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Low Thermal Conductivity Anti-Spalling Refractory Brick-DDR30

$Low Thermal Conductivity Anti-Spalling Refractory Brick-DDR30$

Price:	Negotiable/Ton
Min Order:	20/Ton
Pay Type:	L/C,T/T

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Showroom Product Company Profile

Product Description
Low thermal conductivity Anti-spalling Brick is one high quality refractory brick for Cement Rotary Kilns,made of Synthetic material, Clay.

Characteristics:
1.Outstanding resistance to alkali attack
2.Excellent thermal-shock resistance
3.Excellent abrasion resistance
4.Low thermal conductivity (230-280ºC)
5.Decreasing the kiln shell load, the mechanical stress on the lining

Application zone:
Safety zone, Pre-heating /Calcining zone in rotary kiln

Physical and chemical index

Chemical composition		UNIT	SPEC	typical
Al₂O₃		%	≤35	32 - 34
SiO₂		%		62 - 64
Fe₂O₃		%	≤1.8	1.6

Physical properties		UNIT	SPEC	typical
Bulk Density	BD	g/cm³	≤2.2	2.1-2.2
Apparent Porosity	AP	%		16
Thermal Shock Resistance	TSR - in water at 1100 °C	cycle	≥15	16
Refractoriness Under Load	RUL (ta)	°C	≥1310	1330
Thermal Expansion	TE - at 1000 °C	%		0.6
Cold Crushing Strength	CCS	MPa	≥45	57
Thermal Conductivity	TC - at 700 °C	W/mK	≤1.5	1.5
Alkali Resistance	1100 °C*5h		First grade

Production Control

Application

Package

Prod Model:	DDR30
Refractoriness (',℃):	1770< Refractoriness< 2000
Feature:	Long Time Materials
Type:	Refractory Material
Shape:	Brick

Luzhong Refractories Group

A comprehensive refractory group integrating refractory materials research, thermotechnical kiln refractory designing, production, sales and provide turn-key service. We has an annual capacity of over 200, 000 tons and currently having the following:

1. National research institute: National and Local Joint Refractory Engineering Research Centre;

2. Refractory base: Zibo Luzhong Refractories Co., Ltd., Xinjiang Tianshan Mountains Refractories Co., Ltd.;

3. Special industrial ceramic base: Shandong Shengchuan Ceramics Co., Ltd., Ningxia Shengchuan New Material Co., Ltd.

4. New materials base: Shandong Shengchuan New Material Science and Technology Inc.

5. Raw material base: Yangquan Luzhong Refractories Co., Ltd., Zibo Langfeng High Temperature Material Co., Ltd.;