rongsheng Refractory has professional sales and after-sale service team who provide customers all-around service about product application, construction installation and operation technology training etc.

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Contact Person: Mr. Pika

Tel: 86-13838387996

Fax: 86-0371-56010932