Mullite Castable Hn-20

• Customization: Available
• Feature: Long Time Materials
• Refractoriness (℃): 1580< Refractoriness< 1770
• Model NO.: HN-20
• Origin: China

Product Description

Mullite castable HN-20 is one of the unshaped refractory materials.It is made of refractory aggregate, refractory powder,binders and other additives.It is one of the new type refractory material and don't need calcination.

Construction way: casting+vibration moulding
 
Max. Service Temperature: 1550ºC
 
Characteristics:
1. High density, low porosity.
2. Good abrasion resistance
3. Good thermal shock resistance
4. Easy application.
5.Long service life

Application: Kiln hood, Cooler

Physical and chemical indexes:

Chemical Composition		UNIT	SPEC
Al2O3		%	≥60
Al2O3+ SiO2		%	≥90
Physical & Thermal Properties		UNIT	SPEC
Bulk Density	after drying at 110ºC/24h	g/cm3	≥2.5
Cold Crushing Strength	after drying at 110ºC/24h	MPa	≥100
	after heating at 1100ºC/3h	MPa	≥110
Rupture Strength	after drying at 110ºC/24h	MPa	≥10
	after heating at 1100ºC/3h	MPa	≥11
Permanent Linear Change	after heating at 1100ºC/3h	%	-0.3

 
Company Introduction
Luzhong Refractories
A comprehensive refractory service company integrating refractory research, raw material processing, thermotechnical kiln refractory designing, production, sales and service with an annual capacity of over 300,000 tons and currently having the following:National research institute: National and Local Joint Refractory Engineering Research Centre;Refractory base: Zibo Luzhong Refractories Co., Ltd., Xinjiang Tianshan Mountains Refractories Co., Ltd.;Special industrial ceramic base: Shandong Shengchuan Ceramics Co., Ltd., Ningxia Shengchuan New Material Co., Ltd.New materials base: Shandong Shengchuan New Material Science and Technology Inc.Raw material base: Yangquan Luzhong Refractories Co., Ltd., Zibo Langfeng High Temperature Material Co., Ltd.;