Low Thermal Conductivity Anti-Spalling Refractory Brick-DDR30
| Price: |
Negotiable/Ton |
| Min Order: |
20/Ton |
| Pay Type: |
L/C,T/T |
Product Specifications
| Prod Model: |
DDR30 |
| Refractoriness (',℃): |
1770< Refractoriness< 2000 |
| Feature: |
Long Time Materials |
| Type: |
Refractory Material |
| Shape: |
Brick |
Product Description
Product DescriptionLow 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 attack2.Excellent thermal-shock resistance3.Excellent abrasion resistance4.Low thermal conductivity (230-280ºC)5.Decreasing the kiln shell load, the mechanical stress on the liningApplication zone:
Safety zone, Pre-heating /Calcining zone in rotary kilnPhysical 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 
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.;
